Installation of the ACT Fuel-Transfer-Pump Mounting-Plate

TASK 28-28-31-400-001-A
Installation of the ACT Fuel-Transfer-Pump Mounting-Plate

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 142
ZONE: 150
ZONE: 152
FIN: 163QM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )
No specific	Torque wrench: range to between 1.06 and 0.82 m.daN (93.81 and 72.57 lbf.in )
No specific	Torque wrench: range to between 1.3 and 1.2 m.daN (115.04 and 106.19 lbf.in )
No specific	Torque wrench: range to between 4.64 and 3.87 m.daN (34.22 and 28.54 lbf.ft )
No specific	Torque wrench: range to between 5.3 and 4.8 m.daN (39.09 and 35.40 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.01ABA1)	Turbine Fuel-- Kerosene -
(Material No.04EAC2)	Primer Polyurethane Paint_- Corrosion Inhibiting Structure

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
142	WING CENTER BOX
150	AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT
152	AFT CARGO COMPARTMENT
148AZ

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
7	PACKING	AIPC 28-28-05-01-020
13	PACKING	AIPC 28-28-05-10-090
22	PACKING	AIPC 28-28-05-11-150
3	O-RING	AIPC 28-28-83-01-140
4	O-RING	AIPC 28-28-85-10-030
20	O-RING	AIPC 28-28-85-10-120
17	O-RING	AIPC 28-28-85-11-220

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-11-28-650-003-A	Pressure Refuel with Automatic Control
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
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 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-25-00-650-001-A	Pressure Defuel
TASK 28-25-00-869-001-A	Fuel Transfer
TASK 28-28-00-710-008-A	Operational Check of the ACT Manual Transfer System (AFT Cargo-Compartment)
TASK 28-28-51-000-001-A	Removal of the ACT Fuel-Transfer Pump-Element
TASK 28-28-51-400-001-A	Installation of the ACT Fuel-Transfer Pump-Element
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
TASK 57-17-11-000-001-B	Removal of Access Cover 148AZ or/and the ACT-Equipment Support Door
TASK 57-17-11-000-003-A	Removal of the Protective Cover of the ACT-Equipment Support Door
TASK 57-17-11-400-001-B	Installation of Access Cover 148AZ or/and the ACT-Equipment Support-Door
TASK 57-17-11-400-003-A	Installation of the Protective Cover of the ACT-Equipment Support Door
ACT Fuel-Transfer-Pump Mounting-Plate ** ON A/C NOT FOR ALL
ACT Fuel-Transfer-Pump Mounting-Plate ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 28-28-31-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) When you do maintenance work on the fuel system, you must obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) Make sure that the aircraft electrical circuits are energized.
(Ref. AMM TASK 24-41-00-861-002).
(3) On the APU section of overhead panel 25VU, make sure that the APU/MASTER SW pushbutton switch is released (the ON legend is off).
(4) On the FUEL section of panel 40VU, make sure that all the L TK PUMPS and R TK PUMPS pushbutton switches are released (the OFF legends are on).
(5) Make sure that the WARNING NOTICE(S) is (are) in position:

On the APU section of overhead panel 25VU to tell persons not to operate the APU/MASTER SW pushbutton switch
On the FUEL section of panel 40VU to tell persons not to operate the fuel system
On the ENG/APU FIRE panel on overhead panel 20VU to tell persons not to operate the fire extinguishing system
On the Additional Center Tank (ACT) section of control panel 28VU to tell persons not to operate the fuel system.

(6) Make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to operate the MLG doors.
(7) Make sure that the fuel center tank is defueled (Ref. AMM TASK 28-25-00-650-001).
(8) Make sure that the right MLG door is open (Ref. AMM TASK 32-12-00-010-001).
(9) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the right MLG door.
(10) Make sure that the protective cover of the ACT-equipment support door is removed (Ref. AMM TASK 57-17-11-000-003).
(11) Make sure that the ACT fuel-transfer pump-element is removed (Ref. AMM TASK 28-28-51-000-001).
(12) Make sure that access cover 148AZ is removed (Ref. AMM TASK 57-17-11-000-001).

Subtask 28-28-31-865-051-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	FUEL/RFL/DFL/SPLY	2QU	L24
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L23
121VU	ACT PUMP SUPPLY	25QH	Q29
** ON A/C NOT FOR ALL
121VU	FUEL/RFL/DFL/SPLY	2QU	L23
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L22
121VU	FUEL/ACT/FUEL PUMP/SPLY	25QH	Q29

4. Procedure
Subtask 28-28-31-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the Mounting Plate
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the PLUG-BLANKING from each disconnected line end.
(4) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-05-01-020 PACKING (7).
(5) Install the packing (7) in the groove of the canister (8).
(6) Put the canister (8) in position and install the six washers (2) and the six bolts (1).
(7) Tighten the bolts (1).
(8) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-05-11-150 PACKING (22).
(9) Install the packing (22) in the groove of the pipe (21).
(10) Connect the pipe (21) to the canister (8) and tighten the nut (20).
(11) Install the bolts (17) on the pipe (18) and connect it to the canister (8). Install the nuts (19) and tighten.
(12) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-05-10-090 PACKING (13).
(13) Put the pipe (14) in position on the canister (8) and install the new packing (13).
(14) Tighten the unions of the pipe (14).
(15) Install the washer (16) and the screw (15) and tighten them.
(16) Put the pipe (12) in position on the canister (8) and install the washers (10), the bolts (11) and the nuts (9).
(17) Tighten the nuts (9).
(18) Install the bonding strap (4), the washer (5), the nut (3) and the bolt (6).
(19) Tighten the bolt (6).

NOTE: You must do the electrical bonding when you install the bonding strap (Ref. AMM TASK 20-28-00-912-802).

Subtask 28-28-31-420-050-H ** ON A/C NOT FOR ALL

A. Installation of the ACT Fuel-Transfer-Pump Mounting-Plate
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the PLUG-BLANKING from each disconnected line end.
(4) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-83-01-140 O-RING (3).
(5) Install the O-ring (3) in the groove of the ACT fuel-transfer-pump mounting-plate (25).
(6) Put the ACT fuel-transfer-pump mounting-plate (25) in position and install the washers (2) and the bolts (1).
(7) TORQUE the bolts (1) to between 4.64 and 3.87 m.daN (34.22 and 28.54 lbf.ft )

.
(8) Apply Primer Polyurethane Paint_- Corrosion Inhibiting Structure (Material No.04EAC2) on the bolts (1) and the washers (2).
(9) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-85-10-030 O-RING (4).
(10) Install the O-ring (4) on the elbow (9).
(11) Put the elbow (9) in position on the ACT fuel-transfer-pump mounting-plate (25).
(12) Install the elbow (9) on the ACT fuel-transfer-pump mounting-plate (25) with the washers (5) and the bolts (6).
(13) TORQUE the bolts (6) to between 1.06 and 0.82 m.daN (93.81 and 72.57 lbf.in )

.
(14) Install the pipe (14) on the ACT fuel-transfer-pump mounting-plate (25) and connect the bonding strap (13) with the bolts (12) and the nuts (24).
(15) TORQUE the nuts (24) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

.
(16) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-85-11-220 O-RING (17).
(17) Install the O-ring (17) on the pipe (15).
(18) Connect the pipe (15) to the ACT fuel-transfer-pump mounting-plate (25) with the nut (16).
(19) TORQUE the nut (16) to between 5.3 and 4.8 m.daN (39.09 and 35.40 lbf.ft )

.
(20) Apply Turbine Fuel-- Kerosene - (Material No.01ABA1) to the new AIPC 28-28-85-10-120 O-RING (20).
(21) Install the O-ring (20) on the union (19).
(22) Install the union (19) on the ACT fuel-transfer-pump mounting-plate (25).
(23) TORQUE the union (19) to between 1.3 and 1.2 m.daN (115.04 and 106.19 lbf.in )

.
(24) Put the pipe (21) in position on the union (19) and the connection bulkhead (23).
(25) TORQUE the union (18) to between 1.3 and 1.2 m.daN (115.04 and 106.19 lbf.in )

.
(26) TORQUE the union (22) to between 1.3 and 1.2 m.daN (115.04 and 106.19 lbf.in )

.
(27) Install the bonding strap (27) on the ACT fuel-transfer-pump mounting-plate (25) with the washer (28), the nut (29) and the bolt (26).
(28) TORQUE the nut (29) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

.
(29) Install the bonding strap (31) on the pipe (21) with the bolt (32) and the nut (30).
(30) TORQUE the nut (30) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

.
(31) Install the bonding strap (10) on the elbow (9) with the bolt (11), the washer (8) and the nut (7).
(32) TORQUE the nut (7) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

.
(33) Do a check of the electrical bonding (Ref. AMM TASK 20-28-00-912-802).

Subtask 28-28-31-420-051-A ** ON A/C NOT FOR ALL

B. Install the ACT fuel-transfer pump-element (Ref. AMM TASK 28-28-51-400-001).

Subtask 28-28-31-410-051-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Make sure that there are no unwanted objects and materials, tools or other equipment in the center tank.
(2) Install access cover 148AZ (Ref. AMM TASK 57-17-11-400-001).

Subtask 28-28-31-865-052-A ** ON A/C NOT FOR ALL

D. 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
121VU	FUEL/RFL/DFL/SPLY	2QU	L24
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L23
121VU	ACT PUMP SUPPLY	25QH	Q29
** ON A/C NOT FOR ALL
121VU	FUEL/RFL/DFL/SPLY	2QU	L23
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L22
121VU	FUEL/ACT/FUEL PUMP/SPLY	25QH	Q29

Subtask 28-28-31-650-050-A ** ON A/C NOT FOR ALL

E. Fuel Configuration
(1) Refuel, defuel or do a fuel transfer as necessary (Ref. AMM TASK 12-11-28-650-003), (Ref. AMM TASK 28-25-00-650-001) or (Ref. AMM TASK 28-25-00-869-001).

Subtask 28-28-31-710-050-A ** ON A/C NOT FOR ALL

F. Test(s)
(1) Do an operational check of the ACT manual transfer-system (if installed) (Ref. AMM TASK 28-28-00-710-007).
(2) Examine the fuel-transfer mounting-plate for fuel leaks. No fuel leakage is permitted.

5. Close-up
Subtask 28-28-31-942-050-A ** ON A/C NOT FOR ALL

A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the protective cover of the ACT-equipment support door (Ref. AMM TASK 57-17-11-400-003).
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

Subtask 28-28-31-410-050-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Close the right MLG door (Ref. AMM TASK 32-12-00-410-001).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 12:52:18 UTC