525B and 535B Wheel Skidders Power Train Caterpillar

Torque Converter - Disassemble

Usage:

525B 3KZ

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	439-3938	Link Bracket	3
B	1P-0074	Slide Hammer Puller	1
C	439-3938	Link Bracket	2
D	6V-7981	Bolt	2

Start By:

Separate the torque converter from the transmission. Refer to Disassembly and Assembly, "Torque Converter from Transmission - Separate".

Place the torque converter and the cover on a clean, level work area.
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Illustration 1 g00590050
Install Tooling (A) and a suitable lifting device to cover (2). The weight of cover (2) is approximately 125 kg (275 lb).
Remove bolts (1) and cover (2).
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Illustration 2 g00590052
Use Tooling (B) to remove bearings (3), (4), and (5) from cover (2).
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Illustration 3 g00590054
Install Tooling (C) and a suitable lifting device to the carrier assembly and impeller (7). The weight of the carrier assembly and impeller (7) is approximately 28 kg (62 lb).
Remove bolts (6), the carrier assembly, and impeller (7).
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Illustration 4 g00590057
Turn impeller (7) to the opposite side.
Remove retaining ring (8) and plate (10) from carrier assembly (9).
Remove stator (11).
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Illustration 5 g00590058

Remove retaining ring (12) and washer (13) from stator (11). Repeat the procedure for the opposite side of stator (11).

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Illustration 6	g00590059

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Personal injury can result from being struck by parts propelled by a released spring force.
Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

Remove race (14), rollers (15), springs (16), and cam (17) from stator (11).
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Illustration 7 g00590062
Remove plate (18) from impeller (7).
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Illustration 8 g00590063
Use a suitable press to remove carrier assembly (9) from impeller (7).
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Illustration 9 g00590066
Turn impeller (7) to the opposite side.
Remove bolts (19) from gear (20).
Remove gear (20) from impeller (7).
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Illustration 10 g00590068
Use a soft faced hammer to remove bearing (21) from impeller (7).
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Illustration 11 g00590070
Remove bolts (22).
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Illustration 12 g00590071
Use two bolts (22) as forcing screws to remove cover (23) from housing (24).
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Illustration 13 g00590073
Remove O-ring seal (25) from cover (23).
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Illustration 14 g00590074
Remove retaining ring (26) and spacer (27) from turbine hub (28).
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Illustration 15 g00590077
Install Tooling (C) to housing (24). Attach a hoist and suitable lifting slings to Tooling (C).
Use Tooling (C) to carefully remove housing (24) from turbine hub (28). The weight of housing (24) is approximately 45 kg (100 lb).
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Illustration 16 g00590079
Remove bolts (29).
Remove turbine (30) from turbine hub (28).
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Illustration 17 g00590083
Turn housing (24) to the opposite side.
Remove bolts (31).
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Illustration 18 g00590084
Use two bolts (31) as forcing screws to remove plate (32) from housing (24).
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Illustration 19 g00590085
Remove friction disc (33) from housing (24).
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Illustration 20 g06004154
Use Tooling (D) to remove piston (34) from housing (24).
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Illustration 21 g00590088
Remove seal ring (35) from piston (34).
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Illustration 22 g00590089
Remove seal ring (36) from housing (24).
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Illustration 23 g00590091
Use a suitable press to remove bearing (37) from housing (24).