Repair Fuel Pump

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ASSEMBLY

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 3-36. Fuel Pump.

TM 55-1905-220-24-1

3-28. Repair Fuel Pump (FIG. 3-36)

This task covers:

Repair

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's

Fuel pump removed, para. 2-29.

rail and marine diesel engine

Torque wrench kit P/N 3377216

Materials/Parts

Cleaning solvent, Item 15, Appendix C

REPAIR

CAUTION

Put plastic cap plugs or tape on all fuel

pump openings to prevent dirt from entering

the fuel pump. Use a cleaning solvent that

will not harm aluminum.

NOTE

K50 engine must have the white or light

green nylon coupling spider.

a. Use a brush and solvent to clean pump exterior

b. Use clean engine lube oil to lubricate pump drive gear.

c. Rotate the fuel pump shaft by hand. Verify the shaft rotates easily.

d. Ensure tamper proof seals are in place. If tamper-proof seals are missing,

the fuel pump calibration may not be according to specification.

e. Check fuel pump assembly for damaged capscrews or loose fittings.

f. Check fuel pump drive lugs for damage.

g. Check the shutoff valve for damage and for loose or damaged electrical

terminals.

3-104