Preservation of the Fuel Pump and Filter Assembly [CFMI]
TASK 73-11-10-620-001-A
Preservation of the Fuel Pump and Filter Assembly
1. Reason for the Job
To put the fuel pump and filter assembly in storage after removal from the engine.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
3. Job Set-up
Subtask 73-11-10-869-051-A ** ON A/C NOT FOR ALL
Subtask 73-11-10-620-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 13:04:43 UTC
Preservation of the Fuel Pump and Filter Assembly
1. Reason for the Job
To put the fuel pump and filter assembly in storage 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 |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2101) | graphite grease |
| (Material No.CP5066) | fuel system preventative |
Subtask 73-11-10-869-051-A ** ON A/C NOT FOR ALL
A. Not Applicable
4. ProcedureSubtask 73-11-10-620-050-A ** ON A/C NOT FOR ALL
A. Preservation of fuel pump
(1) Flush with fuel system preventative (Material No.CP5066) . Before use on the pump, put the preventive fluid through a 10 micron filter. Flush the pump as follows.
(a) Put the fluid into the inlet port of pump.
(b) Use 856A3471 ADAPTER-DRIVE SPLINES FUEL PUMP ROTATION CHECK (856A3471P01/P02), and turn the main drive shaft until the fluid flows out of discharge port.
(c) Tilt the pump and drain out as much fluid as possible.
(d) Install PLUG - BLANKING.
(2) Apply a thin layer of graphite grease (Material No.CP2101) to the splines of the main drive shaft and the HMU drive shaft.
(1) Flush with fuel system preventative (Material No.CP5066) . Before use on the pump, put the preventive fluid through a 10 micron filter. Flush the pump as follows.
(a) Put the fluid into the inlet port of pump.
(b) Use 856A3471 ADAPTER-DRIVE SPLINES FUEL PUMP ROTATION CHECK (856A3471P01/P02), and turn the main drive shaft until the fluid flows out of discharge port.
(c) Tilt the pump and drain out as much fluid as possible.
(d) Install PLUG - BLANKING.
(2) Apply a thin layer of graphite grease (Material No.CP2101) to the splines of the main drive shaft and the HMU drive shaft.