Inspect primary gearing, Check input shaft end-play (forward axle), Check output shaft end-play (forward axle) – Spicer Tandem Drive Axles Service Manual D__R440, 460, 480, D_R461, 462, 463, 521, 581, 601, 651, 652, 653 User Manual

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Inspection

Inspect Primary Gearing

Before reusing a primary gear set, inspect teeth for signs of ex-
cessive wear. Check tooth contact pattern for evidence of in-
correct adjustment.

Check Input Shaft End-play (Forward Axle)

Note: Before disassembling the power divider, measure and

record input shaft end-play.

See illustration for steps 1-3.

1.

Position dial indicator at yoke end of input shaft.

2.

Push in on input shaft and zero the dial indicator.

3.

Using a pry bar, move input shaft axially and mea-
sure/record end-play.

Adjustment
Correct end-play for a new assembly is .003" to .007". The
maximum end-play for a used assembly is no more than .014".
If end-play is incorrect, determine shim pack changes as fol-
lows:

Check Output Shaft End-play
(Forward Axle)

See illustration for steps 1-3.

1.

Position dial indicator at yoke end of output shaft.

2.

Push in on output shaft and zero the dial indicator.

3.

Using a pry bar, move input shaft axially and mea-
sure/record end-play.

Adjustment
Correct end-play for a new assembly is .001" to .005". The
maximum end-play for a used assembly is no more than .005".
If end-play is incorrect, contact Dana.

Add shims to increase end-play

Desired end-play (New Parts)

0.003" to 0.007"

Measured end-play (Step 3)

0.001”-0.001”

Add shims to provide desired end-play

0.002" to 0.006"

Remove shim to decrease end-play

Measured end-play (Step 3)

0.015" – 0.015"

Desired end-play (New Parts)

0.003” to 0.007”

Remove shims to provide desired end-
play

0.012” to 0.008”

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