TM 5-3895-369-14
5-30. ENGINE OIL COOLER REPAIR (CONT).
b. Cleaning/Inspection.
•
Drycleaning solvent (P-D-680) is TOXIC and flammable. Wear protective goggles and gloves; use
only in 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 flashpoint 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.
•
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.
Compressed air used for cleaning purposes must 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.
(44.98 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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