Differential carrier overhaul, Forward and rear axles) assemble drive pinion – Spicer Tandem Drive Axle Dual Range & Double Planetary 34,000-45,000 lbs User Manual

Page 52

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Differential Carrier Overhaul

(Forward and Rear Axles)

Assemble Drive Pinion

("press-fit" outer pinion bearing) (Cont'd)

2.

Press pilot bearing on pinion.

IMPORTANT:

To prevent bearing

damage, use suitable sleeve that

only contacts inner bearing race.

5.

Install preselected bearing

spacer on pinion.

3.

Stake pilot bearing using staking

tool. This is essential to retain the

bearing.

NOTE: During pinion bearing in-

stallation, locate each part in same

position that was used in "Trial

Build-up" Preload Test.

6.

Install bearing cage on drive

pinion.

8. Rear Axle Only.

With pinion

installed and bearing preload ad-

justment complete, install oil seal

with a press. **

9. Rear Axle Only.

Prior to installa-

tion of yoke, lubricate oil seal and

make sure yoke is clean and dry.

Install yoke, flat washer* and nut.

Torque nut to correct specification.

4.

Press inner bearing cone on

pinion.

IMPORTANT:

To prevent bearing

damage, use suitable sleeve that

only contacts inner race of bearing

cone.

7.

Press outer bearing cone on

pinion.

IMPORTANT:

To prevent bearing

damage, use suitable sleeve that

only contacts inner race of bearing

cone.

IMPORTANT:

At this stage of

assembly, "final-check" pinion bear-

ing preload. See Adjustment Sec-

tion of this manual.

NOTE:

After tightening pinion

nut, recheck pinion bearing rolling

torque. See Adjustment Section for

"Press-fit' outer pinion bearing.

10. Forward Axle Pinion Helical

Gear and Nut:

These parts are

installed during pinion installation

(see page 54).

** IMPORTANT:

Refer to page 15 for service information on Seals, Yokes & Slingers.

5 2

* Flat washer not used on axles with metric threaded nuts.

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