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 TM55-1730-228-13&P
4-12. HYDRAULIC MOTOR, BRAKE AND DRIVE HUB ASSEMBLY- REPAIR (Continued)
4-12
NOTE
Bearing cones (32) and (34) and cups (33) and (35) will come out with hub.
(t) Remove hub (29) from spindle (30).
(u) Disassemble hub (29).
1
Pull oil seal (31) from hub and discard.
2
Remove bearing cone (32) and bearing cup (33) from hub.
3
Remove bearing cone (34) and bearing cup (35) from hub.
(2) Inspection:
(a) Clean all parts with cleaning solvent and dry with a lint-free cloth.
(b) Inspect moving parts for evidence of wear, burrs, nicks, chips, scoring and other damage.
(c) Replace damaged parts with new parts.
(3) Assembly:
(a) Press new bearing cups (33 and 35, Figure 4- 4) in each side of hub (29).
(b) Install a bearing cone (32) in cup (33) on spindle (30) side of hub (29).
NOTE
Channel in oil seal faces hub. Press seal flush with surface of hub.
(c) Press new oil seal (31) in spindle side of hub.
(d) Lubricate lips of oil seal (31) with gear lube.
NOTE
Hub should be centered as it is lowered over spindle to prevent seal damage.
(e) With spindle (30) upright, carefully lower hub (29) onto spindle.
(f) Install bearing cone (34) over spindle and into bearing cup (35) in hub (29).
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4-43
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