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TM 5-2420-222-34
8-5.
TRANSMISSION DRIVE SHAFT MAINTENANCE (Con’t).
b.
DISASSEMBLY
1.
Remove needle roller bearing (9) from drive shaft (10).
2.
Using mechanical gear and bearing puller kit, remove two tapered roller bearings (8 and 11) from drive shaft (10).
c.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame
or excessive heat. The solvent's flash point is 100°F-1380F (38°C-59°C). If you
become dizzy while using cleaning solvent, immediately get fresh air and medical
help. If solvent contacts eyes, Immediately wash your eyes and get medical aid.
1.
Clean all metal parts with dry cleaning solvent. Dry thoroughly with clean, dry rags.
2.
Inspect roller bearings (see TM 9-214).
3.
Inspect drive shaft for cracks, breaks, and damaged gear teeth. Replace if defective.
4.
Inspect shaft collar for cracks, breaks, and damaged splines. Replace if defective.
5.
Inspect all other metal parts for cracks, breaks, abnormal bends, and damaged threads. Replace defective parts.
d.
ASSEMBLY
1.
Using remover and installer and arbor press, install tapered roller bearing (8) on drive shaft (10).
2.
Using remover and installer and arbor press, Install tapered roller bearing (11) on drive shaft (10).
3.
Position needle roller bearing (9) in drive shaft (10).
e.
INSTALLATION
1.
Using remover and installer and ball-peen hammer, drive bearing cup (12) in transmission (7) until seated.
2.
Position drive shaft (10) with assembled parts in place in transmission (7), bearing cup (12), and two gears (13
3.
Using remover and installer and ball-peen hammer, drive bearing cup (6) in transmission (7).
4.
Position bearing retainer (4) and same number and thickness of shims (5) as noted during removal in place on
5.
Install three screws (2, 15, and 16) and lockplates (3) in bearing retainer (4) and transmission (7). Torque screws
to 35 lb.-ft. (47 N•m).
8-27
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