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TM 5-4210-233-14&P-1
5-43. FORWARD TANDEM AXLE AND DRIVE UNIT-Continued
(47)
Apply silicone gasket material (Item 35, Appendix E) on mounting surface of shift assembly (44).
Install shift assembly (44) over shift shaft (45) and mount in position. Secure shift assembly (44)
with four screws (43). Torque the screws to 4 to 6 lb ft (5.5 to 8.5 Nm). Install jam nut (49) and
adjusting screw (48) The screw (48) will be adjusted after input shaft is installed in the carrier
housing (5).
(48)
Apply gear oil (Item 45, Appendix E) to all parts of the input shift assembly (44).
(49)
Install new oil seal (38) in bearing cage (28) by using a press. Do not apply pressure after flange of
oil seal (38) touches top of cage (28).
(50)
After seal (38) is installed a gap of 0.01 5 to 0.030 inch (0.381 to 0.762 mm) can exist between seal
flange and cage (28). Use a feeler gauge to measure gap. If the gap is more than 0.010 inch (0.254
mm) between highest and lowest measurement, remove seal (38) and again install new seal (38) to
achieve correct gap.
(51)
Install bearing cup (32) in bearing cage (28) by pressing bearing cup (32) into position. Install
bearing cone (33) on input shaft (25). Use a press and sleeve. Bottom of bearing cone (33) must
contact shoulder on input shaft (25).
(52)
Install new preformed packing (31) on bearing cage (28). Install the bearing cage (28) on the input
shaft (25) so that cup (32) encloses bearing cone (33).
(53)
Install oil baffle (34) on bearing cage (28) and secure with washers (36) and screws (35). Tighten
screws securely.
(54)
Install assembled bearing cage (28) on input shaft (25). Install clutch collar (37) on input shaft (25).
Install thrust washer (42) and gear (41) on shaft (25).
5-314
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