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 TM 55-1905-219-14-6
3-164.1. CYLINDER HEAD - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
20.
Water
Water hole
Check that they are
Replace, if
holes
nozzles
not loose.
necessary, as
(single
follows:
outlet)
(23),
a. Remove the
and old
nozzles.
(double
outlet)
b. Make sure the
(24)
water inlet
ports in the
cylinder head
are clean and
free of scale.
The water holes
at each end of
the head may
be cleaned
with a 1/2
inch (1.27
cm) drill
and the inter-
mediate holes
may be cleaned
with a 13/16
inch (2.063
cm) drill.
Break the
edges of the
holes
slightly.
3-2736
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