M325B Material Handler Power Train Caterpillar

Differential - Disassemble

Usage:

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-2420	Repair Stand	1
	FT-0957	Adapter Group	1
	FT-0996	Positioning Group	1
B	8T-5096	Dial Indicator Gp	1
C	1U-8221	Lifting Sling	1
D	138-7575	Link Bracket	2
E	FT-2744	Yoke Holding Tool	1
F	2P-8312	Retaining Ring Pliers	1
G	1P-0510	Driver Gp	1

Start By:

Remove the differential carrier assembly. Refer to Disassembly and Assembly, "Axle - Disassemble".

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Illustration 1	g00719128

Mount differential carrier assembly (1) to Tool (A).
Note: Inspect the hypoid gear set for damage before you work on the differential carrier assembly. If the inspection shows no damage, the same gear set can be used again.
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Illustration 2 g00716181
Use Tool (B) in order to measure the backlash of ring gear (2). Record the dimension for use during later assembly.
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Illustration 3 g00716187
Loosen locknut (3). Remove thrust screw (4) and the locknut from differential carrier assembly (1).
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Illustration 4 g00716197
Identify bearing cap (6) and differential carrier assembly (1) for later installation. Remove cotter pin (5) that retains adjusting ring (7) for the differential bearings.
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Illustration 5 g00716199
Remove bolts (8) that secure bearing cap (6) to the differential carrier assembly (1). Remove the bearing cap and the adjusting ring.
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Illustration 6 g00716202
Use Tool (C) and a suitable lifting device in order to remove differential (9) from differential carrier assembly (1).
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Illustration 7 g00716254
Identify differential case halves (11) for later assembly.
Remove twelve bolts (10) and separate the differential case halves.
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Illustration 8 g00716257
Remove side gear (13) and remove thrust washer (12).
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Illustration 9 g00716260
Remove spider gear assembly (14) from differential case half (11).
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Illustration 10 g00716263
Remove side gear (15) and remove thrust washer (16) (not shown) from differential case half (11).
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Illustration 11 g00716272
Remove bolts (17) that secure ring gear (18) to differential case half (11). Use a suitable press in order to separate the ring gear from the differential case half.
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Illustration 12 g00724292
Use a suitable press in order to remove bearing (19) from differential case half (11).
Repeat Step 13 for the other differential case half.
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Illustration 13 g00716203
Install Tool (D) to the differential carrier assembly.
Remove differential carrier assembly (1) from Tool (A) and reinstall the differential carrier assembly on Tool (A). Mount the differential carrier assembly on Tool (A) with seal flange (20) upward.
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Illustration 14 g00724241
If yoke (21) is installed, then use Tool (E) in order to hold the yoke. Loosen retaining nut (22) for the yoke.
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Illustration 15 g00716244
Remove bolts (23) that secure seal flange (20) to the differential carrier assembly (1). Remove the seal flange and pinion gear assembly from the differential carrier assembly.
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Illustration 16 g00724306
Use Tool (F) to remove retaining clip (24). Use a suitable puller in order to remove bearing (25) from pinion gear (26).
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Illustration 17 g00724328
Use Tool (G) and a suitable press in order to press pinion gear (26) out of pinion housing (27).