REPAIR - TM-55-1905-223-24-50162

Custom Search

FIGURE 2-50. Air Intake Manifold Group

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

Replace/Repair Exhaust Manifold Group. (FIGURE 2-51)

TM 55-1905-223-24-5

e. Place air intake manifold on deck or suitable workbench.

f. Remove assembled washer screws (3), air crossover connection (2), and gasket

(4). Discard gasket.

g. Remove assembled washer screws (14), plate (13), and gasket (12). Discard

gasket.

REPAIR

Repair at this level of maintenance is by replacing: gaskets (4, 11, and 12) and

nonmetallic hose (15).

REPLACEMENT

a. Install gasket (12) and plate (13) on air intake manifold (5). Secure with

assembled washer screws (14). Torque to 20-25 ft-lb.

b. Install gasket (14) and air crossover connection (2) on air intake manifold

(2). Secure with assembled washer screws (3). Torque to 20-25 ft-lb.

c. Install gasket (11) on cylinder head.

WARNING

A hoist must be used to support and lift the assembly when

replacing it on the engine. It must be firmly in place.

d. Lift air intake manifold (5) assembly in position to mount to cylinder head.

e. Secure air intake manifold (5) to cylinder head with socket head capscrews

(8), lockwashers (9), and flat washers (10). Torque to 20-25 ft lb.

f. Install assembled washer screws (6, 7). Torque to 20-25 ft-lb.

g. Secure nonmetallic hose (15) to air crossover connection (2) with hose

clamps (1). Torque hose clamps (1) to 40 in-lb.

h. Remove lifting sling.

i. Start up engine. Refer to TM 55-1905-223-10.

j. Check for leaks. Repair as necessary.

k. Remove "Out of Service-Do Not Operate" tag.

2-142