Replace/Repair Injector Group

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FIGURE 2-35. Rocker Cover Torque Sequence

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

FIGURE 2-36. Rocker Lever Covers

TM 55-1905-223-24-5

2-35. Replace/Repair Injector Group.

This task covers: a.

Removal,

Inspection,

Repair.

INITIAL SETUP:

Tools

Equipment Condition

Tool kit general mechanic's

Engine shut down and cooled to below

rail and marine diesel engines

120 (50 ) (TM 55-1905-223-10).

Instrument panel removed (para. 2-22).

Injector adjustment kit P/N 3375842

Intake air crossover pipe removed

Injector puller P/N 3376000

Torque wrench,

Upper fuel line check valve removed

5120-01-092-3278 (in-lb)

Rocker lever actuator P/N ST-1193

129

Materials/Parts

Fuel injection nozzle P/N 3054218

Detent plunger P/N 191916

Lockwasher P/N 180626

Cleaning solvent, Item 5, Appendix C

REMOVAL

Loosen hose clamp (2, FIGURE 2-36) from nonmetallic hose (1).

Remove nonmetallic hose (1).

Remove four hexhead capscrews (9) and remove engine lifting brackets (8).

Remove assembled washer screws (4) from engine poppet covers (5).

Remove engine poppet covers (5) and gaskets (6) from rocker lever housing (7). Discard gaskets.

Remove breather (3) from engine poppet cover (5).

Loosen the adjusting screw locknut (2, FIGURE 2-37) on each injector rocker lever.

Turn out the adjusting screw (1) on each injector rocker lever.

2-115