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TM 9-2350-287-20-2
11-11. FINAL DRIVE SPROCKET AND HUB REPLACEMENT (continued).
3.
Remove 10 self-locking nuts (7) and screws (8) and inner sprocket (1) from hub (2). Remove two self-locking
screws (3) from hub pilot holes. Discard self-locking nuts and self-locking screws.
b.
INSTALLATION
1.
Install inner sprocket (1) on hub (2) with 10 screws (8) and new self-locking nuts (7). Torque to 90 ft-lb (122
N•m).
WARNING
Hub is very heavy. To prevent injury, at least two people are needed when Installing
hub.
NOTE
Hub with inner and outer sprockets attached may be installed as an assembly by
securing with eight screws.
2.
Install hub (2) on drive assembly (9) with eight new self-locking screws (3). Torque screws between 450 and
475 ft-lb (610 and 644 N•m).
3.
Install outer sprocket (4) with 10 screws (5) and new self-locking nuts
(122 N•m).
(6) on hub (2). Torque nuts to 90 ft-lb
FOLLOW-ON MAINTENANCE:
• Connect track (para 11-14).
11-26
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