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TM 9-2320-364-34-4
20-169
b.
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.
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.
(1)
Clean all parts with drycleaning solvent.
(2)
Dry all parts, except bearings, with compressed air. Allow bearings to air dry.
(3)
Inspect bearing for scoring, pitting, or flat spots on rollers or cones.
(4)
Examine gear teeth for scoring, pitting, and chips.
(5)
Replace all damaged parts.
c.
Assembly.
NOTE
Perform Steps (1) through (6) only if bearing cups were removed.
The idler gear bearing is a matched assembly. Do not mix the components with another
bearing assembly.
(1)
Support idler gear (1), shoulder down, on
bed of press.
(2)
Apply lubricating oil to inner bearing
cup (2) and position inner bearing cup,
numbered side up, into bore of gear (1).
(3)
Press inner bearing cup (2) to seat against
shoulder of idler gear (1).
(4)
Install outer spacer ring (3) on inner bearing
cup (2).
(5)
Apply lubricating oil to outer bearing
cup (4) and position outer bearing cup,
numbered side down, into bore of idler
gear (1).
(6)
Press outer bearing cup (4) against outer
spacer ring (3).
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