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 TM 55-1905-220-14-4
3-34. CYLINDER HEAD-MAINTENANCE INSTRUCTIONS (Cont.).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION AND REPAIR (Cont)
18. Exhaust
Inspect.
Refer to para-
valve
valve
areas
seat
inserts
and
valve
guides
REPAIR
19. Cam
Camfol-
Inspect for scoring
Light score
fol-
lower
or wear.
marks may be
lower
bores
cleaned up with
crocus cloth
wet with fuel
oil. Measure
the bore dia-
meter. The cam
follower-to-
cylinder head
clearance must
not exceed .006
inch (.015 cm)
with used parts
(refer to spec-
ifications).
If the bores
are excessively
scored or worn,
replace the
cylinder head.
20. Water
Water
Check that they are
Replace if
holes
hole
not loose.
necessary, as
nozzles
follows:
(single
outlet)
a. Remove the
(25),
old nozzles.
and
(double
b. Make sure the
outlet)
water inlet
(26)
ports in the
cylinder head
are clean and
free of scale.
3-744
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