Spicer Tandem Drive Axles Service Manual D__R440, 460, 480, D_R461, 462, 463, 521, 581, 601, 651, 652, 653 - Manual (Page 70)

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Drive Pinion
Install Helical Gear and Pinion Outer Support
Bearing - Forward Axle Only
Note: After differential adjustment is complete or if dummy
yoke was used, remove nut and yoke. Then continue to
assemble pinion as follows:
1. On D440-P and D460-P only, install helical gear spac-
er. Install helical gear on pinion using driver and ham-
mer.
2. Install pinion outer support bearing using driver and
hammer.
3. Install self-locking nut or slotted nut. Torque nut
properly (see chart), using a suitable fixture to hold
helical gear.
Note: On axles equipped with slotted nut and roll pin, do not
install roll pin until carrier adjustments are completed.
If the power divider was built before February 2000, continue
with Step 4.
After February, 2000
One Piece Support Bearing
1 - Slotted nut and roll pin
2 - Support bearing race
3 - Helical gear
4 - Helical gear spacer
Before February, 2000
Two Piece Support Bearing
1 - Support bearing race
2 - Snap ring
3 - Slotted nut and roll pin
4 - Self locking nut
5 - Pinion outer support bearing
6 - Helical gear
7 - Helical gear spacer (D440-P, D460-P only)
1
2
4
3
1
2
3
4
5
7
6