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TM 10-3930-643-34
ENGINE, FUEL, EXHAUST AND COOLING
4-4. Cylinder Head Assembly with
TROUBLESHOOTING AND MAINTENANCE. (cont)
Valves. (Sheet 12 of 18)
DISASSEMBLY/CLEANING/INSPECTION (cont)
45.
Using a ball peen hammer and flat
punch, a 13/16” socket, a socket
wrench handle, 2-7/16” nuts and two
5/8” open end wrenches, remove six
plugs (17 and 18), sleeves (19),
and 12 studs (20).
46.
Using a 13/16” socket and socket
wrench handle, remove two bolts
(21) and brackets (21a).
l TOXIC/FLAMMABLE
Dry cleaning solvent P-D-680, used
for cleaning parts, is toxic and
flammable.
Use only in well
ventilated areas.
Wear protective
goggles and gloves. Do not smoke
or allow open flames or sparks in
areas where cleaning solvent
is
used or stored.
Avoid contact
with eyes, skin or clothing. If
contact with eyes is made,
flush
with cold water and seek medical
attention immediately.
If contact
with skin or clothing is
made,
flush with cold water.
If you
become dizzy while using cleaning
solvent,
get
fresh
air
immediately.
l COMPRESSED AIR HAZARD
Compressed air used for cleaning
purposes will not exceed 30 psi.
Use only with effective chip
guarding and personal protective
equipment (goggles/shield, gloves,
etc.).
47.
Clean all other parts with cleaning
solvent P-D-680.
Dry thoroughly with
compressed air. Refer to paragraph
2-8.
48.
Inspect all parts.
Refer to
paragraph 2-9.
Go to sheet 13
4-40
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