Installation of the Lubrication Unit [CFML]

TASK 79-21-05-400-804-A
Installation of the Lubrication Unit

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

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

WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THIS EQUIPMENT. THIS EQUIPMENT IS HEAVY (MORE THAN 12 KG (26.5 lb)) AND CAN CAUSE INJURY AND/OR DAMAGE.

WARNING: BEFORE YOU INSTALL/REMOVE THE GSE-TOOL, READ THE INSTRUCTIONS IN THE APPLICABLE GSE INSTRUCTION MANUAL. WHILE YOU OPERATE THIS TOOL, CAREFULLY OBEY THEM. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY AND/OR DAMAGE CAN OCCUR.

ZONE: 210
ZONE: 400
FIN: 6004EM

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	WARNING NOTICE(S)
No specific	Torque wrench: range to between 46.25 and 42.1 lbf.in (0.52 and 0.48 m.daN )
No specific	Torque wrench: range to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )
No specific	Torque wrench: range to between 770 and 650 lbf.in (8.70 and 7.35 m.daN )
956A7604G01	1	KIT, INSTALL - EQUIPMENTS O-RING, AGB
956A7618	1	FIXTURE, REMOVE /INSTALL - LUBRICATION UNIT
956A7649	1	JACK, REMOVE/INSTALL - BOTTOM LRU

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP2101)	graphite grease
(Material No.CP2442)	engine oil
(Material No.CP5070)	vaseline

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
13	GASKET	EIPC 79-21-05-01-140
16	GASKET	EIPC 79-21-05-01-150
21	GASKET	EIPC 79-21-05-01-160
24	GASKET	EIPC 79-21-05-01-170
27	GASKET	EIPC 79-21-05-01-180
10	GASKET	EIPC 79-21-05-01-190
33	O-RING	EIPC 79-21-05-01-200
31	O-RING	EIPC 79-21-05-01-210
30	O-RING	EIPC 79-21-05-01-220

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-79-610-805-A	Check of the Oil Level and Replenishing
TASK 71-00-00-710-815-A	Idle Leak Check
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A	Closing of the Fan Cowl Doors
TASK 72-63-12-210-801-A	Visual Inspection of the Accessory Gearbox (AGB) Sleeve of Line 5 without Special Equipment
TASK 79-21-05-400-803-A	Installation of the Oil Filter Cartridge
TASK 79-35-05-400-801-A	Installation of the Oil Filter Differential Pressure Sensor
Lubrication Unit

3. Job Set-up
Subtask 79-21-05-941-059-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) are in position to tell persons not to operate:

The ENG/MODE selector switch, and
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).

Subtask 79-21-05-010-056-A

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR.

4. Procedure
Subtask 79-21-05-420-053-A

A. Installation of the Lubrication Unit

WARNING: USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.

WARNING: BE CAREFUL WHEN YOU MOVE THE LUBRICATION UNIT. THE LUBRICATION UNIT WEIGHS 28.4 LBS (12.9 KG). INJURIES TO PERSONS CAN OCCUR.

CAUTION: MAKE SURE THAT THE TUBES DO NOT TWIST WHEN YOU LOOSEN OR TIGHTEN THE TUBE CONNECTIONS. USE A SECOND WRENCH TO HOLD THE TUBE. IF THE TUBES TWIST, DAMAGE CAN OCCUR TO THEM.

(1) Remove all the CAP - PROTECTION and COVER - PROTECTION from the openings, tubes, hoses and connectors.
(2) Make sure that the mating surfaces are clean and clear of unwanted materials.
(3) Install the 956A7618 FIXTURE, REMOVE /INSTALL - LUBRICATION UNIT on the 956A7649 JACK, REMOVE/INSTALL - BOTTOM LRU.
(4) Install the 956A7618 FIXTURE, REMOVE /INSTALL - LUBRICATION UNIT on the lubrication unit (1).
(5) Lubricate the threads of the seven bolts (28) with graphite grease (Material No.CP2101) .
(6) Lubricate the new EIPC 79-21-05-01-220 O-RING (30), the new EIPC 79-21-05-01-210 O-RING (31) and the new EIPC 79-21-05-01-200 O-RING (33) with the vaseline (Material No.CP5070) .
(7) Install the new O-ring (33) on the groove of the Accessory Gearbox (AGB) scavenge inlet port.
(8) Install the new O-ring (31) in the groove of the drive shaft (29).

NOTE: You can use the optional 956A7604G01 KIT, INSTALL - EQUIPMENTS O-RING, AGB (37) tool to install the O-ring (31) on the splined drive shaft (29) of the lubrication unit (1).

(9) Install the new O-ring (30) in the groove of the lubrication unit (1).
(10) Pull the splined sleeve (35) from the integrated drive generator spur (36) of the AGB (3).
(11) Inspect the splined sleeve (35) (Ref. AMM TASK 72-63-12-210-801).
(12) Lightly coat the splined sleeve (35) with engine oil (Material No.CP2442) .

CAUTION: DO NOT INSTALL AN O-RING ON THE SPLINE SLEEVE. IF YOU DO, DAMAGE TO THE ACCESSORY GEARBOX (AGB) AND INTEGRATED DRIVE GENERATOR (IDG) CAN OCCUR.

(13) Install the splined sleeve (35) on the drive shaft (29) and align the drive shaft (29) splines with the splined sleeve (35) splines.

NOTE: The groove without O-ring is the correct configuration.

(14) Align the drive shaft (29) of the lubrication unit (1) and the splined sleeve (35) assembly with the splines of the AGB (3).
(15) Push carefully drive shaft (29) of the lubrication unit (1) and the splined sleeve (35) assembly in the AGB (3).
(16) Make sure that the mating flange of the lubrication unit (1) is fully engaged with the AGB input pad (32).
(17) Install the seven washers (34) and the seven bolts (28) on the lubrication unit (1) and tighten them with your hand.
(18) TORQUE the seven bolts (28) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(19) Remove the 956A7618 FIXTURE, REMOVE /INSTALL - LUBRICATION UNIT from the lubrication unit (1).
(20) Connection of the oil tube (25) to the lubrication unit (1):
(a) Lubricate the threads of the four bolts (26) with graphite grease (Material No.CP2101) .
(b) Lubricate the new EIPC 79-21-05-01-180 GASKET (27) with the engine oil (Material No.CP2442) .
(c) Install the new gasket (27) and the oil tube (25) in the correct position on the lubrication unit (1).
(d) Install the four bolts (26) on the oil tube (25) and tighten them with your hand.
(e) TORQUE the four bolts (26) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(21) Connection of the oil tube (22) to the lubrication unit (1):
(a) Lubricate the threads of the four bolts (23) with graphite grease (Material No.CP2101) .
(b) Lubricate the new EIPC 79-21-05-01-170 GASKET (24) with the engine oil (Material No.CP2442) .
(c) Install the new gasket (24) and the oil tube (22) in the correct position on the lubrication unit (1).
(d) Install the four bolts (23) on the oil tube (22) and tighten them with your hand.
(e) TORQUE the four bolts (23) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(22) Connection of the oil tube (19) to the lubrication unit (1):
(a) Lubricate the threads of the three bolts (20) with graphite grease (Material No.CP2101) .
(b) Lubricate the new EIPC 79-21-05-01-160 GASKET (21) with the engine oil (Material No.CP2442) .
(c) Install the new gasket (21) and the oil tube (19) in the correct position on the lubrication unit (1).
(d) Install the three bolts (20) on the oil tube (19) and tighten them with your hand.
(e) TORQUE the three bolts (20) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(23) Connection of the oil tube (17) to the lubrication unit (1):
(a) Lubricate the threads of the coupling nut (18) with the graphite grease (Material No.CP2101) .

CAUTION: MAKE SURE THAT: - THE OIL TUBE AND THE UNION ARE AXIALLY ALIGNED, AND - THERE IS NO STRESS ON THE OIL TUBE AFTER ITS INSTALLATION. INCORRECT ALIGNMENT OF THE OIL TUBE AND UNION, OR STRESS ON THE OIL TUBE CAN CAUSE OIL LEAKAGE.

(b) Install the oil tube (17) in the correct position on the lubrication unit (1).
(c) Tighten the coupling nut (18) on the oil tube (17) with your hand.
(d) TORQUE the coupling nut (18) to between 770 and 650 lbf.in (8.70 and 7.35 m.daN )

.
(24) Connection of the oil tube (14) to the lubrication unit (1):
(a) Lubricate the threads of the four bolts (15) with graphite grease (Material No.CP2101) .
(b) Lubricate the new EIPC 79-21-05-01-150 GASKET (16) with the engine oil (Material No.CP2442) .
(c) Install the new gasket (16) and the oil tube (14) in the correct position on the lubrication unit (1).
(d) Install the four bolts (15) on the oil tube (14) and tighten them with your hand.
(e) TORQUE the four bolts (15) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(25) Connection of the oil tube (11) to the lubrication unit (1):
(a) Lubricate the threads of the three bolts (12) with graphite grease (Material No.CP2101) .
(b) Lubricate the new EIPC 79-21-05-01-140 GASKET (13) with the engine oil (Material No.CP2442) .
(c) Install the new gasket (13) and the oil tube (11) in the correct position on the lubrication unit (1).
(d) Install the bracket (7) in correct position on the oil tube (11).
(e) Install the three bolts (12) on the oil tube (11) and tighten them with your hand.
(f) TORQUE the three bolts (12) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(26) Connection of the oil tube (8) to the lubrication unit (1):
(a) Lubricate the threads of the four bolts (9) with graphite grease (Material No.CP2101) .
(b) Lubricate the new EIPC 79-21-05-01-190 GASKET (10) with the engine oil (Material No.CP2442) .
(c) Install the new gasket (10) and the oil tube (8) in the correct position on the lubrication unit (1).
(d) Install the four bolts (9) on the oil tube (8) and tighten them with your hand.
(e) TORQUE the four bolts (9) to between 120.7 and 109.3 lbf.in (1.36 and 1.24 m.daN )

.
(27) Connection of the HJ3A electrical harness (4):
(a) Install the bolt (5) that attaches the clamp (6) on the bracket (7) and tighten it with your hand.
(b) TORQUE the bolt (5) to between 46.25 and 42.1 lbf.in (0.52 and 0.48 m.daN )

.
(28) Install the oil filter cartridge (Ref. AMM TASK 79-21-05-400-803).
(29) Install the oil filter differential pressure sensor (2) (Ref. AMM TASK 79-35-05-400-801).
(30) Fill the oil tank (Ref. AMM TASK 12-13-79-610-805).

Subtask 79-21-05-710-053-A

B. Test
(1) Do the idle leak check (Ref. AMM TASK 71-00-00-710-815).

5. Close-up
Subtask 79-21-05-410-053-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR.
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 13:04:36 UTC