320 VH and VM Variable Gauge Undercarriage Caterpillar

Final Drive - Disassemble

Usage:

325D C3N

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P - 2420	Repair Stand	1
B	1U - 6400	Puller	1
C	5P - 8707	Plate	1
	1P - 0520	Driver Group	1
	5F - 7366	Forcing Bolt	1
	8T - 0207	Bolt	2
	3H - 0465	Puller Plate	2
	1P - 5546	Cross Block	1

Start By:

Remove the final drive.

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Illustration 1	g03034523

Secure final drive (3) to Tooling (A) The weight of the final drive is approximately 254 kg (560 lb). Remove bolts (2) and housing (1). Remove O-ring seal from housing (1).
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Illustration 2 g03034527

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Illustration 3 g03034528
Remove retaining ring (4) and planet gear (5). If necessary, use Tooling (B) to remove planet gears (5).
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Illustration 4 g03034530
Remove retaining ring (7) and planet gear carrier (6).
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Illustration 5 g03034536
Remove sun gear (8).
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Illustration 6 g03034556
Remove spacer (9) from sun gear (8).
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Illustration 7 g03034559

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Illustration 8 g03034582
Remove sun gear (12) and remove retaining ring (10) and planet gears (11). If necessary, use Tooling (B) to remove planet gears (11).
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Illustration 9 g03034575
Remove retaining ring (13) and planet carrier (14).
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Illustration 10 g03034581
Remove sun gear (16) and remove bolt's (15).
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Illustration 11 g03034598
Attach suitable lifting device to planet carrier (17). The weight of plant carrier is approximately 32 kg (70 lb). Remove planet carrier (17).
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Illustration 12 g03034599
Remove final drive (3) from Tooling (A). Place final drive (3) on floor. The weight of final drive is approximately 163 kg (360 lb).Remove bolts (18) and flange (19).
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Illustration 13 g03034600
Use Tooling (C) to press down on the pushing disc (20), to remove retaining ring (21).
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Illustration 14 g03034604
Remove springs (22) and brake shaft (23).
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Illustration 15 g03034620
Remove piston (24).
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Illustration 16 g03034621
Remove plates (25) and discs (26) .
Note: Note the order at which the friction discs and plates are removed. For installation purposes.
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Illustration 17 g03034698
Remove O-ring seals (27), cap screws (28) and cover (29).
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Illustration 18 g03034716

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Illustration 19 g03034718
Remove Duo-Cone seal (30) and Duo-Cone seal (31).