TM 5-3895-370-14&P
b. Cleaning/Inspection.
WARNING
·· Drycleaning solvent (P-D-680) is TOXIC and flammable. Wear protective goggles
and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and
clothes and do not breathe vapors. Keep away from heat or flame. Never
smoke when using solvent; the flash point for type I drycleaning solvent is
100°F (38°C) and for type II is 140°F (60°C). Failure to do so may result in injury
or death to personnel. P-D-680 type III is a substitute for types I and II in this
application. The flash point for type III is 200°F (93°C).
· If personnel become dizzy while using cleaning solvent, immediately get fresh
air and medical help. If solvent contacts skin or clothes, flush with cold water.
If solvent contacts eyes, immediately flush eyes with water and get immediate
medical attention.
(1)
Install plugs in cooler core and soak in drycleaning solvent. Remove deposits on plates with brush.
(2)
Remove protective plugs and flush cooler core passages with clean drycleaning solvent.
(3)
Check soldered joints on cooler core for corrosion and cracks.
WARNING
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use
only
with
effective
chip
guarding
and
personal
protective
equipment
(goggles/shield, gloves, etc.).
(4)
Pressurize collar core with air to 70 psi (483 kPa) and submerge in pan of water. Check for leaks. Dry with
compressed air.
(5)
Check plunger for scratches and nicks.
(6)
Install plunger in filter head. If plunger does not move freely in bore, replace plunger.
(7)
Check plunger spring in the following manner:
(a)
Measure height A of spring while applying
13.5 lbs (60 N) of pressure. Height must
be no less than 1.77 in. (44.96 mm).
(b)
Measure height A of spring while applying
20.5 lbs (91 N) of pressure. Height must
be no less than 1.574 in. (39.98 mm).
(c)
Replace spring if height is less than above
limits.
(8)
Replace damaged parts.
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