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 TM 55-1905-220-14-5
3-89.1. CYLINDER HEAD - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (Cont)
NOTE
If the cylinder head is to be disassembled for reconditioning of the exhaust valves and valve seat
inserts or for a complete overhaul, remove fuel pipes and injectors at this time. See paragraph 3-
Check the torque on the cylinder head bolts and stud nuts (if used) before removing the head.
Then, remove the bolts and nuts and lift the cylinder head from the cylinder block. If interference
is encountered between the rear end of the right-bank cylinder head and any of the flywheel
attaching bolts, loosen the bolts. Checking the torque before removing the head bolts and
examining the condition of the compression gaskets and seals after the head is removed may
reveal the causes of any cylinder head problems.
CAUTION
When placing the cylinder head assembly on a bench, protect the cam followers and injector spray
tips, if the injectors were not removed, by resting the valve side of the head on 2 inch (5.08 cm) wood
blocks.
12.
Cylinder
a. Bolts
Remove fourteen bolts.
head
(1)
b. Head
Remove.
Requires two
(2)
persons.
c.
Oil
Remove.
Discard.
seal
ring (3)
d. Seal
Remove ten rings.
Discard.
rings
(water
hole)
(4)
3-1452
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