Preservation for a Period of 30 to 365 Days [CFMB]
TASK 72-00-00-600-007-A
Preservation for a Period of 30 to 365 Days
The preservation procedures are applied at the end of engine operation, before the engine goes back to the shop, and when the engine does not operate for a period of 30 to 365 days.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 72-00-00-860-135-A ** ON A/C NOT FOR ALL
Subtask 72-00-00-620-059-A ** ON A/C NOT FOR ALL
Subtask 72-00-00-862-061-A ** ON A/C NOT FOR ALL Subtask 72-00-00-865-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:40:33 UTC
Preservation for a Period of 30 to 365 Days
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
1. Reason for the JobThe preservation procedures are applied at the end of engine operation, before the engine goes back to the shop, and when the engine does not operate for a period of 30 to 365 days.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | CART - PRESSURIZING, OIL |
| No specific | AR | CONTAINER 100 L(25 USGAL) |
| No specific | AR | CONTAINER 20L (5 USGAL) |
| No specific | AR | PLIERS - NOSE, SOFT, LONG |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | Torque wrench: range to between 55 and 45 lbf.in (0.62 and 0.51 m.daN ) ![]() | |
| No specific | Torque wrench: range to between 90 and 81 lbf.in (1.02 and 0.92 m.daN ) ![]() | |
| No specific | Torque wrench: range to between 110 and 90 lbf.in (1.24 and 1.02 m.daN ) ![]() | |
| No specific | Torque wrench: range to between 200 and 180 lbf.in (2.26 and 2.03 m.daN ) ![]() | |
| 856A1480 | 1 | FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL |
| 856A1717P01 | 1 | PRESERVATION TOOL KIT |
| 856A2930 | AR | COVER FITTED BARE QEC ENGINE SHIPPING |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2098) | desicant bags with humidity indicator |
| (Material No.CP2160) | vapor barrier film |
| (Material No.CP2442) | engine oil |
| (Material No.CP5066) | fuel system preventative |
| (Material No.CP5067) | lubrication system corrosion preventive oil |
| (Material No.CP5075) | corrosion protective additive |
| (Material No.CP8001) | safety cable 0.032 in. (0.8 mm) dia. |
| (Material No.CP8002) | safety cable 0.032 in. (0.8 mm) dia. |
| (Material No.CP8006) | safety cable 0.032 in. (0.8 mm) dia. |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 70 | PACKING | AIPC 73-11-10-01-160 |
| 60 | PACKING | AIPC 73-11-10-01-165 |
| 90 | PACKING | AIPC 73-11-10-01-290 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-13-79-610-002-A | Check oil level and replenish Check Pop Out Indicator of EMCD (Electrical Master Chip Detector) |
| TASK 12-13-79-610-002-A-01 | Check oil level and replenish (Pressure Filling) |
| TASK 12-13-79-610-003-C | Oil Tank Draining |
| TASK 12-13-79-610-004-C | Draining of the Accessory Drive Section |
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 31-60-00-860-001-A | EIS Start Procedure |
| TASK 70-21-00-918-002-A | Seals (Preformed Packings and O-rings) and Gaskets |
| TASK 70-22-00-911-002-A | Locking Procedures |
| TASK 71-00-00-710-001-B | Dry Motoring Check |
| TASK 71-00-00-710-002-B | Wet Motoring Check |
| TASK 72-00-00-600-811-A | Desiccant Bags Inspection Procedure |
| TASK 73-11-10-000-004-A | Removal of the Fuel Filter Element |
| TASK 73-11-10-400-004-A | Installation of the Fuel Filter Element |
| TASK 75-31-20-820-001-A | Set the Variable Bleed Valve Assembly to the Closed position |
| TASK 78-31-00-710-042-A | Operational Test of the Thrust Reverser System |
| TASK 78-31-00-710-042-A | Operational Test of the Thrust Reverser System |
| TASK 78-31-00-710-043-A | Operational Test of the Thrust Reverser without CFDS - Engine Not Running |
| TASK 78-31-00-710-043-A | Operational Test of the Thrust Reverser without CFDS - Engine Not Running |
| TASK 78-31-00-710-043-A-01 | Operational Test of the Thrust Reverser without CFDS - Engine Running |
Subtask 72-00-00-860-135-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the ENG/MASTER 1(2) control switch is set to OFF.
(3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(4) Make sure that on SD FUEL page, the LP valve is shown closed.
Subtask 72-00-00-865-054-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the ENG/MASTER 1(2) control switch is set to OFF.
(3) Do the EIS start procedure (upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(4) Make sure that on SD FUEL page, the LP valve is shown closed.
B. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |
Subtask 72-00-00-620-059-A ** ON A/C NOT FOR ALL
A. Preservation for a Period of 30 to 365 Days (Alternative Method Available)
(b) Do the servicing of the oil tank with a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or with a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) (Ref. AMM TASK 12-13-79-610-002).
A minimum of 19 l (5.0 USgal) of oil is necessary to do the motoring procedure of the engine during preservation.
(c) When you do the engine motoring procedure without the accessories installed, make sure that the items that follow are installed.
1 Pad covers and gaskets on pads where accessories are normally installed.
2 Caps on the pad cavity drains to prevent the loss of engine oil.
(d) Drain the fuel system and disconnect the fuel pump inlet tube.
1 Put a CONTAINER 20L (5 USGAL) under the drain plug of the fuel filter housing.
3 Remove the drain plug (80) of the fuel filter cover and let the fuel to drain from the filter.
4 Remove and discard the packing (90) from the drain plug.
. Safety with CP8001 safety cable 0.032 in. (0.8 mm) dia. or CP8002 safety cable 0.032 in. (0.8 mm) dia. (Ref. AMM TASK 70-22-00-911-002).
7 Remove the four bolts (10) and the four washers (20) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50). Let the fuel drain into the container.
8 Keep the gasket (30).
9 Cap the main fuel supply hose (50).
(e) Temporarily install a locally manufactured line to the fuel pump inlet tube. Use the line to supply oil fuel system preventative (Material No.CP5066) at 50 psi (3.4 bar) maximum pressure.
(g) Install a temporary hose drain line 118 in. (3.00 m) long from the HMU PCR port and put the hose to drain in a CONTAINER 100 L(25 USGAL) capacity. Attach the hose to prevent spillage.
1 Stop the engine motoring. Let the engine coast down.
(i) Remove the temporary drain line from the PCR port on the HMU.
(j) Tighten the coupling nut as follows:
a TORQUE coupling nut to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
.
(k) Do a wet-motoring check for five seconds (Ref. AMM TASK 71-00-00-710-002):
1 In order to maintain the LP Fuel Shut-off valve closed, make sure that the circuit breakers 1QG (2QG) and 3QG (4QG) stay pulled during wet motoring.
2 Move the ENG MASTER control switch to ON and motor for five seconds or until you see sprayed preservation fluid come out of the engine exhaust nozzle.
3 Move the ENG MASTER control switch to OFF.
4 Dry motor the engine for two minutes (Ref. AMM TASK 71-00-00-710-001).
(m) Do a full thrust reverser cycle (Ref. AMM TASK 78-31-00-710-042) or (Ref. AMM TASK 78-31-00-710-043).
(n) Turn the fan rotor as follows:
(o) Remove the temporary oil supply line from the fuel pump inlet tube.
(p) Make sure that the gasket (30) is clean and serviceable (Ref. AMM TASK 70-21-00-918-002). Replace it as necessary.
(q) Remove the cap from the open end of the main fuel supply hose (50) and install the four washers (20) and the four bolts (10) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50).
(r) TORQUE the bolts (10) to between 90 and 81 lbf.in (1.02 and 0.92 m.daN )
.
(s) Make sure that Variable Bleed Valve (VBV) doors are closed (Ref. AMM TASK 75-31-20-820-001).
(t) Install vapor barrier film (Material No.CP2160) on all open areas.
(u) Install CAP - BLANKING or PLUG - BLANKING on all open engine areas, such as struts, pipes and accessory pads.
(v) Put desicant bags with humidity indicator (Material No.CP2098) and humidity indicator card in inlet and exhausts of the engine to protect it from moisture as follows:
2 Attach the desicant bags with humidity indicator (Material No.CP2098) in inlet and exhausts of the engine.
a Make sure they are not in contact with the engine hardware.
3 If necessary, use vapor barrier film (Material No.CP2160) to locally protect the engine hardware.
(w) Seal inlet and exhausts of the engine with vapor barrier film (Material No.CP2160) .
(x) Put the adequate protective cover that follows:
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2930G01/GO2). Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
3 If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
(2) Non-operable engine preservation.
(a) Drain the fuel system as follows. Collect the fuel in a satisfactory container.
1 Disconnect the filter upstream (inlet) pressure sensing tube from the fuel filter housing (this is the lower sensing tube connected to the fuel filter differential pressure switch at its other end). Let the fuel drain from the disconnected port.
2 Disconnect the fuel supply line.
a Install a cap on the fuel pump inlet tube.
3 Remove the fuel filter drain plug. Let the fuel drain from the filter.
4 Remove the fuel pump lube flow screen. Let the fuel drain from the pump.
5 Remove the fuel filter element. Discard the element (Ref. AMM TASK 73-11-10-000-004).
6 Remove and discard the preformed packing (60) and the preformed packing (70) from the fuel pump lube flow screen.
(b) Preserve the engine as follows:
a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
2 Install the fuel pump lube flow screen as follows:
b Install the preformed packing (60) and preformed packing (70) on the fuel pump lube flow screen.
c Install the fuel pump lube flow screen to the fuel pump.
4 Connect the tube to the fuel filter inlet pressure port.
a TORQUE the coupling nut to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
5 Install a new fuel filter element (Ref. AMM TASK 73-11-10-400-004).
6 Remove the fuel pump discharge (PHP) port plug.
7 Pump the filtered (10 micron) oil into the PBP port until it flows out of the PHP port. Continue to pump the oil into the PBP port until the oil that flows out does not have fuel mixed with it.
8 Disconnect the cart from the PBP port.
9 Install the PBP port plug.
a TORQUE the plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
10 Connect the cart to the fuel pump discharge (PHP) port.
a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
11 Disconnection of the line:
12 Install a temporary line to the PCR port and let it drain into the container.
13 Disconnect the HJ8 electrical harness from the receptacle connector identified "CHANNEL B" on the HMU. Use PLIERS - NOSE, SOFT, LONG, if necessary.
14 Connect the 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) to the HMU receptacle identified "CHANNEL B" in order to open the Fuel Metering Valve (FMV) in the HMU and allow the preservation oil to flow to the fuel nozzles.
15 Pump the filtered (10 micron) oil through the PHP port until it flows out of the PCR temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
16 Remove TOOL 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) from the HMU receptacle connector, CHANNEL B.
17 Remove the temporary drain line from the PCR port of the HMU.
18 Tighten the coupling nut as follows:
19 Connect the HJ8 electrical harness to the HMU receptacle connector identified "CHANNEL B".
20 Disconnection of the hose:
21 Install a temporary line to the LPTCC port of the HMU and let it drain into the container. Pump filtered (10 micron) oil through the PHP port until it flows out of the LPTCC temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
22 Disconnect the cart from the PHP port.
23 Install the PHP port plug on the fuel pump.
a TORQUE plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
24 Tighten the coupling nut as follows:
25 Install caps on all fuel system ports.
a Make sure that all lines are connected and do not leak.
(c) Close the VBV doors (Ref. AMM TASK 75-31-20-820-001).
(d) Install vapor barrier film (Material No.CP2160) over the VBV bleed grills.
(e) Drain the engine oil from the areas that follow:
1 Oil tank (Ref. AMM TASK 12-13-79-610-003).
2 Accessory gearbox (AGB) (Ref. AMM TASK 12-13-79-610-004).
3 Transfer gearbox (Ref. AMM TASK 12-13-79-610-004).
4 Supply filter on lubrication unit.
5 The oil supply lines between the lubrication unit and the sumps and gearboxes.
6 The scavenge oil lines between the sumps and gearboxes and the lubrication unit.
7 Drain the oil from the oil supply or scavenge lines that have caps installed and that do not connect back to the lubrication unit.
a Install the caps after the oil has been drained.
(f) Preserve the lubrication system as follows:
1 Pump a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) into the areas that follow. Use a cart or hand pump equipped with a volume measuring device and pump the oil at a maximum pressure of 50 psi (3.4 bar).
2 Install caps on all of the lube system ports, pipes, drains, vents, etc.
(g) Install vapor barrier film (Material No.CP2160) on all of the open engine sections.
(h) Put desicant bags with humidity indicator (Material No.CP2098) and humidity indicator card in inlet and exhausts of the engine to protect it from moisture as follows:
2 Attach the desicant bags with humidity indicator (Material No.CP2098) in inlet and exhausts of the engine.
a Make sure they are not in contact with the engine hardware.
3 If necessary, use vapor barrier film (Material No.CP2160) to locally protect the engine hardware.
(i) Seal inlet and exhausts of the engine with vapor barrier film (Material No.CP2160) .
(j) Install a tag on each section of the engine to show that the lubrication and fuel system is preserved.
(k) Put the adequate protective cover that follows:
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2782G01/G02).
a Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
3 If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
Subtask 72-00-00-620-072-A ** ON A/C NOT FOR ALL CAUTION:
IF ENGINE WAS FERRIED OR SUBJECTED TO AN IN-FLIGHT SHUTDOWN (IFSD), ENGINE MUST BE "DRIED OUT" AND RELUBRICATED WITHIN 24 HOURS PER DRY-OUT PROCEDURE OF THIS SECTION.
CAUTION:
UNDER NO CIRCUMSTANCES SHALL PRESERVATIVE OIL OR EQUIVALENT BE SPRAYED INTO THE ENGINE INLET, CORE COMPRESSOR OR TURBINE, OR ENGINE EXHAUST. DIRT PARTICLES DEPOSITED ON THE WETTED BLADES AND VANES MAY ADVERSELY AFFECT ENGINE PERFORMANCE DURING SUBSEQUENT OPERATION.
(1) Operable Engine Preservation. CAUTION:
DO NOT USE SILICONE BASE OILS IN THE FUEL SYSTEM. DAMAGE TO THE ENGINE CAN BE CAUSED.
(a) Drain the oil tank (Ref. AMM TASK 12-13-79-610-003). (b) Do the servicing of the oil tank with a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or with a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) (Ref. AMM TASK 12-13-79-610-002).
A minimum of 19 l (5.0 USgal) of oil is necessary to do the motoring procedure of the engine during preservation.
(c) When you do the engine motoring procedure without the accessories installed, make sure that the items that follow are installed.
1 Pad covers and gaskets on pads where accessories are normally installed.
2 Caps on the pad cavity drains to prevent the loss of engine oil.
(d) Drain the fuel system and disconnect the fuel pump inlet tube.
1 Put a CONTAINER 20L (5 USGAL) under the drain plug of the fuel filter housing.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
2 Cut and remove the safetywire from the drain plug (80) of the fuel filter cover.3 Remove the drain plug (80) of the fuel filter cover and let the fuel to drain from the filter.
4 Remove and discard the packing (90) from the drain plug.
WARNING:
USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.
5 Lubricate a new AIPC 73-11-10-01-290 PACKING (90) with engine oil (Material No.CP2442) and install the packing (90) on the drain plug (80). WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
6 Install and TORQUE the drain plug (80) to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. Safety with 7 Remove the four bolts (10) and the four washers (20) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50). Let the fuel drain into the container.
8 Keep the gasket (30).
9 Cap the main fuel supply hose (50).
(e) Temporarily install a locally manufactured line to the fuel pump inlet tube. Use the line to supply oil fuel system preventative (Material No.CP5066) at 50 psi (3.4 bar) maximum pressure.
- The line is to be locally manufactured.
- If a pressurized oil cart is not available, a 40 l (10.6 USgal) gravity flow container is permitted if the container is 1 ft. (0.30 m) above the fuel pump.
For details:
Location of Fuel Pump Discharge Pressure Ports and Lubrication Unit Filters Drain ** ON A/C NOT FOR ALL
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
1 Disconnect the line from the PCR port on the Hydromechanical Unit (HMU). - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
(g) Install a temporary hose drain line 118 in. (3.00 m) long from the HMU PCR port and put the hose to drain in a CONTAINER 100 L(25 USGAL) capacity. Attach the hose to prevent spillage.
- The drain line is to be locally manufactured with a coupling tube welding P/N J382P06 (0.5625-18 diameter UNJF-3A Threads/material AMS 5645).
NOTE: You can approach CFM to order the coupling tube welding P/N J382P06.
(h) Do a dry-motoring check for 30 seconds (Ref. AMM TASK 71-00-00-710-001). 1 Stop the engine motoring. Let the engine coast down.
(i) Remove the temporary drain line from the PCR port on the HMU.
(j) Tighten the coupling nut as follows:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
1 Install the PCR line to the PCR port. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
a TORQUE coupling nut to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
. (k) Do a wet-motoring check for five seconds (Ref. AMM TASK 71-00-00-710-002):
1 In order to maintain the LP Fuel Shut-off valve closed, make sure that the circuit breakers 1QG (2QG) and 3QG (4QG) stay pulled during wet motoring.
2 Move the ENG MASTER control switch to ON and motor for five seconds or until you see sprayed preservation fluid come out of the engine exhaust nozzle.
3 Move the ENG MASTER control switch to OFF.
4 Dry motor the engine for two minutes (Ref. AMM TASK 71-00-00-710-001).
NOTE: A minimum of 20 quarts (19 liters) of fuel system preventative (Material No.CP5066) is necessary for preservation motoring.
(l) Stop the engine motoring. Let the engine coast down. (m) Do a full thrust reverser cycle (Ref. AMM TASK 78-31-00-710-042) or (Ref. AMM TASK 78-31-00-710-043).
(n) Turn the fan rotor as follows:
WARNING:
BE CAREFUL WHEN YOU TURN THE FAN ROTOR MANUALLY. USE HEAVY PROTECTIVE GLOVES AND MAKE SURE THAT YOU CANNOT SLIP. IF YOU DO NOT OBEY THESE INSTRUCTIONS, INJURY CAN OCCUR.
1 Pull the fan rotor through a minimum of two complete turns if it did not turn during motoring. (o) Remove the temporary oil supply line from the fuel pump inlet tube.
(p) Make sure that the gasket (30) is clean and serviceable (Ref. AMM TASK 70-21-00-918-002). Replace it as necessary.
(q) Remove the cap from the open end of the main fuel supply hose (50) and install the four washers (20) and the four bolts (10) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50).
(r) TORQUE the bolts (10) to between 90 and 81 lbf.in (1.02 and 0.92 m.daN )
. (s) Make sure that Variable Bleed Valve (VBV) doors are closed (Ref. AMM TASK 75-31-20-820-001).
(t) Install vapor barrier film (Material No.CP2160) on all open areas.
(u) Install CAP - BLANKING or PLUG - BLANKING on all open engine areas, such as struts, pipes and accessory pads.
(v) Put desicant bags with humidity indicator (Material No.CP2098) and humidity indicator card in inlet and exhausts of the engine to protect it from moisture as follows:
NOTE: desicant bags with humidity indicator (Material No.CP2098) must be inspected/replaced at regular intervals depending on weather conditions. Make sure they are accessible for inspection/replacement while disturbing a minimum amount of protective material. For inspection's instructions, do this task (Ref. AMM TASK 72-00-00-600-811).
1 Mark the date on the humidity indicator tags. 2 Attach the desicant bags with humidity indicator (Material No.CP2098) in inlet and exhausts of the engine.
a Make sure they are not in contact with the engine hardware.
3 If necessary, use vapor barrier film (Material No.CP2160) to locally protect the engine hardware.
(w) Seal inlet and exhausts of the engine with vapor barrier film (Material No.CP2160) .
(x) Put the adequate protective cover that follows:
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2930G01/GO2). Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
3 If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
- Use a lint-free cloth and solvent (spec BMS11-9), to wipe the area where the tape is used.
- Cut an approximate inlet diameter circle from plastic sheet. Put tape on the plastic circle on FWD edge of the acoustic panel behind the lipskin. Apply with at least 3 layers of tape with overlap around the perimeter of the inlet acoustic panel.
- Do not place plastic or tape over the lipskin or cover the lipskin with plastic.
- Apply the tape across the diameter of the circular sheet to reduce the pillowing of the plastic sheeting.
(2) Non-operable engine preservation.
(a) Drain the fuel system as follows. Collect the fuel in a satisfactory container.
1 Disconnect the filter upstream (inlet) pressure sensing tube from the fuel filter housing (this is the lower sensing tube connected to the fuel filter differential pressure switch at its other end). Let the fuel drain from the disconnected port.
2 Disconnect the fuel supply line.
a Install a cap on the fuel pump inlet tube.
3 Remove the fuel filter drain plug. Let the fuel drain from the filter.
4 Remove the fuel pump lube flow screen. Let the fuel drain from the pump.
5 Remove the fuel filter element. Discard the element (Ref. AMM TASK 73-11-10-000-004).
6 Remove and discard the preformed packing (60) and the preformed packing (70) from the fuel pump lube flow screen.
(b) Preserve the engine as follows:
CAUTION:
DO NOT USE SILICONE BASE OILS IN THE FUEL SYSTEM. DAMAGE TO THE ENGINE CAN BE CAUSED.
1 Remove the PBP port plug from the fuel pump. Connect an CART - PRESSURIZING, OIL that contains fuel system preventative (Material No.CP5066) to the boost discharge pressure (PBP) port on the fuel pump. a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 2 Install the fuel pump lube flow screen as follows:
WARNING:
USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.
a Lightly lubricate the new AIPC 73-11-10-01-165 PACKING (60) and the new AIPC 73-11-10-01-160 PACKING (70) with engine oil (Material No.CP2442) . b Install the preformed packing (60) and preformed packing (70) on the fuel pump lube flow screen.
c Install the fuel pump lube flow screen to the fuel pump.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
d Safety the fuel pump lube flow screen as follows: - Safety the fuel pump lube flow screen to the fuel pump with
orCP8001 safety wire 0.032 in. (0.8 mm) dia. orCP8002 safety wire 0.032 in. (0.8 mm) dia. .CP8006 safety cable 0.032 in. (0.8 mm) dia.
4 Connect the tube to the fuel filter inlet pressure port.
a TORQUE the coupling nut to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 5 Install a new fuel filter element (Ref. AMM TASK 73-11-10-400-004).
6 Remove the fuel pump discharge (PHP) port plug.
7 Pump the filtered (10 micron) oil into the PBP port until it flows out of the PHP port. Continue to pump the oil into the PBP port until the oil that flows out does not have fuel mixed with it.
8 Disconnect the cart from the PBP port.
9 Install the PBP port plug.
a TORQUE the plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 10 Connect the cart to the fuel pump discharge (PHP) port.
a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 11 Disconnection of the line:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Disconnect the line (hose) from the HMU PCR port. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
12 Install a temporary line to the PCR port and let it drain into the container.
13 Disconnect the HJ8 electrical harness from the receptacle connector identified "CHANNEL B" on the HMU. Use PLIERS - NOSE, SOFT, LONG, if necessary.
14 Connect the 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) to the HMU receptacle identified "CHANNEL B" in order to open the Fuel Metering Valve (FMV) in the HMU and allow the preservation oil to flow to the fuel nozzles.
15 Pump the filtered (10 micron) oil through the PHP port until it flows out of the PCR temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
16 Remove TOOL 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) from the HMU receptacle connector, CHANNEL B.
17 Remove the temporary drain line from the PCR port of the HMU.
18 Tighten the coupling nut as follows:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Connect the PCR line to the HMU PCR port. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
19 Connect the HJ8 electrical harness to the HMU receptacle connector identified "CHANNEL B".
20 Disconnection of the hose:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Disconnect the Low Pressure Turbine Clearance Control (LPTCC) fuel supply hose from the HMU. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
21 Install a temporary line to the LPTCC port of the HMU and let it drain into the container. Pump filtered (10 micron) oil through the PHP port until it flows out of the LPTCC temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
22 Disconnect the cart from the PHP port.
23 Install the PHP port plug on the fuel pump.
a TORQUE plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 24 Tighten the coupling nut as follows:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Remove the temporary line. Connect the LPTCC fuel supply hose to the HMU. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
25 Install caps on all fuel system ports.
a Make sure that all lines are connected and do not leak.
(c) Close the VBV doors (Ref. AMM TASK 75-31-20-820-001).
(d) Install vapor barrier film (Material No.CP2160) over the VBV bleed grills.
(e) Drain the engine oil from the areas that follow:
1 Oil tank (Ref. AMM TASK 12-13-79-610-003).
2 Accessory gearbox (AGB) (Ref. AMM TASK 12-13-79-610-004).
3 Transfer gearbox (Ref. AMM TASK 12-13-79-610-004).
4 Supply filter on lubrication unit.
5 The oil supply lines between the lubrication unit and the sumps and gearboxes.
6 The scavenge oil lines between the sumps and gearboxes and the lubrication unit.
7 Drain the oil from the oil supply or scavenge lines that have caps installed and that do not connect back to the lubrication unit.
a Install the caps after the oil has been drained.
(f) Preserve the lubrication system as follows:
1 Pump a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) into the areas that follow. Use a cart or hand pump equipped with a volume measuring device and pump the oil at a maximum pressure of 50 psi (3.4 bar).
NOTE: If possible, while you pump the oil in, turn the fan and core rotors with your hand and continue to turn for one minute after all the oil is added.
| ----------------------------------------------------------------------------- |
| ! LOCATION ! OIL QUANTITY ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the AGB ! 6 qt (6 liters) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the transfer gearbox ! 1 qt (1 liter) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the forward sump ! 2 qt (2 liters) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the aft sump ! 1 qt (1 liter) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil tank ! 18 qt (17 liters) ! |
| !------------------------------------------!--------------------------------! |
| ! Lube and scavenge pumps ! Wet parts ! |
| ! (Oil supply and scavenge discharge) ! ! |
| ----------------------------------------------------------------------------- |
2 Install caps on all of the lube system ports, pipes, drains, vents, etc.
(g) Install vapor barrier film (Material No.CP2160) on all of the open engine sections.
(h) Put desicant bags with humidity indicator (Material No.CP2098) and humidity indicator card in inlet and exhausts of the engine to protect it from moisture as follows:
NOTE: desicant bags with humidity indicator (Material No.CP2098) must be inspected/replaced at regular intervals depending on weather conditions. Make sure they are accessible for inspection/replacement while disturbing a minimum amount of protective material. For inspection's instructions, do this task (Ref. AMM TASK 72-00-00-600-811).
1 Mark the date on the humidity indicator tags. 2 Attach the desicant bags with humidity indicator (Material No.CP2098) in inlet and exhausts of the engine.
a Make sure they are not in contact with the engine hardware.
3 If necessary, use vapor barrier film (Material No.CP2160) to locally protect the engine hardware.
(i) Seal inlet and exhausts of the engine with vapor barrier film (Material No.CP2160) .
(j) Install a tag on each section of the engine to show that the lubrication and fuel system is preserved.
(k) Put the adequate protective cover that follows:
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2782G01/G02).
a Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
3 If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
- Use a lint-free cloth and solvent (spec BMS11-9), to wipe the area where the tape is used.
- Cut an approximate inlet diameter circle from plastic sheet. Put tape on the plastic circle on FWD edge of the acoustic panel behind the lipskin. Apply with at least 3 layers of tape with overlap around the perimeter of the inlet acoustic panel.
- Do not place plastic or tape over the lipskin or cover the lipskin with plastic.
- Apply the tape across the diameter of the circular sheet to reduce the pillowing of the plastic sheeting.
B. Alternative Method, Preservation for a Period of 30 to 365 Days with Preservation Tool KIT 856A1717P01
(b) Do the servicing of the oil tank with a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or with a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) (Ref. AMM TASK 12-13-79-610-002).
A minimum of 19 l (5.0 USgal) of oil is necessary to do the motoring procedure of the engine during preservation.
(c) When you do the engine motoring procedure without the accessories installed, make sure that the items that follow are installed.
1 Pad covers and gaskets on pads where accessories are normally installed.
2 Caps on the pad cavity drains to prevent the loss of engine oil.
(d) Drain the fuel system and disconnect the fuel pump inlet tube.
1 Put a Tank Gallon Gravity Feed IAS-2000-03 from 856A1717P01 PRESERVATION TOOL KIT or standard tool under the drain plug of the fuel filter housing.
3 Remove the drain plug (80) of the fuel filter cover and let the fuel to drain from the filter.
4 Remove and discard the packing (90) from the drain plug.
. Safety with CP8001 safety wire 0.032 in. (0.8 mm) dia. or CP8002 safety wire 0.032 in. (0.8 mm) dia. (Ref. AMM TASK 70-22-00-911-002).
7 Removal of the safety wire.
8 Remove the four bolts and the four washers (20) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50). Let the fuel drain into the container.
9 Keep the gasket (30).
(e) Install Supply Hose IAS-2200-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool to the fuel pump inlet tube. Use the line to supply oil fuel system preventative (Material No.CP5066) at 50 psi (3.4 bar) maximum pressure.
1 Do a dry-motoring check for 30 seconds (Ref. AMM TASK 71-00-00-710-001).
a Stop the engine motoring. Let the engine coast down.
2 If engine is off wing, do an alternative procedure as follows:
a Remove the clamp of the starter air duct.
b Remove the starter air duct.
c Install the adapter of the Manual Pneumatic Start Assembly PN IAS-2110-04.
d Install the clamp of the starter air duct on the manual pneumatic start assembly PN IAS-2110-04.
e Install a huffer cart to the manual pneumatic start assembly.
f Motor the engine with air pressure from the huffer cart.
(i) Remove the Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool temporary from the PCR port on the HMU.
(j) Tighten the coupling nut as follows:
a TORQUE coupling nut to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
.
(k) Do a wet-motoring check for five seconds (Ref. AMM TASK 71-00-00-710-002):
1 In order to maintain the LP Fuel Shut-off valve closed, make sure that the circuit breakers 1QG (2QG) and 3QG (4QG) stay pulled during wet motoring.
2 Move the ENG MASTER control switch to ON and motor for 5 seconds or until you see sprayed preservation fluid come out of the engine exhaust nozzle.
3 Move the ENG MASTER control switch to OFF.
4 Dry motor the engine for two minutes (Ref. AMM TASK 71-00-00-710-001).
(m) Do a full thrust reverser cycle (Ref. AMM TASK 78-31-00-710-042) or (Ref. AMM TASK 78-31-00-710-043).
(n) Turn the fan rotor as follows:
(o) Remove the temporary oil supply line from the fuel pump inlet tube.
(p) Make sure that the gasket (30) is clean and serviceable (Ref. AMM TASK 70-21-00-918-002). Replace it as necessary.
(q) Remove the cap of the open end of the main fuel supply hose (50) and install the four washers (20) and the four bolts (10) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50).
(r) TORQUE the bolts (10) to between 90 and 81 lbf.in (1.02 and 0.92 m.daN )
.
(s) Make sure that VBV doors are closed (Ref. AMM TASK 75-31-20-820-001).
(t) Install vapor barrier film (Material No.CP2160) on all open areas.
(u) Install CAP - BLANKING or PLUG - BLANKING on all open engine areas, such as struts, pipes and accessory pads.
(v) Put desicant bags with humidity indicator (Material No.CP2098) and humidity indicator cards on either side of the engine. Do not allow the desiccant to touch the engine surfaces.
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2930G01/GO2). Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
(2) Non-operable Engine Preservation.
(a) Drain the fuel system as follows. Collect the fuel in a satisfactory container.
1 Disconnect the filter upstream (inlet) pressure sensing tube from the fuel filter housing (this is the lower sensing tube connected to the fuel filter differential pressure switch at its other end). Let the fuel drain from the disconnected port.
2 Disconnect the fuel supply line.
a Install a cap on the fuel pump inlet tube.
3 Remove the fuel filter drain plug. Let the fuel drain from the filter.
4 Remove the fuel pump lube flow screen. Let the fuel drain from the pump.
5 Remove the fuel filter element. Discard the element (Ref. AMM TASK 73-11-10-000-004).
6 Remove and discard the preformed packing (60) and the preformed packing (70) from the fuel pump lube flow screen.
(b) Preserve the engine as follows:
a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
2 Install the fuel pump lube flow screen as follows:
b Install the preformed packing (60) and the preformed packing (70) on the fuel pump lube flow screen.
c Install the fuel pump lube flow screen to the fuel pump.
4 Connect the tube to the fuel filter inlet pressure port.
a TORQUE the coupling nut to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
5 Install a new fuel filter element (Ref. AMM TASK 73-11-10-400-004).
6 Remove the fuel pump discharge (PHP) port plug.
7 Pump the filtered (10 micron) oil into the PBP port until it flows out of the PHP port. Continue to pump the oil into the PBP port until the oil that flows out does not have fuel mixed with it.
8 Disconnect the cart from the PBP port.
9 Install the PBP port plug.
a TORQUE the plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
10 Connect the cart to the fuel pump discharge (PHP) port.
a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
11 Disconnection of the line:
12 Install a Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool to the PCR port and let it drain into the container.
13 Disconnect the HJ8 electrical harness from the receptacle connector identified "CHANNEL B" on the HMU. Use PLIERS - NOSE, SOFT, LONG, if necessary.
14 Connect the 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) to the HMU receptacle identified "CHANNEL B" in order to open the Fuel Metering Valve (FMV) in the HMU and allow the preservation oil to flow to the fuel nozzles.
15 Pump the filtered (10 micron) oil through the PHP port until it flows out of the PCR temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
16 Remove TOOL 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) from the HMU receptacle connector, CHANNEL B.
17 Remove the temporary drain line from the PCR port of the HMU.
18 Tighten the coupling nut as follows:
19 Connect the HJ8 electrical harness to the HMU receptacle connector identified "CHANNEL B".
20 Disconnection of the hose:
21 Install a temporary line to the LPTCC port of the HMU and let it drain into the container. Pump filtered (10 micron) oil through the PHP port until it flows out of the LPTCC temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
22 Disconnect the cart from the PHP port.
23 Install the PHP port plug on the fuel pump.
a TORQUE plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
.
24 Tighten the coupling nut as follows:
25 Install caps on all fuel system ports. Make sure that all lines are connected and do not leak.
(c) Close the VBV doors (Ref. AMM TASK 75-31-20-820-001).
(d) Install vapor barrier film (Material No.CP2160) over the VBV bleed grills.
(e) Drain the engine oil from the areas that follow:
1 Oil tank (Ref. AMM TASK 12-13-79-610-003).
2 Accessory gearbox (AGB) (Ref. AMM TASK 12-13-79-610-004).
3 Transfer gearbox (Ref. AMM TASK 12-13-79-610-004).
4 Supply filter on lubrication unit.
5 The oil supply lines between the lubrication unit and the sumps and gearboxes.
6 The scavenge oil lines between the sumps and gearboxes and the lubrication unit.
7 Drain the oil from the oil supply or scavenge lines that have caps installed and that do not connect back to the lubrication unit. Install the caps after the oil has been drained.
(f) Preserve the lubrication system as follows:
1 Pump a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) into the areas that follow. Use a cart or hand pump equipped with a volume measuring device and pump the oil at a maximum pressure of 50 psi (3.4 bar).
2 Install caps on all of the lube system ports, pipes, drains, vents, etc.
(g) Install vapor barrier film (Material No.CP2160) on all of the open engine sections.
(h) Install a tag on each section of the engine to show that the lubrication and fuel system is preserved.
(i) Put the adequate protective covers that follows:
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2782G01/G02). Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
5. Close-upCAUTION:
IF ENGINE WAS FERRIED OR SUBJECTED TO AN IN-FLIGHT SHUTDOWN (IFSD), ENGINE MUST BE "DRIED OUT" AND RELUBRICATED WITHIN 24 HOURS PER DRY-OUT PROCEDURE OF THIS SECTION.
CAUTION:
UNDER NO CIRCUMSTANCES SHALL PRESERVATIVE OIL OR EQUIVALENT BE SPRAYED INTO THE ENGINE INLET, CORE COMPRESSOR OR TURBINE, OR ENGINE EXHAUST. DIRT PARTICLES DEPOSITED ON THE WETTED BLADES AND VANES MAY ADVERSELY AFFECT ENGINE PERFORMANCE DURING SUBSEQUENT OPERATION.
(1) Operable Engine Preservation. CAUTION:
DO NOT USE SILICONE BASE OILS IN THE FUEL SYSTEM. DAMAGE TO THE ENGINE CAN BE CAUSED.
(a) Drain the oil tank (Ref. AMM TASK 12-13-79-610-003). (b) Do the servicing of the oil tank with a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or with a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) (Ref. AMM TASK 12-13-79-610-002).
A minimum of 19 l (5.0 USgal) of oil is necessary to do the motoring procedure of the engine during preservation.
(c) When you do the engine motoring procedure without the accessories installed, make sure that the items that follow are installed.
1 Pad covers and gaskets on pads where accessories are normally installed.
2 Caps on the pad cavity drains to prevent the loss of engine oil.
(d) Drain the fuel system and disconnect the fuel pump inlet tube.
1 Put a Tank Gallon Gravity Feed IAS-2000-03 from 856A1717P01 PRESERVATION TOOL KIT or standard tool under the drain plug of the fuel filter housing.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
2 Cut and remove the safetywire from the drain plug (80) of the fuel filter cover.3 Remove the drain plug (80) of the fuel filter cover and let the fuel to drain from the filter.
4 Remove and discard the packing (90) from the drain plug.
WARNING:
USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.
5 Lubricate a new AIPC 73-11-10-01-290 PACKING (90) with engine oil (Material No.CP2442) and install the packing (90) on the drain plug (80). WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
6 Install and TORQUE the drain plug (80) to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. Safety with 7 Removal of the safety wire.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
a Cut safety wire from the four bolts (10) and remove it from the bolts. 8 Remove the four bolts and the four washers (20) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50). Let the fuel drain into the container.
9 Keep the gasket (30).
NOTE: Bolts (10) will be used to attach the fuel oil adapter from 856A1717P01 PRESERVATION TOOL KIT.
10 Cap the open end of the main fuel supply hose (50).(e) Install Supply Hose IAS-2200-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool to the fuel pump inlet tube. Use the line to supply oil fuel system preventative (Material No.CP5066) at 50 psi (3.4 bar) maximum pressure.
- Use Supply Hose IAS-2200-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool.
- If a pressurized oil cart is not available, a 40 l (10.6 USgal) gravity flow container is permitted if the container is 1 ft. (0.30 m) above the fuel pump.
For details:
Location of Fuel Pump Discharge Pressure Ports and Lubrication Unit Filters Drain ** ON A/C NOT FOR ALL
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
1 Disconnect the line from the PCR port on the HMU. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
NOTE: When you install the adapter with a hose connected to the oil service tank, the tank must be higher than the attach point for gravity feed.
(g) Install a temporary Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool 118 in. (3.00 m) long from the HMU PCR port and put the hose to drain in a CONTAINER 100 L(25 USGAL) capacity. Attach the Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool to prevent spillage. - The Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool locally manufactured with a coupling tube welding P/N J382P06 (0.5625-18 diameter UNJF-3A Threads/material AMS 5645).
NOTE: You can approach CFM to order the coupling tube welding P/N J382P06.
(h) Dry-motoring: 1 Do a dry-motoring check for 30 seconds (Ref. AMM TASK 71-00-00-710-001).
a Stop the engine motoring. Let the engine coast down.
2 If engine is off wing, do an alternative procedure as follows:
a Remove the clamp of the starter air duct.
b Remove the starter air duct.
c Install the adapter of the Manual Pneumatic Start Assembly PN IAS-2110-04.
d Install the clamp of the starter air duct on the manual pneumatic start assembly PN IAS-2110-04.
e Install a huffer cart to the manual pneumatic start assembly.
f Motor the engine with air pressure from the huffer cart.
(i) Remove the Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool temporary from the PCR port on the HMU.
(j) Tighten the coupling nut as follows:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
1 Install the PCR line to the PCR port. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
a TORQUE coupling nut to between 200 and 180 lbf.in (2.26 and 2.03 m.daN )
. (k) Do a wet-motoring check for five seconds (Ref. AMM TASK 71-00-00-710-002):
1 In order to maintain the LP Fuel Shut-off valve closed, make sure that the circuit breakers 1QG (2QG) and 3QG (4QG) stay pulled during wet motoring.
2 Move the ENG MASTER control switch to ON and motor for 5 seconds or until you see sprayed preservation fluid come out of the engine exhaust nozzle.
3 Move the ENG MASTER control switch to OFF.
4 Dry motor the engine for two minutes (Ref. AMM TASK 71-00-00-710-001).
NOTE: A minimum of 20 quarts (19 liters) of fuel system preventative (Material No.CP5066) is necessary for preservation motoring.
(l) Stop the engine motoring. Let the engine coast down. (m) Do a full thrust reverser cycle (Ref. AMM TASK 78-31-00-710-042) or (Ref. AMM TASK 78-31-00-710-043).
(n) Turn the fan rotor as follows:
WARNING:
BE CAREFUL WHEN YOU TURN THE FAN ROTOR MANUALLY. USE HEAVY PROTECTIVE GLOVES AND MAKE SURE THAT YOU CANNOT SLIP. IF YOU DO NOT OBEY THESE INSTRUCTIONS, INJURY CAN OCCUR.
1 Pull the fan rotor through a minimum of two complete turns if it did not turn during motoring. (o) Remove the temporary oil supply line from the fuel pump inlet tube.
(p) Make sure that the gasket (30) is clean and serviceable (Ref. AMM TASK 70-21-00-918-002). Replace it as necessary.
(q) Remove the cap of the open end of the main fuel supply hose (50) and install the four washers (20) and the four bolts (10) which attach the fuel inlet tube (40) to the duct of the main fuel supply hose (50).
(r) TORQUE the bolts (10) to between 90 and 81 lbf.in (1.02 and 0.92 m.daN )
. (s) Make sure that VBV doors are closed (Ref. AMM TASK 75-31-20-820-001).
(t) Install vapor barrier film (Material No.CP2160) on all open areas.
(u) Install CAP - BLANKING or PLUG - BLANKING on all open engine areas, such as struts, pipes and accessory pads.
(v) Put desicant bags with humidity indicator (Material No.CP2098) and humidity indicator cards on either side of the engine. Do not allow the desiccant to touch the engine surfaces.
NOTE: Replace the desiccant at regular times based on atmospheric and weather conditions. Put the desiccant in the engine so that it will give sufficient protection. Install it so that you will have to move a minimum quantity of engine protective covers.
(w) Put the adequate protective covers that follows:1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2930G01/GO2). Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
- Use a lint-free cloth and solvent (spec BMS11-9), to wipe the area where the tape is used.
- Cut an approximate inlet diameter circle from plastic sheet. Put tape on the plastic circle on FWD edge of the acoustic panel behind the lipskin. Apply with at least three layers of tape with overlap around the perimeter of the inlet acoustic panel.
- Do not place plastic or tape over the lipskin or cover the lipskin with plastic.
- Apply the tape across the diameter of the circular sheet to reduce the pillowing of the plastic sheeting.
(2) Non-operable Engine Preservation.
(a) Drain the fuel system as follows. Collect the fuel in a satisfactory container.
1 Disconnect the filter upstream (inlet) pressure sensing tube from the fuel filter housing (this is the lower sensing tube connected to the fuel filter differential pressure switch at its other end). Let the fuel drain from the disconnected port.
2 Disconnect the fuel supply line.
a Install a cap on the fuel pump inlet tube.
3 Remove the fuel filter drain plug. Let the fuel drain from the filter.
4 Remove the fuel pump lube flow screen. Let the fuel drain from the pump.
5 Remove the fuel filter element. Discard the element (Ref. AMM TASK 73-11-10-000-004).
6 Remove and discard the preformed packing (60) and the preformed packing (70) from the fuel pump lube flow screen.
(b) Preserve the engine as follows:
CAUTION:
DO NOT USE SILICONE BASE OILS IN THE FUEL SYSTEM. DAMAGE TO THE ENGINE CAN BE CAUSED.
1 Remove the PBP port plug from the fuel pump. Connect an CART - PRESSURIZING, OIL that contains fuel system preventative (Material No.CP5066) to the boost discharge pressure (PBP) port on the fuel pump. a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 2 Install the fuel pump lube flow screen as follows:
WARNING:
USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.
a Lightly lubricate the new AIPC 73-11-10-01-165 PACKING (60) and the new AIPC 73-11-10-01-160 PACKING (70) with engine oil (Material No.CP2442) . b Install the preformed packing (60) and the preformed packing (70) on the fuel pump lube flow screen.
c Install the fuel pump lube flow screen to the fuel pump.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL SAFETYWIRE. EACH TIME YOU CUT SAFETYWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE SAFETYWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
d Safety the fuel pump lube flow screen as follows: - Safety the fuel pump lube flow screen to the fuel pump with
orCP8001 safety cable 0.032 in. (0.8 mm) dia. orCP8002 safety cable 0.032 in. (0.8 mm) dia. .CP8006 safety cable 0.032 in. (0.8 mm) dia.
4 Connect the tube to the fuel filter inlet pressure port.
a TORQUE the coupling nut to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 5 Install a new fuel filter element (Ref. AMM TASK 73-11-10-400-004).
6 Remove the fuel pump discharge (PHP) port plug.
7 Pump the filtered (10 micron) oil into the PBP port until it flows out of the PHP port. Continue to pump the oil into the PBP port until the oil that flows out does not have fuel mixed with it.
8 Disconnect the cart from the PBP port.
9 Install the PBP port plug.
a TORQUE the plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 10 Connect the cart to the fuel pump discharge (PHP) port.
a TORQUE the connector to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 11 Disconnection of the line:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Disconnect the line (hose) from the HMU PCR port. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
12 Install a Drain Hose IAS-2270-01 from 856A1717P01 PRESERVATION TOOL KIT or standard tool to the PCR port and let it drain into the container.
13 Disconnect the HJ8 electrical harness from the receptacle connector identified "CHANNEL B" on the HMU. Use PLIERS - NOSE, SOFT, LONG, if necessary.
14 Connect the 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) to the HMU receptacle identified "CHANNEL B" in order to open the Fuel Metering Valve (FMV) in the HMU and allow the preservation oil to flow to the fuel nozzles.
15 Pump the filtered (10 micron) oil through the PHP port until it flows out of the PCR temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
16 Remove TOOL 856A1480 FADEC-ENGINE PRESERVATION FALSE METERING VALVE SIGNAL (856A1480G01) from the HMU receptacle connector, CHANNEL B.
17 Remove the temporary drain line from the PCR port of the HMU.
18 Tighten the coupling nut as follows:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Connect the PCR line to the HMU PCR port. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
19 Connect the HJ8 electrical harness to the HMU receptacle connector identified "CHANNEL B".
20 Disconnection of the hose:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Disconnect the LPTCC fuel supply hose from the HMU. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
21 Install a temporary line to the LPTCC port of the HMU and let it drain into the container. Pump filtered (10 micron) oil through the PHP port until it flows out of the LPTCC temporary line. Continue to pump oil through the PHP port until the oil that flows out does not have fuel mixed with it.
22 Disconnect the cart from the PHP port.
23 Install the PHP port plug on the fuel pump.
a TORQUE plug to between 55 and 45 lbf.in (0.62 and 0.51 m.daN )
. 24 Tighten the coupling nut as follows:
CAUTION:
USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:
a Remove the temporary line. Connect the LPTCC fuel supply hose to the HMU. - ONE WRENCH TO HOLD THE UNION, AND
- ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.
25 Install caps on all fuel system ports. Make sure that all lines are connected and do not leak.
(c) Close the VBV doors (Ref. AMM TASK 75-31-20-820-001).
(d) Install vapor barrier film (Material No.CP2160) over the VBV bleed grills.
(e) Drain the engine oil from the areas that follow:
1 Oil tank (Ref. AMM TASK 12-13-79-610-003).
2 Accessory gearbox (AGB) (Ref. AMM TASK 12-13-79-610-004).
3 Transfer gearbox (Ref. AMM TASK 12-13-79-610-004).
4 Supply filter on lubrication unit.
5 The oil supply lines between the lubrication unit and the sumps and gearboxes.
6 The scavenge oil lines between the sumps and gearboxes and the lubrication unit.
7 Drain the oil from the oil supply or scavenge lines that have caps installed and that do not connect back to the lubrication unit. Install the caps after the oil has been drained.
(f) Preserve the lubrication system as follows:
1 Pump a mixture of approved engine oil (Material No.CP2442) and seven percent (by volume) corrosion protective additive (Material No.CP5075) or a mixture of approved engine oil (Material No.CP2442) and five percent (by volume) lubrication system corrosion preventive oil (Material No.CP5067) into the areas that follow. Use a cart or hand pump equipped with a volume measuring device and pump the oil at a maximum pressure of 50 psi (3.4 bar).
NOTE: If possible, while you pump the oil in, turn the fan and core rotors with your hand and continue to turn for one minute after all the oil is added.
| ----------------------------------------------------------------------------- |
| ! LOCATION ! OIL QUANTITY ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the AGB ! 6 qt (6 liters) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the transfer gearbox ! 1 qt (1 liter) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the forward sump ! 2 qt (2 liters) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil supply to the aft sump ! 1 qt (1 liter) ! |
| !------------------------------------------!--------------------------------! |
| ! Oil tank ! 18 qt (17 liters) ! |
| !------------------------------------------!--------------------------------! |
| ! Lube and scavenge pumps ! Wet parts ! |
| ! (Oil supply and scavenge discharge) ! ! |
| ----------------------------------------------------------------------------- |
2 Install caps on all of the lube system ports, pipes, drains, vents, etc.
(g) Install vapor barrier film (Material No.CP2160) on all of the open engine sections.
(h) Install a tag on each section of the engine to show that the lubrication and fuel system is preserved.
(i) Put the adequate protective covers that follows:
1 If the engine is stored off-wing, cover the full engine with 856A2930 COVER FITTED BARE QEC ENGINE SHIPPING (856A2782G01/G02). Make sure it is tight fitted to the engine.
2 If the engine is stored on-wing, put a waterproof cover over the whole powerplant. Make sure it is tight fitted to the powerplant. If not possible, as an alternative, cover the entrance to fan inlet cowl and exit openings of exhaust nozzle and exhaust plug.
If the engine inlet and exhaust covers are not available, use barrier material compliant with specification MIL-PRF-121, polyethylene film ASTM D2103 or equivalent 6 mil or thicker material, and tape ASTM D5486.
a When you apply plastic sheeting and tape to the exhaust, make sure that the drain holes or tubes are clear and not covered.
b When you use plastic sheeting to cover the inlet, do the steps that follow:
- Use a lint-free cloth and solvent (spec BMS11-9), to wipe the area where the tape is used.
- Cut an approximate inlet diameter circle from plastic sheet. Put tape on the plastic circle on FWD edge of the acoustic panel behind the lipskin. Apply with at least 3 layers of tape with overlap around the perimeter of the inlet acoustic panel.
- Do not place plastic or tape over the lipskin or cover the lipskin with plastic.
- Apply the tape across the diameter of the circular sheet to reduce the pillowing of the plastic sheeting.
Subtask 72-00-00-862-061-A ** ON A/C NOT FOR ALL Subtask 72-00-00-865-055-A ** ON A/C NOT FOR ALL
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG1 | 1QG | A08 |
| 121VU | FUEL/LP VALVE/MOT2/ENG1 | 3QG | M25 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | FUEL/LP VALVE/MOT1/ENG2 | 2QG | A09 |
| 121VU | FUEL/LP VALVE/MOT2/ENG2 | 4QG | M26 |