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 TM 55-1905-223-24-1
(1) Remove two fluid filter elements (5) by unscrewing with oil filter wrench.
(2) Use filter cutter to cut open the fluid filter elements. Check inside fluid filter elements for metal
particles. Determine cause of problem if metal particles are found. Discard fluid filter elements.
(3) Disconnect and remove two nonmetallic hose assemblies (3 and 4).
(4) Remove two hexagon head capscrews (2) and lockwashers (1).
(5) Remove lube oil bypass filter assembly (6).
REPAIR
Repair of the lube oil bypass filter group is accomplished by replacing defective parts. Repair of the lube oil
bypass filter assembly is covered in paragraph 2-26.
REPLACEMENT
a. Install lube oil bypass filter group.
(1) Position lube oil bypass filter assembly (6) to cylinder block. Install two lockwashers(1) and
hexagon head capscrews (2). Tighten capscrews to 35 to 40 ft-lb (47 to 54 Nm).
(2) Connect two nonmetallic hose assemblies (3 and 4).
CAUTION
Mechanical tightening may distort threads or damage fluid filter
element seals.
(3) Fill two fluid filter elements (5) with clean engine lube oil.
(4) Install fluid filter elements (5). Tighten by hand until the fluid filter element seal touches the lube oil
bypass filter assembly (6). Tighten an additional one-half to three-quarters tun.
r
b. Add engine lube oil.
(1) Fill the crankcase to the "H" mark on the dipstick or on the sight gauge.
(2) Start engine (TM 55-1905-223-10) and check for leaks. Correct any leaks found.
(3) Shut down engine (TM 55-1905-223-10) and allow 15 minutes for lube oil to drain back into engine
oil pan.
(4) Recheck oil level. Add lube oil, if necessary.
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