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 TM 55-1905-223-24-5
WARNING
A hoist must be used to support and lift the heat exchanger
when replacing it on the engine. It must be firmly in place. This
will prevent serious injury to personnel.
e. Lift the heat exchanger (6) and position on the engine and heat exchanger
brace (5).
f. Install hexhead capscrews (40) and lockwashers (39), securing brace (5) and
heat exchanger (6) to engine.
g. Install heat exchanger brace (4) and secure brace (5) to heat exchanger (6).
Secure with hexhead-capscrews (1), flat washers (3), and lockwashers (2).
h. Install gasket (7), water outlet connection (8) with welded pipe (11)
attached, and secure with four hexhead capscrews (10) and lockwashers (9).
i. Install hose (18) and hose clamp (17) on water outlet connection (14).
Tighten hose clamp to 35-40 in-lb torque.
J. Install nonmetallic hose (25) to engine water outlet (27) and outlet (19).
Secure with hose clamps (24, 26). Tighten hose clamps to 35-40 in-lb torque.
k. Install nonmetallic hoses (29, 37) to water inlet connection (31) and
metallic tube (35). Secure with hose clamps (28, 30, 36 and 38). Tighten
hose clamps to 35-40 in-lb torque.
1. Install expansion tank. Refer to paragraph 2-36 .
m. Open the external seawater inlet and outlet valve. Refer to TM 55-1905-223-
24-18.
n. Fill the fresh water cooling system. Refer to TB 1900-207-24.
o. Check coolant level. Refer to PMCS, Item 7.
p. Start up engine. Refer to TM 55-1905-223-10.
q. Check for leaks. Repair as necessary.
r. Remove "Out of Service-Do Not Operate" tag.
2-139
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