Preservation of the Fuel Pump and Filter Assembly [CFMB]

TASK 73-11-10-620-002-A
Preservation of the Fuel Pump and Filter Assembly

1. Reason for the Job
Use this procedure when you must store the fuel pump and filter assembly after removal from the engine.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	PLUG - BLANKING
856A3471	1	ADAPTER-DRIVE SPLINES FUEL PUMP ROTATION CHECK

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP2101)	graphite grease
(Material No.CP5066)	fuel system preventative

3. Job Set-up
Subtask 73-11-10-869-054-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Procedure
Subtask 73-11-10-620-051-A ** ON A/C NOT FOR ALL

A. Preservation of Fuel Pump. Flush with fuel system preventative (Material No.CP5066) . Before use on the pump, put the preventative fluid through a 10 microns filter. Flush the pump as follows:
(1) Put the fluid fuel system preventative (Material No.CP5066) into the inlet port of pump.
(2) Use 856A3471 ADAPTER-DRIVE SPLINES FUEL PUMP ROTATION CHECK (856A3471P01), turn the main drive shaft until the fluid flows out of discharge port.
(3) Tilt the pump and drain out as much fluid as possible.
(4) Install PLUG - BLANKING.

Subtask 73-11-10-640-050-A ** ON A/C NOT FOR ALL

B. Apply a light coat of graphite grease (Material No.CP2101) to the splines of main drive shaft and HMU drive shaft.

[Rev.10 from 2021] 2026.04.01 02:57:27 UTC