Spicer Single Drive Axles Service Manual: 34DS, 34RS, 38DS, 38RS, DS340, RS340, DS380, RS380, DS400, RS400, DS3 - Manual (Page 94)

Appendix
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7. If end play is acceptable (see chart), remove “U” bracket and bearing cover. Seal shim pack to prevent lube leak age. Reinstall
bearing cover and cap screws. Torque cap screws to 75-85 ft. lbs. (101-115 N.m). Continue axle assembly as necessary.
8. If end play is incorrect, change shim pack size as follows:
9. Recheck end play and adjust as necessary until end play is within acceptable tolerance.
10. When end play is correct, remove “U” bracket and bearing cover. Seal shim pack to prevent lube leakage. Reinstall bearing
cover and cap screws. Torque cap screws to 75-85 ft. lbs. (101-115 N.m). Continue axle assembly as necessary.
Add shims to increase end play.
Desired end play 0.003” to 0.007”
Measured end play (Step 6) 0.001 “ — 0.001“
Add shims to provide desired end play 0.002” to 0.006”
Remove shims to decrease end play.
Measured end play (Step 6) 0.015” — 0.015”
Desired end play 0.003” to 0.007”
Remove shims to provide desired end play 0.01 2“ to 0.008”