BEARING (standard) 6N6991 - Caterpillar

Table 1
Required Parts
Item Qty Part
1 1 503-2259 Bearing Locknut
2 1 507-1620 Bearing As
3 1 6V-2404 Bearing Lockwasher
4 1 9P-7072 Washer
Illustration 1 g06190296Disassembly
During the disassembly of the bevel gear shaft, the following parts are the only parts to be inspected and possibly reused.
Qty 2 9P-1478 Shim Pack
Qty 1 9W-1570 Bearing Cage AsAll other parts are to be discarded.
Bend the locking tab away from 1L-6957 Bearing Locknut.
Remove and discard 1L-6957 Bearing Locknut, 6V-2404 Bearing Lockwasher, 9P-7072 Washer, and outboard 1P-3935 Bearing Cone.
Remove 9W-1570 Bearing Cage As, and 9P-1478 Shim Pack (qty 2), and set parts aside.
Remove and discard 9W-8612 Bearing Spacer, and inboard 1P-3935 Bearing Cone.
Remove and discard 1P-3934 Bearing Cup (qty 2), and 6T-0364 Retaining Ring from 9W-1570 Bearing Cage As.Assembly
The assembly process does not change except for Steps 7 through 9.
Install new 6T-0364 Retaining Ring (from 507-1620 Bearing As) into the groove of 9W-1570 Bearing Cage As.
Press new 1P-3934 Bearing Cup (from 507-1620 Bearing As) into 9W-1570 Bearing Cage As.
Install new inboard 1P-3935 Bearing Cone (from 507-1620 Bearing As) onto the bevel shaft.
Install new 9W-8612 Bearing Spacer (from 507-1620 Bearing As) onto the bevel shaft.
Install 9W-1570 Bearing Cage As (with 1P-3934 Bearing Cup and 6T-0364 Retaining Ring) onto the bevel shaft.
Install new outboard 1P-3935 Bearing Cone (from 507-1620 Bearing As) onto the bevel shaft.
Install new 9P-7072 Washer, new 6V-2404 Bearing Lockwasher, and new 503-2259 Bearing Locknut. Apply anti-seize compound to the threads and face of the locknut prior to installation.
Adequately constrain the bevel shaft to apply torque to 503-2259 Bearing Locknut. Torque the locknut to 900 100 N m (664 74 lb ft). Index locknut until a 6V-2404 Bearing Lockwasher tab lines up with the next nearest 503-2259 Bearing Locknut slot. Bend the tab into the slot.
Verify and adjust bevel gear backlash as necessary. Appropriate backlash settings are dependent upon the specific machine model.