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 TM 55-1905-223-24-1
c.
Inspect the water filter head assembly (4) body counterbores to make sure fluid has a clear passage.
Clean openings as required.
d.
Replace any component that shows signs of excess wear. Be sure the shutoff valve shaft turns freely
in the water filter head body.
e.
Inspect the preformed packing (3, 6) for nicks, cuts, or deformity. Replace if necessary.
REPLACEMENT
a.
Assemble preformed packing (6) to shutoff valve shaft (8) and replace spring pin (7).
b.
Replace shutoff valve shaft (8) on water filter head assembly (4).
c.
Position pipe plug (1) on water filter head assembly (4) counterbores.
d.
Position water filter head assembly (4). Install two lockwashers (10) and hexagon head capscrews (9).
Tighten to 30 ft-lb (40 N ).
m
CAUTION
Mechanical tightening may distort threads or damage filter element seals. Tighten by hand only.
e.
Position new filter elements (5) on water filter head assembly (4) and secure by threading filter
elements clockwise, by hand, until element seal touches filter head. Tighten and additional one-half to
three-quarters turn.
f.
Turn water filter shutoff valves to the ON position.
g.
Refill cooling system with coolant which was drained, or from pre-mixed supply.
h.
Start engine (TM 55-1905-223-10).
i.
Observe coolant level and temperature.
j.
Check for leaks, repair as necessary.
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