Spicer Tandem Drive Axles Service Manual D__R440, 460, 480, D_R461, 462, 463, 521, 581, 601, 651, 652, 653 - Manual (Page 68)

64
Drive Pinion
9. Stake pilot bearing using staking tool. This is essen-
tial to retain the bearing.
10. Rear Axle Only: With pinion installed and bearing
preload adjustment complete, install oil seal. Use
properly sized installation tool as described on page
92 to prevent distortion.
11. Rear Axle Only: Prior to installation of yoke, make
sure yoke is clean and dry.
12. Install yoke.
13. Install and tighten the nut to the specified torque:
840–1020 lbs. ft. (1140–1383 N•m).
Note: Use of a torque multiplier is recommended.
TIP: If you can't get the correct torque on yoke nut,
try torquing the nut with the truck wheels on the
ground and with the axle shafts installed.
Note: Forward axle pinion helical gear and bearing: These
parts are installed after pinion installation in carrier (see
Install Helical Gear and Pinion Outer Support Bearing-
Forward Axle Only on page 65).
1 - Tool
2 - Seal
3 - Bearing cage
1
2
3
Specification for Final Pinion Bearing Preload Test
(“Press-fit” Outer Pinion Bearings)
Nut Torque
Axle Models lbs. ft. N•m
Forward Axles
Self-Locking Nut 840 - 1020 1139 - 1383
Slotted Nut & Roll
Pin 980* 1329*
Rear Axles 840 - 1020 1139 - 1383
* Torque nut to 980 lbs. ft.. (1329 N•m), then continue tight-
ening nut to align nut slot to nearest hole in pinion shank.