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 TM 55-1905-223-24-5
INSPECTION
a. Remove pressure cap (3).
b. Inspect rubber seal inside pressure cap for deterioration. Replace if
necessary.
c. Inspect fill neck for cracks and corrosion. Clean with solvent and cloth or
replace as necessary.
d. Replace pressure cap (3).
REPAIR
Repair at this level of-maintenance is by replacing gaskets (5), nonmetallic hose
assembly (7, 14), dial indicating pressure gauge (19), and nonmetallic hose (12).
REPLACEMENT
a. Position expansion tank (20) on mounting bracket.
b. Install new gaskets (5) and flat washers (2). Secure expansion tank (19) to
mounting bracket with hexhead capscrews (1, 4).
c. Install sight glass gauge (19).
d. Install nonmetallic hose assembly (7) on straight adapter (6).
e. Install pipe elbow (8) on bottom end of nonmetallic hose assembly (7).
f. Install preformed hose (9) on expansion tank (20).
g. Insert expansion tube (11) into end of preformed hose (9) and secure with
top hose clamp (10).
h. Insert nonmetallic hose (12) on bottom end of expansion tube (11) and secure
with bottom hose clamp (10).
i. Install nonmetallic hose assembly (14) onto pipe to tube elbow (13).
j. Install pipe elbow (15) onto lower end of nonmetallic hose assembly (14).
k. Install pipe bushing (16), pipe coupling (17), and pipe nipple (18) onto
pipe elbow (15).
1. Fill cooling system. Refer to PMCS Table 2-1, -Item 5.
m. Start up engine. Refer to TM 55-1905-223-10.
n. Check for leaks. Repair as necessary.
o. Remove "Out of Service-" o Not Operate" tag.
D
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