DOC AIRBUS | AMM A320FInstallation of the Fuel Nozzle Supply Tubes [PW11]
TASK 73-11-49-400-803-A
Installation of the Fuel Nozzle Supply Tubes
Use this procedure to install the fuel tubes.
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 73-11-49-941-065-A ** ON A/C NOT FOR ALL
Subtask 73-11-49-410-058-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 13:03:15 UTC
Installation of the Fuel Nozzle Supply Tubes
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
1. Reason for the JobUse this procedure to install the fuel tubes.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 1M(3 FT) |
| No specific | 1 | MARKER - TEMPORARY, MEDIUM |
| No specific | Torque wrench: range to between 44 and 38 lbf.in (0.50 and 0.43 m.daN )  | |
| No specific | Torque wrench: range to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ) | |
| No specific | Torque wrench: range to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) | |
| PWA109773 | 1 | AIRFLOW ADAPTER |
| PWA211308 | 1 | LEAK CHECK ADAPTER |
| PWA211624 | 1 |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.P03-001) | lubricant, aircraft turbine engine |
| (Material No.P05-007) | Leak Check fluid |
| (Material No.P06-053) | Sealing Ring Lubricant |
| (Material No.P06-054) | Compound, Paste, Anti-Seize |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR, 461AL, 462AR | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 1 | PACKINGS | EIPC 73-11-49-01-010 |
| 1 | PACKINGS | EIPC 73-11-49-01-050 |
| 1 | PACKINGS | EIPC 73-11-49-01-090 |
| 1 | PACKINGS | EIPC 73-11-49-01-130 |
| 1 | PACKINGS | EIPC 73-11-49-01-170 |
| 1 | PACKINGS | EIPC 73-11-49-01-190 |
| 1 | PACKINGS | EIPC 73-11-49-01-210 |
| 1 | PACKINGS | EIPC 73-11-49-01-290 |
| 1 | PACKINGS | EIPC 73-11-49-01-330 |
| 1 | PACKINGS | EIPC 73-11-49-02-010 |
| 1 | PACKINGS | EIPC 73-11-49-02-050 |
| 1 | PACKINGS | EIPC 73-11-49-02-210 |
| 1 | PACKINGS | EIPC 73-11-49-02-250 |
| 1 | PACKINGS | EIPC 73-11-49-02-290 |
| 1 | PACKINGS | EIPC 73-11-49-03-050 |
| 1 | PACKINGS | EIPC 73-11-49-03-090 |
| 1 | PACKINGS | EIPC 73-11-49-03-100 |
| 1 | PACKINGS | EIPC 73-11-49-03-130 |
| 1 | PACKINGS | EIPC 73-11-49-03-170 |
| 1 | PACKINGS | EIPC 73-11-49-03-250 |
| 1 | PACKINGS | EIPC 73-11-49-04-010 |
| 1 | PACKINGS | EIPC 73-11-49-04-050 |
| 1 | PACKINGS | EIPC 73-11-49-04-090 |
| 1 | PACKINGS | EIPC 73-11-49-04-130 |
| 1 | PACKINGS | EIPC 73-11-49-04-170 |
| 1 | PACKINGS | EIPC 73-11-49-04-210 |
| 1 | PACKINGS | EIPC 73-11-49-04-250 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-21-51-400-803-A | Installation of the Integrated Drive Generator - IDG 1(2) |
| TASK 71-00-00-720-811-A | Test No. 3A - Idle Power Test |
| TASK 71-00-00-860-833-A | Procedure to Prevent Engine Motoring |
| TASK 71-13-00-010-802-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-802-A | Closing of the Fan Cowl Doors |
| TASK 73-11-03-000-801-A | Removal of the Fuel Flow Divider |
| TASK 73-11-03-400-801-A | Installation of the Fuel Flow Divider |
| TASK 75-26-01-400-801-A | Installation of the Buffer Air Heat Exchanger |
| TASK 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-30-00-440-805-A | Reactivation of the Thrust Reverser System after Ground Maintenance |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 78-36-00-410-802-A | Closing of the Thrust Reverser Cowl-Doors |
| TASK 79-21-11-400-802-A | Installation of the Air/Oil Heat Exchanger (AOHX) |
Subtask 73-11-49-941-065-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
Subtask 73-11-49-010-065-A ** ON A/C NOT FOR ALL (1) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 73-11-49-040-054-A ** ON A/C NOT FOR ALL (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
C. Deactivation of the Thrust Reverser System for Maintenance
Subtask 73-11-49-010-066-A ** ON A/C NOT FOR ALL WARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Make sure that you did the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805). D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
4. Procedure(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
CAUTION:
USE A SECOND WRENCH TO HOLD THE MATING PARTS WHEN YOU LOOSEN OR TIGHTEN THE TUBE OR HOSE NUTS. IF YOU DO NOT OBEY THIS CAUTION, YOU CAN TWIST OR CAUSE DAMAGE TO THE TUBES OR HOSES.
Subtask 73-11-49-420-056-A ** ON A/C NOT FOR ALL A. Installation of the Fuel Nozzle Supply Tubes
(1) Removal of the protection covers:
(2) Find and mark the notch located at the top (12 o'clock) position on the diffuser case with a MARKER - TEMPORARY, MEDIUM
(3) Use the top position to identify the installation locations for each of the supply tubes.
(5) Install the fuel tube (FS44) (3) to the No. 18 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 18 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(6) Install the fuel tube (FS31) (2) to the No. 18 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 18 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(7) Install the fuel tube (FS44) (3) to the No. 1 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(8) Install the fuel tube (FS31) (2) to the No. 1 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(9) Install the fuel tube (FS44) (3) to the No. 2 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(10) Install the fuel tube (FS31) (2) to the No. 2 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(11) Install the fuel tube (FS46) (14) to the No. 3 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS46) (14).
(c) Install the fuel tube (FS46) (14) to the No. 3 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(12) Install the fuel tube (FS47) (13) to the No. 4 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS47) (13).
(c) Install the fuel tube (FS47) (13) to the No. 4 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(13) Install the fuel tube (FS47) (13) to the No. 5 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS47) (13).
(c) Install the fuel tube (FS47) (13) to the No. 5 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(14) Install the fuel tube (FS49) (25) to the No. 6 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 6 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(15) Install the fuel tube (FS33) (24) to the No. 6 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 6 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(16) Install the fuel tube (FS49) (25) to the No. 7 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 7 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(17) Install the fuel tube (FS33) (24) to the No. 7 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 7 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(18) Install the fuel tube (FS49) (25) to the No. 8 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 8 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(19) Install the fuel tube (FS33) (24) to the No. 8 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 7 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(20) Install the fuel tube (FS49) (25) to the No. 9 fuel nozzle and manifold (FS01) as follows:
Installation of the Fuel Nozzle Supply Tubes (FS33), (FS37), (FS49) and (FS54) ** ON A/C NOT FOR ALL
(a) Apply P03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 9 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(21) Install the fuel tube (FS33) (24) to the No. 9 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 9 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(22) Install the fuel tube (FS54) (36) to the No. 10 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS54) (36).
(c) Install the fuel tube (FS54) (36) to the No. 10 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(23) Install the fuel tube (FS37) (35) to the No. 10 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS37) (35).
(c) Install the fuel tube (FS37) (35) to the No. 10 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(24) Install the heat shield (48) to the engine brackets with the four washers (46) and four bolts (47)
(25) TORQUE the four bolts (47) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN ).
(26) Install the fuel tube (FS55) (60) to the No. 11 fuel nozzle and manifold (FS01) as follows:
Installation of the Fuel Nozzle Supply Tubes (FS38), (FS55), (FS56) and (FS57) ** ON A/C NOT FOR ALL
(a) Apply P03-001 lubricant, aircraft turbine engine
(b) ApplyP06-054 Compound, Paste, Anti-Seize
(d) Install the fuel tube (FS55) (60) to the No. 11 fuel nozzle and manifold (FS01).
(e) Install the clamp (63) to the tube (60) and bracket with the bolt (62) fingertight.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(g) Loosen the B-nuts to zero.
(h) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(j) TORQUE the bolt (62) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ).
(27) Install the fuel tube (FS38) (61) to the No. 11 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS38) (61).
(c) Install the fuel tube (FS38) (61) to the No. 11 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(28) Install the fuel tube (FS56) (59) to the No. 12 fuel nozzle and manifold (FS01) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) ApplyP06-054 Compound, Paste, Anti-Seize
(d) Install the fuel tube (FS56) (59) to the No. 12 fuel nozzle and manifold (FS01).
(e) Install the clamp (63) to the tube (59) and bracket with the bolt (62) fingertight.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(g) Loosen the B-nuts to zero.
(h) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(j) TORQUE the bolt (62) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ).
(29) Install the fuel tube (FS57) (58) to the No. 13 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS57) (58).
(c) Install the fuel tube (FS57) (58) to the No. 13 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(30) Install the fuel tube (FS58) (71) to the No. 14 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS58) (71).
(c) Install the fuel tube (FS58) (71) to the No. 14 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(31) Install the air duct (AD02) to the air/oil heat exchanger (Ref. AMM TASK 79-21-11-400-802).
(32) Install the fuel tube (FS31) (2) to the No. 15 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 15 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(33) Install the fuel tube (FS44) (3) to the No. 15 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 15 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(34) Install the fuel tube (FS44) (3) to the No. 16 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 16 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(35) Install the fuel tube (FS31) (2) to the No. 16 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 16 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(36) Install the fuel tube (FS44) (3) to the No. 17 fuel nozzle and manifold (FS02) as follows:
(a) ApplyP03-001 lubricant, aircraft turbine engine
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 17 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
(e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(h) Remove the fuel divider valve (Ref. AMM TASK 73-11-03-000-801).
(i) Install the fuel tube (FS31) (2) to the No. 17 fuel nozzle and manifold (FS02) as follows:
1 ApplyP03-001 lubricant, aircraft turbine engine
2 Install the two new packings (1) to the fuel tube (FS31) (2).
3 Install the fuel tube (FS31) (2) to the No. 17 fuel nozzle and manifold (FS02).
4 TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
5 Loosen the B-nuts to zero.
6 TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ).
.
(j) Do a leak check of the fuel system by the procedure that follows:
1 Install the PWA211308 LEAK CHECK ADAPTER to the large B-nut on the fuel supply manifold (FS01).
2 Pressurize the system to 45 psi (3.103 bar) - 55 psi (3.792 bar) with air.
4 Keep the pressure for five minutes.
(k) Do a second leak check of the fuel system by the procedure that follows:
1 Install the PWA109773 AIRFLOW ADAPTER to the small B-nut on the fuel supply manifold (FS01).
2 Pressurize the system to 45 psi (3.103 bar) - 55 psi (3.792 bar) with air.
4 Keep the pressure for five minutes.
(l) If you do not find leaks, install the fuel flow divider valve (Ref. AMM TASK 73-11-03-400-801).
(37) If necessary, install the AC Generator - Integrated Drive Generator (IDG) (Ref. AMM TASK 24-21-51-400-803).
(38) If necessary, install the buffer air heat exchanger (Ref. AMM TASK 75-26-01-400-801).
(39) Examine the assembly for foreign objects, damage, and correct assembly.
5. Close-up(1) Removal of the protection covers:
CAUTION:
REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.
(a) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine. (2) Find and mark the notch located at the top (12 o'clock) position on the diffuser case with a MARKER - TEMPORARY, MEDIUM
(3) Use the top position to identify the installation locations for each of the supply tubes.
CAUTION:
BE CAREFUL WHEN YOU USE THE TORQUE ADAPTER TO TIGHTEN THE TUBE NUTS. IF YOU DO NOT CALCULATE THE CORRECT TORQUE, YOU CAN TWIST OR DAMAGE THE TUBES.
(4) If necessary, torque all of the B-nuts that follow with the PWA211624 (5) Install the fuel tube (FS44) (3) to the No. 18 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 18 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
.NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) .(6) Install the fuel tube (FS31) (2) to the No. 18 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 18 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (7) Install the fuel tube (FS44) (3) to the No. 1 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (8) Install the fuel tube (FS31) (2) to the No. 1 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (9) Install the fuel tube (FS44) (3) to the No. 2 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (10) Install the fuel tube (FS31) (2) to the No. 2 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 1 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (11) Install the fuel tube (FS46) (14) to the No. 3 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS46) (14).
(c) Install the fuel tube (FS46) (14) to the No. 3 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (12) Install the fuel tube (FS47) (13) to the No. 4 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS47) (13).
(c) Install the fuel tube (FS47) (13) to the No. 4 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (13) Install the fuel tube (FS47) (13) to the No. 5 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS47) (13).
(c) Install the fuel tube (FS47) (13) to the No. 5 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (14) Install the fuel tube (FS49) (25) to the No. 6 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 6 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (15) Install the fuel tube (FS33) (24) to the No. 6 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 6 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (16) Install the fuel tube (FS49) (25) to the No. 7 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 7 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (17) Install the fuel tube (FS33) (24) to the No. 7 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 7 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (18) Install the fuel tube (FS49) (25) to the No. 8 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 8 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (19) Install the fuel tube (FS33) (24) to the No. 8 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 7 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (20) Install the fuel tube (FS49) (25) to the No. 9 fuel nozzle and manifold (FS01) as follows:
Installation of the Fuel Nozzle Supply Tubes (FS33), (FS37), (FS49) and (FS54) ** ON A/C NOT FOR ALL (b) Install the two new packings (1) to the fuel tube (FS49) (25).
(c) Install the fuel tube (FS49) (25) to the No. 9 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (21) Install the fuel tube (FS33) (24) to the No. 9 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS33) (24).
(c) Install the fuel tube (FS33) (24) to the No. 9 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (22) Install the fuel tube (FS54) (36) to the No. 10 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS54) (36).
(c) Install the fuel tube (FS54) (36) to the No. 10 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (23) Install the fuel tube (FS37) (35) to the No. 10 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS37) (35).
(c) Install the fuel tube (FS37) (35) to the No. 10 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (24) Install the heat shield (48) to the engine brackets with the four washers (46) and four bolts (47)
(25) TORQUE the four bolts (47) to between 70 and 55 lbf.in (0.79 and 0.62 m.daN )
. (26) Install the fuel tube (FS55) (60) to the No. 11 fuel nozzle and manifold (FS01) as follows:
Installation of the Fuel Nozzle Supply Tubes (FS38), (FS55), (FS56) and (FS57) ** ON A/C NOT FOR ALL (b) Apply
NOTE: For new or refurbished bolts or nuts with baked on lubricant, do not do the wet application.
(c) Install the two new packings (1) to the fuel tube (FS55) (60). (d) Install the fuel tube (FS55) (60) to the No. 11 fuel nozzle and manifold (FS01).
(e) Install the clamp (63) to the tube (60) and bracket with the bolt (62) fingertight.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (g) Loosen the B-nuts to zero.
(h) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(i) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (j) TORQUE the bolt (62) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN )
. (27) Install the fuel tube (FS38) (61) to the No. 11 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS38) (61).
(c) Install the fuel tube (FS38) (61) to the No. 11 fuel nozzle and manifold (FS01).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (28) Install the fuel tube (FS56) (59) to the No. 12 fuel nozzle and manifold (FS01) as follows:
(a) Apply
(b) Apply
NOTE: For new or refurbished bolts or nuts with baked on lubricant, do not do the wet application.
(c) Install the two new packings (1) to the fuel tube (FS56) (59). (d) Install the fuel tube (FS56) (59) to the No. 12 fuel nozzle and manifold (FS01).
(e) Install the clamp (63) to the tube (59) and bracket with the bolt (62) fingertight.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (g) Loosen the B-nuts to zero.
(h) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(i) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (j) TORQUE the bolt (62) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN )
.(29) Install the fuel tube (FS57) (58) to the No. 13 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS57) (58).
(c) Install the fuel tube (FS57) (58) to the No. 13 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (30) Install the fuel tube (FS58) (71) to the No. 14 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS58) (71).
(c) Install the fuel tube (FS58) (71) to the No. 14 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (31) Install the air duct (AD02) to the air/oil heat exchanger (Ref. AMM TASK 79-21-11-400-802).
(32) Install the fuel tube (FS31) (2) to the No. 15 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 15 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (33) Install the fuel tube (FS44) (3) to the No. 15 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 15 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (34) Install the fuel tube (FS44) (3) to the No. 16 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 16 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (35) Install the fuel tube (FS31) (2) to the No. 16 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS31) (2).
(c) Install the fuel tube (FS31) (2) to the No. 16 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (36) Install the fuel tube (FS44) (3) to the No. 17 fuel nozzle and manifold (FS02) as follows:
(a) Apply
(b) Install the two new packings (1) to the fuel tube (FS44) (3).
(c) Install the fuel tube (FS44) (3) to the No. 17 fuel nozzle and manifold (FS02).
(d) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. (e) Loosen the B-nuts to zero.
(f) TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
(g) TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (h) Remove the fuel divider valve (Ref. AMM TASK 73-11-03-000-801).
(i) Install the fuel tube (FS31) (2) to the No. 17 fuel nozzle and manifold (FS02) as follows:
1 Apply
2 Install the two new packings (1) to the fuel tube (FS31) (2).
3 Install the fuel tube (FS31) (2) to the No. 17 fuel nozzle and manifold (FS02).
4 TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. 5 Loosen the B-nuts to zero.
6 TORQUE the B-nuts to between 250 and 225 lbf.in (2.83 and 2.54 m.daN )
. NOTE: Do not loosen the B-nuts.
7 TORQUE the B-nuts again to between 250 and 225 lbf.in (2.83 and 2.54 m.daN ) . (j) Do a leak check of the fuel system by the procedure that follows:
1 Install the PWA211308 LEAK CHECK ADAPTER to the large B-nut on the fuel supply manifold (FS01).
2 Pressurize the system to 45 psi (3.103 bar) - 55 psi (3.792 bar) with air.
NOTE: It is permitted to use nitrogen for this leak check.
3 Apply Leak Check fluid (Material No.P05-007) as follows: CAUTION:
MAKE SURE THAT THERE ARE NO LEAKS. LEAKS CAN CAUSE DAMAGE TO THE PARTS.
a Apply Leak Check fluid (Material No.P05-007) to all fuel systems connections, do not apply to adapter connections. 4 Keep the pressure for five minutes.
(k) Do a second leak check of the fuel system by the procedure that follows:
1 Install the PWA109773 AIRFLOW ADAPTER to the small B-nut on the fuel supply manifold (FS01).
2 Pressurize the system to 45 psi (3.103 bar) - 55 psi (3.792 bar) with air.
NOTE: It is permitted to use nitrogen for this leak check.
3 Apply Leak Check fluid (Material No.P05-007) as follows: CAUTION:
MAKE SURE THAT THERE ARE NO LEAKS. LEAKS CAN CAUSE DAMAGE TO THE PARTS.
a Apply Leak Check fluid (Material No.P05-007) to all fuel systems connections, do not apply adapter connections. 4 Keep the pressure for five minutes.
(l) If you do not find leaks, install the fuel flow divider valve (Ref. AMM TASK 73-11-03-400-801).
(37) If necessary, install the AC Generator - Integrated Drive Generator (IDG) (Ref. AMM TASK 24-21-51-400-803).
(38) If necessary, install the buffer air heat exchanger (Ref. AMM TASK 75-26-01-400-801).
(39) Examine the assembly for foreign objects, damage, and correct assembly.
Subtask 73-11-49-410-058-A ** ON A/C NOT FOR ALL
A. Get Access
(1) Remove the access platform(s).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
Subtask 73-11-49-440-052-A ** ON A/C NOT FOR ALL (1) Remove the access platform(s).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
B. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 73-11-49-410-059-A ** ON A/C NOT FOR ALL C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Remove the WARNING NOTICE(S).
Subtask 73-11-49-710-055-A ** ON A/C NOT FOR ALL (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Remove the WARNING NOTICE(S).