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TM 9-2320-364-34-4
23-31
c.
Cleaning/Inspection.
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face
shield, 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 flashpoint for Type II Drycleaning Solvent is 140 degrees F (60 degrees
C) and Type III Drycleaning Solvent is 200 degrees F (93 degrees 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.
Use extreme care when handling valve body. Do not bump valve in any way or damage
may occur to part.
(1)
Clean control valve housing and cover with drycleaning solvent.
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).
Failure to comply may result in injury or death to personnel.
(2)
Dry valve housing and cover with compressed air.
(3)
Inspect bores, valves and surfaces of control valve body for cracks, nicks or burrs. Replace if damaged.
(4)
Inspect machined surface of valve body for scratches, nicks, burrs and scoring. Replace if damaged.
NOTE
Machined surface of valve body should be flat to within 0.002 in. (0.051 mm) total not to
exceed a rate of 0.0005 in. (0.0127 mm) per inch. Replace valve body if not within
specification.
(5)
Measure machined surface of valve body for flatness.
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