730C2 and 725C2 Articulated Truck Power Train Caterpillar

Transfer Case - Disassemble - Center Axle

Usage:

Disassemble Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	439-3939	Link Bracket As	2
B	1P-0520	Driver Gp	1
C	5P-5197	Retaining Ring Pliers As	1
D	289-2838	Spanner Wrench	1
E	5F-7343	Bearing Puller Gp	1

Start By:

Remove the transfer case.

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Illustration 1	g06126591

Place transfer case (1) in a suitable work bench.
Remove bolts (2)
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Illustration 2 g06126602
Attach Tooling (A) and a suitable lifting device to yoke (3). The weight of yoke (3) is approximately 36 kg (80 lb). Remove yoke (3).
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Illustration 3 g06126604

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Illustration 4 g06126614
Remove bolts (4) from seal trainer (5). Install two bolts (4) as a forcing bolt in the pusher holes and remove seal retainer (5).
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Illustration 5 g06126620
Use Tooling (B) to remove lip seal (6). Remove O-ring seal (7) from the seal retainer.
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Illustration 6 g06126621
Remove bolts (8), bearing cage (9), and the shims.
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Illustration 7 g06126622
Use Tooling (C) to remove retaining ring (11). Remove retaining ring (11) and lock washer (10).
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Illustration 8 g06126623
Use Tooling (D) to remove lock nut (12). Remove lock nut (12) and notched washer (13),
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Illustration 9 g06126633
Remove bolts (15). Use three pusher bolts (14) and two to remove upper bearing cage (16). The weight of bearing cage (16) is approximately 38 kg (84 lb).
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Illustration 10 g06126634
Remove bearing cone (17). Use Tooling (B) to remove bearing cup (18).
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Illustration 11 g06126636
Remove O-ring seal (20), gear assembly (19), retaining ring (21), and gear (22).
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Illustration 12 g06126638
Use Tooling (B) to remove bearing cups (23).
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Illustration 13 g06126640
Use suitable press and Tooling (E) to remove bearing cone (24). Remove bearing cone (24) from the pinion shaft.
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Illustration 14 g06126641
Use suitable press and Tooling (E) to remove bearing cone (26) and roller bearing (25) from the gear assembly.
Remove bearing cone (26) and roller bearing (25).
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Illustration 15 g06126642
Use Tooling (B) to remove cup plug (27) from the center of gear assembly.
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Illustration 16 g06126645
Reposition lower bearing cage (28) and remove O-ring seal (28).