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TM 55-1905-219-14-5
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 3-71 for removal of the injectors.
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)
3-1470
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