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TM 5-2420-222-34
9-3.
REAR AXLE HOUSING, SHAFTS, SEALS, BEARINGS, AND PLANETARY PINION CARRIER MAINTENANCE
(Con’t).
WARNING
Hot oil gives off highly flammable fumes. When heating parts In oil, do not smoke
or allow open flame nearby. Make sure area Is well-ventilated. Heat parts only In
tank with lid which can be closed quickly to extinguish fire. Wear eye protection,
protective gloves and clothing when heating parts In oil and handling hot parts.
Hot oil and hot
CAUTION
Do not heat tapered cone and rollers over
300°F (149°C). If overheated, temper of
bearing will be affected, causing tapered
cone and rollers failure.
10. Using oil heating equipment, heat tapered cone and
rollers (43) in oil. When hot, position tapered cone
and rollers in place on axle shaft (15).
11. Using retaining ring pliers, position retaining ring (36) in place on planetary pinion carrier (32).
NOTE
There are 23 roller bearings for each planetary pinion.
12. Using grease to hold them in place, install 69 roller bearings (27) in three spur gears (26).
13. Install three spur gears (26) with assembled parts and six thrust washer bearings (25) in planetary pinion carrier (32).
CAUTION
Ensure that roller bearings do not fall out of place. Roller bearings will bend when
planetary pinion shafts are installed. Install planetary pinion shafts slowly to
prevent bends to roller bearings.
14. Install three planetary pinion shafts (28) in planetary pinion carrier (32) and three spur gears (26) with assembled parts
until ends of planetary pinion shafts contact retaining ring (36).
15. Using retaining ring pliers, squeeze retaining ring (36) together and slide three planetary pinion shafts (28) in all the
way. Release retaining ring and lock in slots of each planetary pinion shaft.
TA701446
9-20
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