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TM 10-3930-643-34
ENGINE, FUEL, EXHAUST AND COOLING TROUBLESHOOTING AND MAINTENANCE. (cent)
5.
6.
7.
8.
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.).
Clean all parts with cleaning solvent
P-D-680.
Dry thoroughly with
compressed air.
Refer to paragraph
2-8.
Inspect oil filter base (4). Replace
if cracked, warped,
distorted or
damaged.
Check inlet and outlet
passages for
dirt or blockage.
Remove blockage or replace.
Inspect check valve (10).
Replace if
worn or damaged.
Using a spring resiliency tester,
4-8.
Oil Filter Base. (Sheet 3 of 4)
CLEANING/INSPECTION
l TOXIC/FLAMMABLE
measure free length of spring
(9).
Free length should be 2.075 inches.
Go to sheet 4
4-66
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