DOC AIRBUS | AMM A320FRemoval of the Fuel Nozzles [PW11]
TASK 73-11-09-000-801-A
Removal of the Fuel Nozzles
Use this procedure to remove the fuel nozzles.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 73-11-09-941-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:02:06 UTC
Removal of the Fuel Nozzles
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.
CAUTION:
DO NOT LET ENGINE FUEL OR OIL FALL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL OR OIL WITH A CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO SOME ENGINE PARTS.
1. Reason for the JobUse this procedure to remove the fuel nozzles.
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 | CONTAINER 20L (5 USGAL) |
| No specific | AR | COVER - PROTECTION |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.P05-005) | lint-free cotton cloth |
| (Material No.P05-423) | PMC 4050-20 marker, fine tip, rapid drying |
| 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 | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-21-42-000-802-A | Removal of the IDG Fuel/Oil Heat-Exchanger |
| TASK 24-21-42-000-803-A | Removal of the IDG Oil/Oil Heat-Exchanger |
| TASK 24-21-42-000-804-A | Removal of the AC Generator Fuel/Oil Differential Pressure-Sensor |
| TASK 24-21-51-000-803-A | Removal of the Integrated Drive Generator - IDG 1(2) |
| 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 72-61-01-000-801-A | Removal of the Main Gear Box (MGB) |
| TASK 73-11-02-000-801-A | Removal of the Fuel Manifold |
| TASK 73-11-49-000-803-A | Removal of the Fuel Nozzle Supply Tubes |
| TASK 73-13-03-000-801-A | Removal of the Fuel Return To Tank (RTT) Valve |
| TASK 73-21-70-000-802-A | Removal of the Electronic Engine Control (EEC) Wiring Harness (WC11) |
| TASK 75-24-01-000-801-A | Removal of the Turbine Active Clearance Control (ACC) Air Valve |
| TASK 75-25-49-000-802-A | Removal of the Turbine Cooling Air System |
| TASK 75-26-01-000-801-A | Removal of the Buffer Air Heat Exchanger |
| TASK 77-21-61-000-802-A | Removal of the Exhaust Gas Temperature (EGT) (T5/T3) Wiring Harness (WC05) |
| TASK 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 79-21-02-000-801-A | Removal of the Oil Control Module |
| TASK 79-21-08-000-801-A | Removal of the Fuel/Oil Heat Exchanger |
| TASK 79-21-11-000-802-A | Removal of the Air/Oil Heat Exchanger (AOHX) |
| TASK 79-23-49-000-802-A | Removal of the Gearbox Breather Tube |
| TASK 80-11-01-000-801-A | Removal of the Starter |
Subtask 73-11-09-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833)
Subtask 73-11-09-010-050-A ** ON A/C NOT FOR ALL (1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833)
B. Get Access
(1) Open the fan cowl doors (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.
Subtask 73-11-09-040-050-A ** ON A/C NOT FOR ALL (1) Open the fan cowl doors (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.
C. Deactivation of the Thrust Reverser for Maintenance
Subtask 73-11-09-010-051-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) Do the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805). D. Get Access
(1) Open the thrust reverser cowl-doors (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.
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.
4. Procedure(1) Open the thrust reverser cowl-doors (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.
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 73-11-09-020-050-A ** ON A/C NOT FOR ALL A. Removal of the Fuel Nozzle
(1) Remove the air starter (Ref. AMM TASK 80-11-01-000-801).
(2) Remove environmental control system ducts to access the oil manifold as necessary.
(3) Remove the oil manifold and components as follows:
(a) Remove the wiring harness (WC05) (Ref. AMM TASK 77-21-61-000-802).
(b) Disconnect the wiring harness (WC11) at the P37 and P68 connections (Ref. AMM TASK 73-21-70-000-802).
(c) Remove the exhaust ducts (AD01) and (AD02) (Ref. AMM TASK 79-21-11-000-802).
(d) Remove the AC generator oil/oil heat exchanger (Ref. AMM TASK 24-21-42-000-803).
(e) Remove the fuel/oil heat exchanger (Ref. AMM TASK 79-21-08-000-801).
(f) Remove the fuel return tank valve (Ref. AMM TASK 73-13-03-000-801).
(g) Remove the AC generator fuel/oil heat exchanger (Ref. AMM TASK 24-21-42-000-802).
(h) Remove the AC generator fuel/oil differential pressure sensor (Ref. AMM TASK 24-21-42-000-804).
(i) Remove the oil breather tube (LB60) (Ref. AMM TASK 79-23-49-000-802).
(j) Remove the manifold (LR40) (1) as follows:
2 Disconnect the manifold (LR40) (1) from the tube (LR111) B-nut.
3 Remove the bolt (5) from the clamp (4) and remove the manifold (LR40) (1) and seal (3).
4 Remove the bolt (5), washer (6) and bracket (7).
(k) Remove the tube (LP56) (20) from the air oil heater exchanger as follows:
1 Remove the three bolts (17) and (23) and brackets (18) and (22) from the tube (LP56) (20).
2 Remove the tube (LP56) (20) and two seals (19).
(l) Remove the tubes (LP52) and (LP50) (Ref. AMM TASK 79-21-02-000-801).
(m) Remove the oil manifold (19) as follows:
1 Remove the ten bolts (38) and brackets (39) and (37) from the bracket (36). See Sheet 1 of the figure:
2 Remove the eight bolts (33) and oil manifold (19) from the clevis (34) and bracket (35).
3 Remove the two nuts (51), two bolts (49), two bushings (52), connecting link (50) and clevis (34) from the clevis. See Sheet 2 of the figure:
4 Remove the nut (53), bolt (54), pin (55) and bracket (35) from the clevis.
5 Remove the four bolts (56) and bracket (36) from the bracket (57).
6 Remove the nut (67), bolt (71), bushing (70), spacers (69) and (68) and bracket (57) from the clevis. See Sheet 3 of the figure:
PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
(n) Remove the tubes (CR11) (87) and (CP11) (83) as follows:
1 Remove the tubes (CR11) (87) and (CP11) (83) from the ACC air valve (Ref. AMM TASK 75-24-01-000-801).
2 Remove the tubes (CR11) (87) and (CP11) (83) from the fuel manifold (Ref. AMM TASK 73-11-02-000-801).
3 Remove the two bolts (70) and clamps (86) from the tube (CR11) (87).
4 Remove the tube (CR11) (87).
5 Remove the two bolts (81), bracket (84) and clamps (82) and (85) from the tube (CP11) (83).
6 Remove the tube (CP11) (83).
END OF PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(o) Remove the tubes (CR26) (89), (CP26) (83), (CR25) (87) and (CP25) (86) as follows:
Removal of the Tubes (CR25), (CP25), (CR26), and (CP26) Config-2 Improved Maintenance Configuration ** ON A/C NOT FOR ALL
1 Remove the tubes (CR26) (89) and (CP26) (83) from the ACC air valve (Ref. AMM TASK 75-24-01-000-801).
2 Remove the tubes (CR25) (87) and (CP25) (86) from the fuel manifold (Ref. AMM TASK 73-11-02-000-801).
3 Remove the two bolts (70) and clamps (88) from the tubes (CR25) (87) and (CR26) (89).
4 Remove the tubes (CR25) (87) and (CR26) (89).
5 Remove the two bolts (81), bracket (84) and clamps (82) and (85) from the tubes (CP25) (86) and (CP26) (83).
6 Remove the tubes (CP25) (86) and (CP26) (83).
END OF POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(p) Remove the five bolts (97) and heat shield (98) from the five diffuser case brackets.
(4) Remove the tubes (FL01), (FH02), (FH01) and (CP09) (Ref. AMM TASK 73-11-02-000-801).
(5) Remove the tube (LR40) (Ref. AMM TASK 72-61-01-000-801).
(6) Remove the tubes (AP01), (AP13), (AP47), (AP48), (AP49) and (AP04) (Ref. AMM TASK 75-25-49-000-802).
(7) Remove the tube (FD01) (Ref. AMM TASK 72-61-01-000-801).
(8) Remove the fuel nozzle supply tubes (Ref. AMM TASK 73-11-49-000-803).
(9) Remove the Integrated Drive Generator (IDG) if necessary (Ref. AMM TASK 24-21-51-000-803).
(10) Remove the buffer air heat exchanger if necessary (Ref. AMM TASK 75-26-01-000-801).
(11) Remove the fuel nozzles as follows:
(a) Find and mark the notch located at the top (12 o'clock) position on the diffuser case with aP05-423 PMC 4050-20 marker, fine tip, rapid drying
(b) Use a CONTAINER 20L (5 USGAL) and lint-free cotton cloth (Material No.P05-005) to collect fuel leakage when you remove the fuel supply tubes and nozzles.
PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
(c) Remove the No. 18, No. 1 and No. 2 fuel nozzles (108) as follows:
Removal of the No. 18, No. 1 and No. 2 Fuel Nozzles Config-1 Initial Design Configuration ** ON A/C NOT FOR ALL
1 Remove the three bolts (109) from the No. 18 fuel nozzle (108).
2 Remove the No. 18 fuel nozzle (108) and discard the gasket (111).
3 Remove the three bolts (109) and bracket (112) from the No. 1 fuel nozzle (108).
4 Remove the No. 1 fuel nozzle (108) and discard the gasket (111).
5 Remove the three bolts (109) and bracket (110) from the No. 2 fuel nozzle (108).
6 Remove the No. 2 fuel nozzle (108) and discard the gasket (111).
END OF PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(d) Remove the No. 18, No. 1 and No. 2 fuel nozzles (108) as follows.
Removal of No. 18, No. 1 and No. 2 Fuel Nozzles - Config-2 Improved Maintenance Configuration ** ON A/C NOT FOR ALL
1 Remove the three bolts (109) from the No. 18 fuel nozzle (108).
2 Remove the No. 18 fuel nozzle (108) and discard the gasket (112).
3 Remove the three bolts (109) and bracket (113) from the No. 1 fuel nozzle (108).
4 Remove the No. 1 fuel nozzle (108) and discard the gasket (112).
5 Remove the three bolts (109) and brackets (110) and (111) from the No. 2 fuel nozzle (108).
6 Remove the No. 2 fuel nozzle (108) and discard the gasket (112).
END OF POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(e) Remove the No. 3 and No. 4 fuel nozzles (122) as follows:
1 Remove the three bolts (109) from the No. 3 fuel nozzle (122).
2 Remove the No. 3 fuel nozzle (122) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 4 fuel nozzle (122).
4 Remove the No. 4 fuel nozzle (122) and discard the gasket (111).
(f) Remove the No. 5 fuel nozzle (122) and No. 6 fuel nozzle (133) as follows:
1 Remove the three bolts (109) from the bracket (132) and the No. 5 fuel nozzle (122).
2 Remove the bolt (109) from the bracket (132) and No. 6 fuel nozzle (133).
3 Remove the bracket (132) from the No. 5 fuel nozzle (122) and No. 6 fuel nozzle (133).
4 Remove the No. 5 fuel nozzle (122) and discard the gasket (111).
5 Remove the two remaining bolts (109) from the No. 6 fuel nozzle (133).
6 Remove the No. 6 fuel nozzle (133) and discard the gasket (111).
(g) Remove the two bolts (145), bolt (143) and clamp (144) from the tubes (LR46) and (AP01).
(h) Remove the No. 7, No. 8 and No. 9 fuel nozzles (133) as follows:
1 Remove the three bolts (109) and bracket (155) from the No. 7 fuel nozzle (133).
2 Remove the No. 7 fuel nozzle (133) and discard the gasket (111).
3 Remove the three bolts (109) and bracket (156) from the No. 8 fuel nozzle (133).
4 Remove the No. 8 fuel nozzle (133) and discard the gasket (111).
5 Remove the three bolts (109) from the No. 9 fuel nozzle (133).
6 Remove the No. 9 fuel nozzle (133) and discard the gasket (111).
(i) Remove the four bolts (167), four washers (166) and heat shield (168) from the four diffuser case brackets.
(j) Remove the No. 10 and No. 11 fuel nozzles (133) as follows:
1 Remove the three bolts (109) from the No. 10 fuel nozzle (133).
2 Remove the No. 10 fuel nozzle (133) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 11 fuel nozzle (133).
4 Remove the No. 11 fuel nozzle (133) and discard the gasket (111).
(k) Remove the No. 12 and No. 13 fuel nozzles (122) as follows:
1 Remove the three bolts (109) from the No. 12 fuel nozzle (122).
2 Remove the No. 12 fuel nozzle (122) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 13 fuel nozzle (122).
4 Remove the No. 13 fuel nozzle (122) and discard the gasket (111).
(l) Remove the air duct (AD02) (182) from the air/oil heat exchanger as follows:
1 Remove the 14 bolts (181), eight spacers (180) and five washers (183) from the air duct (AD02) (182).
2 Remove the two bolts (179) and nuts (178) from the connecting links.
3 Remove the air duct (AD02) (182) from the air/oil heat exchanger.
(m) Remove the No. 14 fuel nozzle (122) as follows:
1 Remove the bolt (193) from the clamp that attaches the tube (DR121) to the bracket (192).
2 Remove the three bolts (109) and bracket (192) from the No. 14 fuel nozzle (122).
3 Remove the No. 14 fuel nozzle (122) and discard the gasket (111).
(n) Remove the No. 15, No. 16 and No. 17 fuel nozzles (108) as follows:
1 Remove the three bolts (109) from the No. 15 fuel nozzle (108).
2 Remove the No. 15 fuel nozzle (108) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 16 fuel nozzle (108).
4 Remove the No. 16 fuel nozzle (108) and discard the gasket (111).
5 Remove the bolt (204) from the clamp that attaches the tube (DR122) to the bracket (203).
6 Remove the three bolts (109) and bracket (203) from the No. 17 fuel nozzle (108).
7 Remove the No. 17 fuel nozzle (108) and discard the gasket (111).
(12) Installation of the protection covers:
(1) Remove the air starter (Ref. AMM TASK 80-11-01-000-801).
(2) Remove environmental control system ducts to access the oil manifold as necessary.
(3) Remove the oil manifold and components as follows:
(a) Remove the wiring harness (WC05) (Ref. AMM TASK 77-21-61-000-802).
(b) Disconnect the wiring harness (WC11) at the P37 and P68 connections (Ref. AMM TASK 73-21-70-000-802).
(c) Remove the exhaust ducts (AD01) and (AD02) (Ref. AMM TASK 79-21-11-000-802).
(d) Remove the AC generator oil/oil heat exchanger (Ref. AMM TASK 24-21-42-000-803).
(e) Remove the fuel/oil heat exchanger (Ref. AMM TASK 79-21-08-000-801).
(f) Remove the fuel return tank valve (Ref. AMM TASK 73-13-03-000-801).
(g) Remove the AC generator fuel/oil heat exchanger (Ref. AMM TASK 24-21-42-000-802).
(h) Remove the AC generator fuel/oil differential pressure sensor (Ref. AMM TASK 24-21-42-000-804).
(i) Remove the oil breather tube (LB60) (Ref. AMM TASK 79-23-49-000-802).
(j) Remove the manifold (LR40) (1) as follows:
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.
1 Remove the three bolts (2) from the manifold (LR40) (1). 2 Disconnect the manifold (LR40) (1) from the tube (LR111) B-nut.
3 Remove the bolt (5) from the clamp (4) and remove the manifold (LR40) (1) and seal (3).
4 Remove the bolt (5), washer (6) and bracket (7).
(k) Remove the tube (LP56) (20) from the air oil heater exchanger as follows:
1 Remove the three bolts (17) and (23) and brackets (18) and (22) from the tube (LP56) (20).
2 Remove the tube (LP56) (20) and two seals (19).
(l) Remove the tubes (LP52) and (LP50) (Ref. AMM TASK 79-21-02-000-801).
(m) Remove the oil manifold (19) as follows:
1 Remove the ten bolts (38) and brackets (39) and (37) from the bracket (36). See Sheet 1 of the figure:
2 Remove the eight bolts (33) and oil manifold (19) from the clevis (34) and bracket (35).
3 Remove the two nuts (51), two bolts (49), two bushings (52), connecting link (50) and clevis (34) from the clevis. See Sheet 2 of the figure:
4 Remove the nut (53), bolt (54), pin (55) and bracket (35) from the clevis.
5 Remove the four bolts (56) and bracket (36) from the bracket (57).
6 Remove the nut (67), bolt (71), bushing (70), spacers (69) and (68) and bracket (57) from the clevis. See Sheet 3 of the figure:
PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
(n) Remove the tubes (CR11) (87) and (CP11) (83) as follows:
1 Remove the tubes (CR11) (87) and (CP11) (83) from the ACC air valve (Ref. AMM TASK 75-24-01-000-801).
2 Remove the tubes (CR11) (87) and (CP11) (83) from the fuel manifold (Ref. AMM TASK 73-11-02-000-801).
3 Remove the two bolts (70) and clamps (86) from the tube (CR11) (87).
4 Remove the tube (CR11) (87).
5 Remove the two bolts (81), bracket (84) and clamps (82) and (85) from the tube (CP11) (83).
6 Remove the tube (CP11) (83).
END OF PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(o) Remove the tubes (CR26) (89), (CP26) (83), (CR25) (87) and (CP25) (86) as follows:
Removal of the Tubes (CR25), (CP25), (CR26), and (CP26) Config-2 Improved Maintenance Configuration ** ON A/C NOT FOR ALL 2 Remove the tubes (CR25) (87) and (CP25) (86) from the fuel manifold (Ref. AMM TASK 73-11-02-000-801).
3 Remove the two bolts (70) and clamps (88) from the tubes (CR25) (87) and (CR26) (89).
4 Remove the tubes (CR25) (87) and (CR26) (89).
5 Remove the two bolts (81), bracket (84) and clamps (82) and (85) from the tubes (CP25) (86) and (CP26) (83).
6 Remove the tubes (CP25) (86) and (CP26) (83).
END OF POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(p) Remove the five bolts (97) and heat shield (98) from the five diffuser case brackets.
(4) Remove the tubes (FL01), (FH02), (FH01) and (CP09) (Ref. AMM TASK 73-11-02-000-801).
(5) Remove the tube (LR40) (Ref. AMM TASK 72-61-01-000-801).
(6) Remove the tubes (AP01), (AP13), (AP47), (AP48), (AP49) and (AP04) (Ref. AMM TASK 75-25-49-000-802).
(7) Remove the tube (FD01) (Ref. AMM TASK 72-61-01-000-801).
(8) Remove the fuel nozzle supply tubes (Ref. AMM TASK 73-11-49-000-803).
(9) Remove the Integrated Drive Generator (IDG) if necessary (Ref. AMM TASK 24-21-51-000-803).
(10) Remove the buffer air heat exchanger if necessary (Ref. AMM TASK 75-26-01-000-801).
(11) Remove the fuel nozzles as follows:
(a) Find and mark the notch located at the top (12 o'clock) position on the diffuser case with a
(b) Use a CONTAINER 20L (5 USGAL) and lint-free cotton cloth (Material No.P05-005) to collect fuel leakage when you remove the fuel supply tubes and nozzles.
PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
(c) Remove the No. 18, No. 1 and No. 2 fuel nozzles (108) as follows:
Removal of the No. 18, No. 1 and No. 2 Fuel Nozzles Config-1 Initial Design Configuration ** ON A/C NOT FOR ALL 2 Remove the No. 18 fuel nozzle (108) and discard the gasket (111).
3 Remove the three bolts (109) and bracket (112) from the No. 1 fuel nozzle (108).
4 Remove the No. 1 fuel nozzle (108) and discard the gasket (111).
5 Remove the three bolts (109) and bracket (110) from the No. 2 fuel nozzle (108).
6 Remove the No. 2 fuel nozzle (108) and discard the gasket (111).
END OF PRE SB C-73-00-0009A (Config-1 Initial Design Configuration)
POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(d) Remove the No. 18, No. 1 and No. 2 fuel nozzles (108) as follows.
Removal of No. 18, No. 1 and No. 2 Fuel Nozzles - Config-2 Improved Maintenance Configuration ** ON A/C NOT FOR ALL 2 Remove the No. 18 fuel nozzle (108) and discard the gasket (112).
3 Remove the three bolts (109) and bracket (113) from the No. 1 fuel nozzle (108).
4 Remove the No. 1 fuel nozzle (108) and discard the gasket (112).
5 Remove the three bolts (109) and brackets (110) and (111) from the No. 2 fuel nozzle (108).
6 Remove the No. 2 fuel nozzle (108) and discard the gasket (112).
END OF POST SB C-73-00-0009A (Config-2 Improved Maintenance Configuration)
(e) Remove the No. 3 and No. 4 fuel nozzles (122) as follows:
1 Remove the three bolts (109) from the No. 3 fuel nozzle (122).
2 Remove the No. 3 fuel nozzle (122) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 4 fuel nozzle (122).
4 Remove the No. 4 fuel nozzle (122) and discard the gasket (111).
(f) Remove the No. 5 fuel nozzle (122) and No. 6 fuel nozzle (133) as follows:
1 Remove the three bolts (109) from the bracket (132) and the No. 5 fuel nozzle (122).
2 Remove the bolt (109) from the bracket (132) and No. 6 fuel nozzle (133).
3 Remove the bracket (132) from the No. 5 fuel nozzle (122) and No. 6 fuel nozzle (133).
4 Remove the No. 5 fuel nozzle (122) and discard the gasket (111).
5 Remove the two remaining bolts (109) from the No. 6 fuel nozzle (133).
6 Remove the No. 6 fuel nozzle (133) and discard the gasket (111).
(g) Remove the two bolts (145), bolt (143) and clamp (144) from the tubes (LR46) and (AP01).
(h) Remove the No. 7, No. 8 and No. 9 fuel nozzles (133) as follows:
1 Remove the three bolts (109) and bracket (155) from the No. 7 fuel nozzle (133).
2 Remove the No. 7 fuel nozzle (133) and discard the gasket (111).
3 Remove the three bolts (109) and bracket (156) from the No. 8 fuel nozzle (133).
4 Remove the No. 8 fuel nozzle (133) and discard the gasket (111).
5 Remove the three bolts (109) from the No. 9 fuel nozzle (133).
6 Remove the No. 9 fuel nozzle (133) and discard the gasket (111).
(i) Remove the four bolts (167), four washers (166) and heat shield (168) from the four diffuser case brackets.
(j) Remove the No. 10 and No. 11 fuel nozzles (133) as follows:
1 Remove the three bolts (109) from the No. 10 fuel nozzle (133).
2 Remove the No. 10 fuel nozzle (133) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 11 fuel nozzle (133).
4 Remove the No. 11 fuel nozzle (133) and discard the gasket (111).
(k) Remove the No. 12 and No. 13 fuel nozzles (122) as follows:
1 Remove the three bolts (109) from the No. 12 fuel nozzle (122).
2 Remove the No. 12 fuel nozzle (122) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 13 fuel nozzle (122).
4 Remove the No. 13 fuel nozzle (122) and discard the gasket (111).
(l) Remove the air duct (AD02) (182) from the air/oil heat exchanger as follows:
1 Remove the 14 bolts (181), eight spacers (180) and five washers (183) from the air duct (AD02) (182).
2 Remove the two bolts (179) and nuts (178) from the connecting links.
3 Remove the air duct (AD02) (182) from the air/oil heat exchanger.
(m) Remove the No. 14 fuel nozzle (122) as follows:
1 Remove the bolt (193) from the clamp that attaches the tube (DR121) to the bracket (192).
2 Remove the three bolts (109) and bracket (192) from the No. 14 fuel nozzle (122).
3 Remove the No. 14 fuel nozzle (122) and discard the gasket (111).
(n) Remove the No. 15, No. 16 and No. 17 fuel nozzles (108) as follows:
1 Remove the three bolts (109) from the No. 15 fuel nozzle (108).
2 Remove the No. 15 fuel nozzle (108) and discard the gasket (111).
3 Remove the three bolts (109) from the No. 16 fuel nozzle (108).
4 Remove the No. 16 fuel nozzle (108) and discard the gasket (111).
5 Remove the bolt (204) from the clamp that attaches the tube (DR122) to the bracket (203).
6 Remove the three bolts (109) and bracket (203) from the No. 17 fuel nozzle (108).
7 Remove the No. 17 fuel nozzle (108) and discard the gasket (111).
(12) Installation of the protection covers:
CAUTION:
INSTALL PROTECTION COVERS ON ALL THE OPENINGS IMMEDIATELY TO PREVENT DAMAGE TO THE ENGINE.
(a) Make sure that you install COVER - PROTECTION as necessary to prevent damage to the engine.