Removal of the Fuel Recovery Tank [PW11]

TASK 73-13-01-000-801-A
Removal of the Fuel Recovery Tank

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, OIL OR HYDRAULIC FLUID SPILL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL, OIL OR HYDRAULIC FLUID WITH A CLOTH. FUEL, OIL OR HYDRAULIC FLUID CAN CAUSE DAMAGE TO SOME ENGINE PARTS.

ZONE: 400

1. Reason for the Job
Use this procedure to remove the fuel recovery tank.
For more information about the engine fuel and control system, refer to (73-00-00-00U).
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	CONTAINER 20L (5 USGAL)
No specific	AR	COVER - PROTECTION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P05-005)	lint-free cotton cloth

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
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 72-21-08-000-801-A	Removal of the Fan Exit Liner Segments
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
Removal of the Fuel Recovery Tank

3. Job Set-up
Subtask 73-13-01-941-050-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 73-13-01-010-050-A ** ON A/C NOT FOR ALL

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 73-13-01-040-050-A ** ON A/C NOT FOR ALL

C. Deactivation of the Thrust Reverser for Maintenance

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).

Subtask 73-13-01-010-051-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Open the right thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR

4. Procedure

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

Subtask 73-13-01-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Fuel Recovery Tank
(1) Find the fuel recovery tank (1) attached to the Low Pressure Compressor (LPC) bulkhead at approximately the 5:30 position.
(2) Remove the fan exit liner and duct segment at the 6 o'clock position (Ref. AMM TASK 72-21-08-000-801).
(3) Remove the fuel tank (1) as follows:
(a) Put a CONTAINER 20L (5 USGAL) under the fuel recovery tank (1).
(b) Disconnection of the fuel tube

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 Disconnect the fuel tube (FB01) from the tank (1).
2 Disconnect the fuel tube (FD02) from the tank (1).
3 Disconnect the fuel tube (FD03) from the tank (1).
(c) Clean the fuel recovery tank (1) with a lint-free cotton cloth (Material No.P05-005) .

POST SB C-73-00-0010A (Config-2: Fuel Drainage Improvement Configuration)

(d) Remove the metering plug (4) from the fuel recovery tank (1).

Removal of the Fuel Recovery Tank ** ON A/C NOT FOR ALL

END OF POST SB C-73-00-0010A (Config-2: Fuel Drainage Improvement Configuration)

(e) Remove the two bolts (2) from the fuel recovery tank (1) bracket.
(f) Remove the two bolts (3) and the fuel recovery tank (1).
(g) Remove the fuel recovery tank (1).
(4) 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.

[Rev.10 from 2021] 2026.04.01 03:02:18 UTC