W DOC AIRBUS | AMM A320F

Installation of the Fuel Cooled Oil Cooler [IAE]

TASK 79-21-43-400-010-B
Installation of the Fuel Cooled Oil Cooler

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
  • FLUSH IT AWAY WITH CLEAN WATER
  • GET MEDICAL AID.
WARNING: BE CAREFUL DURING REMOVAL INSTALLATION OF THE FUEL COOLED OIL COOLER. IT WEIGHS 33lb (15kg).
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 6003EM ** 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 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T
No specific
Torque wrench: range to between 22 and 18 lbf.in (0.25 and 0.20 m.daN ) T
No specific
Torque wrench: range to between 44 and 36 lbf.in (0.50 and 0.41 m.daN ) T
No specific
Torque wrench: range to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T
No specific
Torque wrench: range to between 85 and 75 lbf.in (0.96 and 0.85 m.daN ) T
No specific
Torque wrench: range to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T
No specific
Torque wrench: range to between 120 and 110 lbf.in (1.36 and 1.24 m.daN ) T
No specific
Torque wrench: range to between 125 and 110 lbf.in (1.41 and 1.24 m.daN ) T
No specific
Torque wrench: range to between 177 and 159 lbf.in (2.00 and 1.80 m.daN ) T
No specific
Torque wrench: range to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T
No specific
Torque wrench: range to between 221 and 204 lbf.in (2.50 and 2.31 m.daN ) T
No specific
Torque wrench: range to between 275 and 250 lbf.in (3.11 and 2.83 m.daN ) T
No specific
Torque wrench: range to between 611 and 566 lbf.in (6.90 and 6.40 m.daN ) T
IAE1J13400
1
WRENCH-SPECIAL
IAE1R18003
1
WRENCH
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V01-002)
cleaning fluid
(Material No.V02-119)
corrosion resistant steel lockwire
(Material No.V02-126)
lockwire
(Material No.V02-147)
lockwire
(Material No.V10-060)
liquid paraffin
(Material No.V10-077)
lubricant (engine oil)
(Material No.14SBA1)
Textile-Lint free Cotton -
 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
13
SEALING RING
AIPC 73-11-49-78-150
25
SEALING RING
AIPC 73-11-49-78-150
15
SEALING RING
AIPC 73-11-49-78-160
20
SEALING RING
AIPC 73-11-49-80-040
18
SEALING RING
AIPC 73-11-49-80-050
23
SEALING RING
AIPC 73-11-49-80-050
69
RING
AIPC 73-11-49-81-200
65
RING
AIPC 73-11-49-81-210
104
SEALING RING
AIPC 73-12-41-81-165
58
SEALING RING
AIPC 73-12-41-81-360
61
SEALING RING
AIPC 73-12-41-81-390
6
SEALING RING
AIPC 73-12-42-80-070
8
PACKING
AIPC 73-12-42-80-090
64
PACKING
AIPC 73-13-42-80-140
9
SEALING RING
AIPC 79-21-43-80-020
101
SEALING RING
AIPC 79-21-43-80-060
55
SEALING RING
AIPC 79-21-43-80-060
47
SEALING RING
AIPC 79-21-49-83-010
50
SEALING RING
AIPC 79-21-49-83-010
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 12-13-79-610-011-A
Check Oil Level and Replenish
TASK 24-21-42-400-010-B
Installation of the Fuel-Cooled IDG Oil-Cooler
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
TASK 70-23-13-911-010-A
Procedures for the Installation of Preformed Packings
TASK 70-23-15-912-010-A
Connection of Electrical Connectors
TASK 70-40-11-911-014-A
Locking Devices General Information
TASK 71-00-00-710-012-B
Test No.3 : Idle Leak Check
TASK 71-00-00-710-045-A
Test No.1 : Dry Motor Leak Check
TASK 71-13-00-010-010-A
Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A
Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 73-12-42-400-010-B
Installation of the Fuel Filter Element
TASK 73-13-42-400-010-A
Installation of the Fuel Diverter and Return Valve
F Fuel Cooled Oil Cooler
F Fuel Cooled Oil Cooler
F Fuel Cooled Oil Cooler
F Fuel Cooled Oil Cooler
F Clipping Points
F Drain Plug and Electrical Connector
F Drain Plug and Electrical Connector SBE 73-0071 (A5 Series)
3. Job Set-up
Subtask 79-21-43-860-052-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 79-21-43-865-051-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1000EM1 (ENGINE1)
49VUFUEL/LP VALVE/MOT1/ENG11QGA08
121VUFUEL/LP VALVE/MOT2/ENG13QGM25
FOR FIN: 1000EM2 (ENGINE2)
49VUFUEL/LP VALVE/MOT1/ENG22QGA09
121VUFUEL/LP VALVE/MOT2/ENG24QGM26
Subtask 79-21-43-010-062-A ** ON A/C NOT FOR ALL
C. Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
   (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
   (2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure
Subtask 79-21-43-410-055-A ** ON A/C NOT FOR ALL
A. Install the FDRV on the FCOC (Ref. AMM TASK 73-13-42-400-010)
NOTE: Do not install the FCOC or the FDRV separately on the engine. Install the FCOC and the FDRV on the engine as an assembly.
Subtask 79-21-43-420-078-A ** ON A/C NOT FOR ALL
CAUTION: MAKE SURE THE FUEL FILTER IS INSTALLED INTO THE FCOC. RUNNING THE ENGINE WITHOUT THE FUEL FILTER INSTALLED CAN DAMAGE THE ENGINE AND ITS COMPONENTS. LOCKWIRE AT THE FUEL FILTER ENDCAP BOLTS DOES NOT INDICATE THE PRESENCE OF THE FUEL FILTER.
B. Install the FCOC
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL

PRE SBE 79-0075
PRE SBE 79-0076

   (1) Install the FCOC and attach it with the bolts (77) and (85), the nuts (78) and (79) and the bush (82).
   (2) Install the pin (74) and attach it with the bolt (76).
   (3) Install the bonding straps (73) and (83) with the bolts (71) and (80), the washers (72) and (81) and the nuts (75) and (84).
NOTE: Make sure the FCOC is in the correct position on the fan case. If it is not in the correct position, you cannot install the oil/fuel tubes.
Subtask 79-21-43-420-079-A ** ON A/C NOT FOR ALL
CAUTION: MAKE SURE THE FUEL FILTER IS INSTALLED INTO THE FCOC. RUNNING THE ENGINE WITHOUT THE FUEL FILTER INSTALLED CAN DAMAGE THE ENGINE AND ITS COMPONENTS. LOCKWIRE AT THE FUEL FILTER ENDCAP BOLTS DOES NOT INDICATE THE PRESENCE OF THE FUEL FILTER.
C. Install the FCOC
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL

SBE 79-0075: Oil-Fuel cooled oil cooler-Introduction of revised FCOC upper mount

SBE 79-0076: Oil-Fuel cooled oil cooler-Introduction of an FCOC with revised top mount assembly

   (1) Install the FCOC and attach it with the bolts (77) and (85), the nuts (78) and (79) and the bush (82).
   (2) Install the bolt (95) and the nut (97).
   (3) Install the bonding straps (94) and (83) with the bolts (88), (92) and (80), the washers (93), (87) and (81) and the nuts (86) and (84).
NOTE: Make sure the FCOC is in the correct position on the fan case. If it is not in the correct position, you cannot install the oil/fuel tubes.
Subtask 79-21-43-420-080-A ** ON A/C NOT FOR ALL
D. TORQUE the nuts (78) and (79) to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
Subtask 79-21-43-420-081-A ** ON A/C NOT FOR ALL
E. Pre SBE 79-0075 and Pre 79-0076
   (1) TORQUE the bolt (76) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
Subtask 79-21-43-420-082-A ** ON A/C NOT FOR ALL
F. SBE 79-0075 and SBE 79-0076
   (1) TORQUE the bolt (95) to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL

END OF SBE 79-0075 AND 79-0076

Subtask 79-21-43-420-083-A ** ON A/C NOT FOR ALL
G. Pre SBE 79-0075 and Pre SBE 79-0076
   (1) TORQUE the nuts (75) and (84) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
Subtask 79-21-43-420-084-A ** ON A/C NOT FOR ALL
H. SBE 79-0075 and SBE 79-0076
   (1) Torque the nuts (86) and (84) and the bolt (92) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL

END OF SBE 79-0075 AND SBE 79-0076

Subtask 79-21-43-420-085-A ** ON A/C NOT FOR ALL
I. Connect the drain tube (70) to the FDRV.
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
Subtask 79-21-43-420-086-A ** ON A/C NOT FOR ALL
J. TORQUE the union nut of the drain tube (70) to between 125 and 110 lbf.in (1.41 and 1.24 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
Subtask 79-21-43-420-087-A ** ON A/C NOT FOR ALL
K. Install the fuel tube (68).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
   (1) Install the AIPC 73-11-49-81-210 RING (65) and AIPC 73-11-49-81-200 RING (69) on the tube (68) (Ref. AMM TASK 70-23-13-911-010).
   (2) Attach the tube (68) to the FCOC and HP fuel pump with the bolts (66) and (67).
   (3) TORQUE the bolts (66) and (67) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 79-21-43-420-088-A ** ON A/C NOT FOR ALL
L. Install the fuel tube (62).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
   (1) Install the AIPC 73-13-42-80-140 PACKING (64) on the tube (62) (Ref. AMM TASK 70-23-13-911-010).
   (2) Attach the tube (62) to the FDRV with the bolts (63).
   (3) TORQUE the bolts (63) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 79-21-43-420-089-A ** ON A/C NOT FOR ALL
M. Install the fuel tube (56).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
   (1) Install the AIPC 73-12-41-81-360 SEALING RING (58) and AIPC 73-12-41-81-390 SEALING RING (61) on the tube (56) and seal housing (60) (Ref. AMM TASK 70-23-13-911-010).
   (2) Attach the tube (56), the fire shield (59) and the seal housing (60) to the FDRV with the bolts (57).
   (3) Connect the fuel tube (56) to the fuel tube (99).
   (4) TORQUE the union nut to between 611 and 566 lbf.in (6.90 and 6.40 m.daN ) T using a IAE1R18003 WRENCH.
   (5) TORQUE the bolts (57) to between 85 and 75 lbf.in (0.96 and 0.85 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (6) Safety the tube (56) nut with the lockwire (Material No.V02-126) .
Subtask 79-21-43-420-090-A ** ON A/C NOT FOR ALL
N. Install the fuel tube (53).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL

Pre SBE 73-0078

   (1) Install the AIPC 79-21-43-80-060 SEALING RING (55) on the tube (53) (Ref. AMM TASK 70-23-13-911-010).
   (2) Attach the tube (53) to the FDRV with the bolts (54).
   (3) TORQUE the bolts (54) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 79-21-43-420-091-A ** ON A/C NOT FOR ALL
O. Install the fuel tube (98).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL

SBE 73-0078: Engine - Fuel and control - Introduce a repositioned FCOC fuel flow restrictor and associated fuel tubes

   (1) Install the AIPC 79-21-43-80-060 SEALING RING (101) and AIPC 73-12-41-81-165 SEALING RING (104) on the tubes (98) and (99) (Ref. AMM TASK 70-23-13-911-010).
   (2) Attach the tube (98) to the tube (99) and to the FDRV with the bolts (100) and (102) and the nuts (103).
   (3) TORQUE the bolts (100) and (102) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).

END OF SBE 73-0078

Subtask 79-21-43-420-092-A ** ON A/C NOT FOR ALL
P. Install the oil tubes (48) and (52).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
   (1) Install the AIPC 79-21-49-83-010 SEALING RING (47) and AIPC 79-21-49-83-010 SEALING RING (50) on the tubes (48) and (52) (Ref. AMM TASK 70-23-13-911-010).
   (2) Attach the tubes (48) and (52) to the FCOC with the bolts (49) and (51).
   (3) TORQUE the bolts (49) and (51) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 79-21-43-420-093-A ** ON A/C NOT FOR ALL
Q. Install the fuel tube (16).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
F Clipping Points ** ON A/C NOT FOR ALL
   (1) Install the AIPC 73-11-49-78-150 SEALING RING (13), AIPC 73-11-49-78-160 SEALING RING (15) and AIPC 73-11-49-78-150 SEALING RING (25) on the tube (16) and the seal housing (14) (Ref. AMM TASK 70-23-13-911-010).
   (2) Installation of the fuel tube.
CAUTION: MAKE SURE THAT YOU INSTALL THE FUEL TUBE CENTRALLY IN THE SEAL HOUSING. IF YOU DO NOT, DAMAGE TO THE SEAL HOUSING CAN OCCUR.
     (a) Attach the tube (16) and the seal housing (14) to the FDRV and the FMU with the bolts (17) and (24).
   (3) Hand tighten the bolts (17) and (24) at the FDRV and the FMU ends first. Gradually tighten the bolts alternatively at both ends to put the tube (16) at a central position inside the housing.
NOTE: If the P clamp clipping points of tube (16) were not disassembled during removal, the P clamp clipping points can be loosened to allow centralization of the tube in the housing.
   (4) TORQUE the bolts (17) and (24) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) Assemble clipping point 1072 with the bolt (28) and the spacer (29).
   (6) Assemble clipping point 0922 with the bolt (42), the washer (45), the spacer (44) and the nut (46).
   (7) Assemble clipping point 0921 with the bolt (33), the washer (34) and the nut (35).
   (8) Assemble clipping points 0789 with the bolt (38), the washer (37), the spacers (122) and (123) and the nut (36).
   (9) Assemble clipping point 0795 with the bolt (39), the washer (40) and the spacers (41) and (124).
   (10) TORQUE the bolts (28) and (39) and the nuts (35), (36) and (46) to between 45 and 36 lbf.in (0.51 and 0.41 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 79-21-43-420-095-A ** ON A/C NOT FOR ALL
R. Install the fuel tube (21).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
   (1) Lubricate the new AIPC 73-11-49-80-050 SEALING RING (18), AIPC 73-11-49-80-040 SEALING RING (20) and AIPC 73-11-49-80-050 SEALING RING (23) with liquid paraffin (Material No.V10-060) or V10-077lubricant (engine oil).
   (2) Install the AIPC 73-11-49-80-050 SEALING RING (18), AIPC 73-11-49-80-040 SEALING RING (20) and AIPC 73-11-49-80-050 SEALING RING (23) on the tube (21) and the seal housing (19) (Ref. AMM TASK 70-23-13-911-010).
   (3) Installation of the fuel tube.
CAUTION: MAKE SURE THAT YOU INSTALL THE FUEL TUBE CENTRALLY IN THE SEAL HOUSING. IF YOU DO NOT, DAMAGE TO THE SEAL HOUSING CAN OCCUR.
     (a) Attach the tube (21), the seal housing (19) and the bracket (26) to the FDRV and the IDG FCOC with the bolts (22) and (27).
   (4) Hand tighten the bolts (22) and (27) at the FDRV and the IDG FCOC ends first. Gradually tighten the bolts alternatively at both ends to put the tube (21) at a central position inside the housing.
   (5) TORQUE the bolts (22) and (27) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
Subtask 79-21-43-420-096-A ** ON A/C NOT FOR ALL
S. Install the fuel tubes (11) and (12).
F Fuel Cooled Oil Cooler ** ON A/C NOT FOR ALL
   (1) Connect the fuel tubes (11) and (12) to the FDRV.
   (2) TORQUE the nut of tube (11) to between 177 and 159 lbf.in (2.00 and 1.80 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (3) TORQUE the nut of the tube (12) to between 221 and 204 lbf.in (2.50 and 2.31 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (4) Safety the nuts of the tubes with the lockwire (Material No.V02-147) (Ref. AMM TASK 70-40-11-911-014).
Subtask 79-21-43-420-097-A ** ON A/C NOT FOR ALL
T. A5 series: Connection of the electrical connectors

PRE SBE 73-0071
PRE SBE 71-0183

   (1) Connect the electrical connectors (1), (2), (3) and (4) (Ref. AMM TASK 70-23-15-912-010).
F Drain Plug and Electrical Connector ** ON A/C NOT FOR ALL
Subtask 79-21-43-420-098-A ** ON A/C NOT FOR ALL
U. A5 series: Connection of the electrical connectors (1), (2), (3) and (4)

SBE 73-0071: Fuel and Control - Replacement of fuel temperature thermocouple with stud and nut terminations

SBE 71-0183: Power Plant - Electrical Harnesses - Introduction of production standard EEC harness to suit FCOC fuel temperature thermocouple with stud type thermocouple

   (1) Connect the electrical connectors (1), (2), (3) (Ref. AMM TASK 70-23-15-912-010).
F Drain Plug and Electrical Connector ** ON A/C NOT FOR ALL
   (2) Connect the electrical connector (4) 4017KS-A (Ref. AMM TASK 70-23-15-912-010).
F Drain Plug and Electrical Connector SBE 73-0071 (A5 Series) ** ON A/C NOT FOR ALL
     (a) If the thermocouple is not to be removed, remove and install the two thermocouple securing bolts (105) one at a time.
     (b) Remove the two bolts (105) that secure the thermocouple to the FCOC.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
     (c) Remove the grease, the fingerprints and the unwanted material from the mating surfaces of the ground terminals and themocouple earth positions with cleaning fluid (Material No.V01-002) inhibited and stabilized trichloroethane. Use a clean lint-free cotton cloth Textile-Lint free Cotton - (Material No.14SBA1) moistened with solvent.
     (d) Install the harness ground terminal connectors on the two bolts (105). Install the two bolts and TORQUE to between 105 and 85 lbf.in (1.19 and 0.96 m.daN ) T.
CAUTION: YOU MUST NOT EXCEED THE RECOMMENDED TORQUE VALUES. OVER TORQUING CAN RESULT IN FRACTURE OF THE THERMOCOUPLE STUDS.
     (e) Install channel A and B thermocouple lead assemblies on the fuel temperature thermocouple studs.Install the two nuts (107) on the top studs and TORQUE to between 22 and 18 lbf.in (0.25 and 0.20 m.daN ) T. Install the two nuts (106) on the bottom studs and TORQUE to between 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T.
     (f) Adjust the harness clips as necessary to obtain the correct clearance and drip loop. TORQUE the clip bolt/nut to between 44 and 36 lbf.in (0.50 and 0.41 m.daN ) T.
Subtask 79-21-43-420-099-A ** ON A/C NOT FOR ALL
V. Install the fuel drain plug.
F Drain Plug and Electrical Connector ** ON A/C NOT FOR ALL
   (1) Install the plug (7), if necessary.
     (a) Install the AIPC 73-12-42-80-090 PACKING (8) on the plug (7) (Ref. AMM TASK 70-23-13-911-010).
     (b) Install the plug (7) on the FCOC. Use the IAE1J13400 WRENCH-SPECIAL.
     (c) TORQUE the plug (7) to between 275 and 250 lbf.in (3.11 and 2.83 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (2) Install the AIPC 73-12-42-80-070 SEALING RING (6) on the fuel drain plug (5) (Ref. AMM TASK 70-23-13-911-010).
   (3) Install the drain plug (5) on the FCOC.
   (4) TORQUE the fuel drain plug (5) to between 120 and 110 lbf.in (1.36 and 1.24 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (5) Safety the drain plug (5) with the corrosion resistant steel lockwire (Material No.V02-119) (Ref. AMM TASK 70-40-11-911-014).
Subtask 79-21-43-420-100-A ** ON A/C NOT FOR ALL
W. Install the oil drain plug (10).
F Drain Plug and Electrical Connector ** ON A/C NOT FOR ALL
   (1) Install the AIPC 79-21-43-80-020 SEALING RING (9) on the oil drain plug (10) (Ref. AMM TASK 70-23-13-911-010).
   (2) Install the drain plug (10) on the FCOC.
   (3) TORQUE the oil drain plug (10) to between 120 and 110 lbf.in (1.36 and 1.24 m.daN ) T (Ref. AMM TASK 70-23-11-911-013).
   (4) Safety the drain plug (10) with the corrosion resistant steel lockwire (Material No.V02-119) (Ref. AMM TASK 70-40-11-911-014).
Subtask 79-21-43-420-101-A ** ON A/C NOT FOR ALL
X. Install the drain plug on the IDG FCOC. (Ref. AMM TASK 24-21-42-400-010)
Subtask 79-21-43-420-102-A ** ON A/C NOT FOR ALL
Y. Install the fuel filter element (Ref. AMM TASK 73-12-42-400-010).
Subtask 79-21-43-612-052-A ** ON A/C NOT FOR ALL
Z. Fill the oil system (Ref. AMM TASK 12-13-79-610-011).
Subtask 79-21-43-865-053-A ** ON A/C NOT FOR ALL
AA. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
FOR FIN: 1000EM1 (ENGINE1)
49VUFUEL/LP VALVE/MOT1/ENG11QGA08
121VUFUEL/LP VALVE/MOT2/ENG13QGM25
FOR FIN: 1000EM2 (ENGINE2)
49VUFUEL/LP VALVE/MOT1/ENG22QGA09
121VUFUEL/LP VALVE/MOT2/ENG24QGM26
Subtask 79-21-43-790-052-A ** ON A/C NOT FOR ALL
AB. Do an idle leak check (Ref. AMM TASK 71-00-00-710-012).
NOTE: A dry motor leak check (Ref. AMM TASK 71-00-00-710-045) may be used to check for leaks, but this must be followed by an idle leak check (Ref. AMM TASK 71-00-00-710-012).
Subtask 79-21-43-612-054-A ** ON A/C NOT FOR ALL
AC. Check the oil system.
   (1) Once an idle leak has been performed, it is required to check oil levels and ensure that the oil system is full (Ref. AMM TASK 12-13-79-610-011).
5. Close-up
Subtask 79-21-43-410-056-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 cowls (Ref. AMM TASK 71-13-00-410-010).
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (3) Remove the access platform(s).
   (4) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 13:05:59 UTC
"Aviabrain" 2025