Repair Fuel Tubing, Shut-Down Valve, and Fuel Pump Group

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REPLACEMENT

TM-55-1905-223-24-5 Bowthruster Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 3-8. Fuel Pump.

TM 55-1905-223-24-5

3-15. Repair Fuel Tubing, Shut-Down Valve, and Fuel Pump Group

This task covers:

a. Disassembly, b. Repair,

c. Assembly.

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's

Fuel tubing, shutdown valve and

rail and marine diesel engines,

fuel pump group removed

Torque wrench kit P/N 3377216

Materials/Parts

Gasket P/N 154087

Solenoid valve, P/N 3035346

Lubriplate, Item 11, Appendix C

Emery cloth, 240 grit, Item 33, Appendix C

Metal cleaning solvent, Item 5,

DISASSEMBLY

NOTE

Disassembly in this procedure consists of removing the fluid pressure dampener, gear pump assembly, shutoff

valve assembly, electric governor actuator, and fluid filter element from the fuel pump body.

Remove solenoid valve (2, FIGURE 3-8) .

(1)

Remove the two hexagon capscrews (2, FIGURE 3-9), lockwashers (3), and flat washers (4),

securing the solenoid valve to the fuel pump (6).

Remove solenoid valve body and preformed packing (5) from the fuel pump. Discard

preformed packing.

Remove the fluid pressure dampener (4, FIGURE 3-8) .

(1)

Remove two capscrews, lockwashers (1, FIGURE 3-10) and two capscrews and lockwashers

and flat washers (5).

(2)

Remove the cover access (4), preformed packing, solid plain disk, and spacer ring (3), and

the fuel pump dampener housing (2).

(3)

Remove packing (6) from the back of housing (2).

3-17