TM 5-3810-306-34
CLEANING AND INSPECTION:
a. The length of roll pins (31) is slightly less
than diameter of planet shafts (27). Use a
punch to carefully drive roll pins (31) into
WARNING
planet shafts (27) until planet shafts can
be removed. Ensure pins do not engage
Dry cleaning solvent P-D680 is toxic
lip of shafts on inside.
and flammable.
Wear protective
goggles and gloves and use only in a
b. Tap planet shafts (27) from planet gears
well ventilated area. Avoid contact
(28) and planet cage assembly (30).
with skin, eyes, and clothes and do
Remove planet gears (28).
not breathe vapors. Do not use near
open flame or excessive heat. The
NOTE
flash point is 100F-138F (38-59C).
If you become dizzy while using
After planet gear shafts have been
cleaning solvent, get fresh air
removed, roll pins can be tapped out
immediately and get medical aid. If
and re-used if they are serviceable.
contact with eyes is made, wash your
eyes with water and get medical aid
c. Using a press or driver, remove both
immediately. Compressed air used
bearings (25) and spacer (26) from each
for cleaning purposes will not exceed
planet gear.
30 psi. Use only with effective chip
guarding and personal protective
d. If the internal gear (36) needs to be
equipment (goggles/shield, gloves,
serviced,
remove
capscrews
(35),
etc.).
lockwashers (44) and locknuts (43);
otherwise just ensure they are properly
1. CLEAN ALL PARTS IN SOLVENT P-D-680.
torqued to 75 ft-lbs (100 Nm).
2. INSPECT GEAR TEETH FOR CRACKS AND
e. If the bearing (37) and seal retainer (33)
DAMAGE.
remained in housing (40), use a puller or
driver and remove from housing (40).
3. INSPECT BEARINGS
AND
RACES
FOR
SCORING AND WEAR.
f. Turn housing (40) and, using a brass rod
and mallet, remove lower shaft bearing
4. INSPECT PLANET SHAFTS FOR WEAR.
outer race.
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