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TM 9-2320-364-20-4
12-7
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.
(1)
Clean all metal parts with drycleaning
solvent.
(2)
Inspect metal parts for breaks, cracks, burrs,
and sharp edges. Look for unusual signs of
wear on the actuator and adjusting pawl.
When one brake shoe needs to
be replaced, all brake shoes for
that axle must be replaced.
Damage to equipment could
occur.
(3)
Check brake shoe linings (1) for grooves,
uneven wear, signs of overheating and
thickness. If there are signs of overheating,
if step on center edge of wear tab on brake
shoe lining is not visible or if 1/4 in. (6 mm)
thickness or less on any part of brake shoe, is
present, replace brake shoes.
(4)
Replace all damaged parts.
(5)
Coat adjusting bolts, seals, adjusting
plungers, actuators, plunger assemblies and
plug with grease.
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