W DOC AIRBUS | AMM A320F

Installation of the Lube Supply and/or Common Scavenge Filters [CFMI]

TASK 79-21-10-400-003-A
Installation of the Lube Supply and/or Common Scavenge Filters

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** 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
WARNING NOTICE(S)
No specific
Torque wrench: range to between 80 and 70 lbf.in (0.90 and 0.79 m.daN ) T
No specific
Torque wrench: range to between 93 and 85 lbf.in (1.05 and 0.96 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CP2101)
graphite grease
(Material No.CP2104)
molykote G rapid
(Material No.CP2442)
engine oil
(Material No.CP8001)
lockwire 0.032 in. (0.8 mm) dia.
(Material No.CP8002)
lockwire 0.032 in. (0.8 mm) dia
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
20
O-RING
AIPC 79-21-10-01-090
30
PACKING
AIPC 79-21-10-01-110
50
COMMON SCAVENGE FILTER
AIPC 79-21-10-01-140
40
LUBE SUPPLY FILTER
AIPC 79-21-10-01-150
10
PACKING
AIPC 79-21-10-01-160
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 71-00-00-710-006-A
Minimum Idle Check
TASK 71-13-00-010-040-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-A
Closing of the Fan Cowl Doors
F Location of Supply and Common Scavenge Filters on Lubrication Unit
F Removal/Installation of Lube Supply and Common Scavenge Filters on Lubrication Unit
3. Job Set-up
Subtask 79-21-10-860-052-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
   (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
Subtask 79-21-10-010-056-A ** ON A/C NOT FOR ALL
B. Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-040)
   (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
   (2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure
Subtask 79-21-10-420-055-A ** ON A/C NOT FOR ALL
A. Installation of the Lube Supply and/or Common Scavenge Filters:
CAUTION: DO NOT FORGET TO INSTALL AN O-RING. THE ABSENCE OF THE O-RING CAN CAUSE IMPORTANT OIL LOSSES DURING ENGINE OPERATION WITH POSSIBLE ENGINE FAILURE.
   (1) Install new AIPC 79-21-10-01-160 PACKING (10) lightly coated with engine oil (Material No.CP2442) into groove on upper part of filter (40) (50) .
   (2) Ensure groove of cover is clean and install new AIPC 79-21-10-01-110 PACKING (30) lightly coated with engine oil (Material No.CP2442) .
   (3) Ensure that drain plug shoulder is clean and install new AIPC 79-21-10-01-090 O-RING (20) lightly coated with engine oil (Material No.CP2442) , onto drain plug shoulder.
   (4) Check position of clogging indicator and, if necessary, reset as follows:
     (a) Remove lockwire. Loosen and remove knurled coupling nut and transparent plug.
     (b) Reset by pushing in clogging indicator with thumb.
     (c) Lightly coat threads of knurled coupling nut with engine oil (Material No.CP2442) . Hand-tighten knurled coupling nut and transparent plug and safety with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia.
   (5) Install filter and cover.
CAUTION: ROTATION OF COVER MAY CAUSE DAMAGE TO FILTER.
CAUTION: INSTALLATION OF COVER WITHOUT O-RING CAN RESULT IN EXCESSIVE OIL LOSS DURING ENGINE OPERATION, WITH POSSIBLE ENGINE FAILURE.
CAUTION: THE OIL SUPPLY FILTER HAS A LARGER DIAMETER AND SHORTER LENGHT THAN THE OIL SCAVENGE FILTER.
     (a) Install new AIPC 79-21-10-01-150 LUBE SUPPLY FILTER (40) into housing.
     (b) Install new AIPC 79-21-10-01-140 COMMON SCAVENGE FILTER (50) into housing.
     (c) Place cover in position. Gently push cover into housing until it contacts filter housing flanges.
Subtask 79-21-10-640-050-A ** ON A/C NOT FOR ALL
B. Spray the inner edges of coupling clamp with molykote G rapid (Material No.CP2104) .
   (1) Coat bolt threads of coupling clamp with graphite grease (Material No.CP2101) .
   (2) Install coupling clamp and TORQUE bolt to between 80 and 70 lbf.in (0.90 and 0.79 m.daN ) T.
   (3) Install the drain plug.
CAUTION: DO NOT FORGET TO INSTALL AN O-RING. THE ABSENCE OF THE O-RING CAN CAUSE IMPORTANT OIL LOSSES DURING ENGINE OPERATION WITH POSSIBLE ENGINE FAILURE.
     (a) TORQUE plug to between 93 and 85 lbf.in (1.05 and 0.96 m.daN ) T and wirelock with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia.
   (4) Remove container from under the filter.
Subtask 79-21-10-710-051-A ** ON A/C NOT FOR ALL
C. Perform a minimum idle check (Ref. AMM TASK 71-00-00-710-006) and check for leaks.
5. Close-up
Subtask 79-21-10-410-052-A ** ON A/C NOT FOR ALL
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 71-13-00-410-040)
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 13:13:57 UTC
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