Spicer Drive Axles Service Manual J175-S, J190-S, J210-S, J220-S, J230-SB, W230-S - Manual (Page 21)

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RING GEAR AND PINION TOOTH CONTACT PATTERN
CORRECT GEAR PATTERNS FOR GLEASON CUT GEARS
HEAVILY LOADED LIGHTLY LOADED
The procedures to the right are to be used to establish
proper gear tooth pattern after assembly of the carrier is
complete.
NOTE: If matched sets are being reused, measure and
record backlash before disassembly, and reassemble to
the same backlash. This will match ring and pinion
gears to the established wear patterns. Hand rolled
patterns will cover less area than the gear pattern
established by previous service.
STEP 1. Paint 1/4 ring gear with marking compound on
both the drive and coast side.
STEP 2. Rotate ring gear at least one complete revolution
in
both directions while load is being applied.
NOTE: Tooth contact pattern, on this axle model, can be moved only by adjusting backlash. The contact pattern
can be moved in the direction of heel-to-toe, and toe-to-heel; Depth of the pattern cannot be adjusted. If an
acceptable tooth contact pattern cannot be established within limits of backlash, contact Spicer Service at 1-
800-666-8688.