Spicer Drive Axles Service Manual J175-S, J190-S, J210-S, J220-S, J230-SB, W230-S - Manual (Page 11)

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DIFFERENTIAL DISASSEMBLY
6. If differential bearing cones are to be replaced,
remove old bearings using a suitable puller.
See
Figure 4.
Figure 4
CORRECT PROCEDURE
Case Ring Gear
INCORRECT PROCEDURE
NOTE: Inspect all parts, including the machined
surfaces of the case halves.
If any gears are to be replaced, they must be replaced in
sets. Inspect thrust washers for scoring and excessive
wear. Replace all worn or damaged parts
.
7. When it is necessary to remove ring gear from the
differential case, carefully center punch each rivet
head. Using a 9/16" drill bit, drill through rivet
heads to depth shown. Next, use a rounded
type punch to drive out remaining portion
of the rivet.
Differential Disassembly Complete
CAUTION: Always use a soft hammer or H.D. plastic
head hammer to strike punch.
NOTE: Do not use a chisel to remove rivet heads,
damage to differential case may result.
Case
Ring Gear