D7E Track-Type Tractor Power Train Caterpillar

Final Drive - Disassemble

Usage:

D7E HKA

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-2420	Transmission Repair Stand	1
B	138-7574	Link Bracket	3
C	8B-7548	Push-Puller Tool Group	1
	8H-0684	Ratchet Wrench	1
	8B-7554	Bearing Cup Puller	1
D	150-1782	Crossblock	1
E	350 -7768	Electric Hydraulic Pump	1
F	1P-0532	Plate	1
G	188-1456	Lifting Eye Bolt	1
H	154-6181	Forcing Bolt	2
J	8B-7551	Bearing Puller Gp	1
	3H-0465	Push-Puller Plate	1
	5F-7369	Puller Leg	2
	8B-7548	Push-Puller Tool Gp	1
K	138-7573	Link Bracket	3

Start By:

Remove the final drive.

Drain the oil from the final drive into a suitable container for storage or disposal.
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Illustration 1 g01623802
Attach Tooling (B) and a suitable lifting device to final drive (1). The weight of final drive assembly (1) is approximately 880 kg (1940 lb). Attach final drive assembly (1) to Tooling (A).
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Illustration 2 g01623825
Remove cover (2).
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Illustration 3 g01624420
Attach Tooling (G) to sun gear (3).
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Illustration 4 g03840733
If equipped, remove shields (4a) by removing bolts 1 through 10 shown in Illustration 4.
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Illustration 5 g01624447
Remove bolts (4).
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Illustration 6 g02487582
Attach a suitable lifting device and Tooling (K) in order to remove planetary carrier (5). The weight of planetary carrier (5) is approximately 163 kg (360 lb). Remove O-ring (5A).
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Illustration 7 g02482500
Remove bolts (6) and plate (7).
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Illustration 8 g01624699
Use a suitable press to remove shafts (8) from the planetary carrier.
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Illustration 9 g01624716
Remove gears (9) from the planetary carrier.
Remove bearing cones (10) from each side of gears (9).
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Illustration 10 g01624720
Remove bearing cups (11) from each side of gears (9) with Tooling (C).
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Illustration 11 g02482520
Remove bolts (12). Remove retainer (13). Attach a suitable lifting device to hub assembly (14). The weight of hub assembly (14) is approximately 50 kg (110 lb).
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Illustration 12 g02490097
Attach a suitable lifting device and Tooling (B) to sprocket hub assembly (15). Raise temperature of the bearing cone while using Tooling (D), Tooling (E), and Tooling (F) to remove sprocket hub assembly (15). The weight of sprocket hub assembly (15) is approximately 295 kg (650 lb).
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Illustration 13 g01625280
Remove bearing cone (17).
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Illustration 14 g01625306
Remove bearing cup (18).
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Illustration 15 g01626453
Remove bearing cup (19).
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Illustration 16 g01626455
Remove Duo-Cone seal (20). Remove bearing cone (21).
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Illustration 17 g01647033
Attach Tooling (K) and a suitable lifting device to housing (23). Remove bolts (22). Remove housing (23). The weight of housing (23) is approximately 104 kg (230 lb).
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Illustration 18 g01626487
Remove O-ring seal (24).
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Illustration 19 g01626488
Remove bolts (25) and cover (26).
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Illustration 20 g01626491
Remove bearing (27). Remove O-ring seal (28).
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Illustration 21 g01626497
Remove pinion gear (29).
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Illustration 22 g01626504
Remove bearing (30).
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Illustration 23 g01626505
Reposition the housing. Remove bolts (31).
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Illustration 24 g01626512
Use Tooling (H) in order to remove cover (32).
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Illustration 25 g01626522
Attach a suitable lifting device in order to remove gear (33). The weight of gear (33) is approximately 68 kg (150 lb).
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Illustration 26 g01626528
Use Tooling (J) in order to remove bearing (34). Repeat for the other side.
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Illustration 27 g01626550
Remove race (35).
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Illustration 28 g01626552
Remove O-ring seal (36).
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Illustration 29 g01626554
Remove race (37).