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ENGINE, FUEL, EXHAUST AND COOLING
4-4.
Cylinder Head Assembly with
REMOVAL
TM 10-3930-643-34
TROUBLESHOOTING AND MAINTENANCE.
Valves. (Sheet 3 of 18)
1.
Using a flat tip screwdriver, dis-
connect hose (1) in top, right front
of engine.
2.
Using a standard pipe wrench or slip
joint pliers, remove valve (2) and
tee (3).
3.
Using a 13/16” socket and socket
wrench handle, remove 20 bolts
(4)
and washers (5) in top of engine.
4.
Insert a pry bar at front, left side
of
cylinder
head (6) between
indentation and crankcase. Pry with
rolling motion to break seal
formed
by head gasket sealant.
Weight of cylinder head assembly
with valves is 200 lbs.
Use
adequate hoist
and
adjustable
lifting beam for removal and
installation.
Keep area clear of
unnecessary personnel.
Failure to
follow this procedure could result
in SEVERE INJURY.
5.
Attach hoist and adjustable lifting
beam to two lifting brackets (20) and
remove cylinder head (6).
Supporting
cables or chains should be parallel
to each other and as
near
perpendicular to cylinder head (6) as
possible. Cylinder head (6) must be
placed on wood blocks to protect
valves and deck.
6.
Using a gasket scraper or putty
knife, remove and discard gasket (7).
Go to sheet 4
4-31
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