994H Wheel Loader Power Train Caterpillar

Transmission - Remove

Usage:

994H DWC

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	176-5528	Bracket As	1
B	172-3928	Transmission Support	1
C	1U-9200	Lever Puller Hoist	1
D	138-7575	Link Brackets	2
E	154-6184	Forcing Bolt	4

Start By:

Fully articulate the machine to the right and chock all of the wheels. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".
Disconnect the rod end of the steering cylinder. Refer to Disassembly and Assembly, "Steering Cylinder - Remove".
Remove the front section of the auxiliary drive shaft. Refer to Disassembly and Assembly, "Drive Shaft (Auxiliary) - Remove".
Release the hydraulic system pressure. Refer to Disassembly and Assembly, " Hydraulic System Pressure - Release".

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

Drain the hydraulic oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic Oil (Implement)- Change".

Drain the transmission oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Transmission Oil - Change".

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Illustration 1	g02415138

Disconnect hose assemblies (1), tube assembly (2), and hose assembly (3) .

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Illustration 2	g02415139

Disconnect hose assembly (4) .

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Illustration 3	g02415178

Attach a suitable lifting device to screen assembly (5). The weight of screen assembly (5) is approximately 50 kg (110 lb). Remove bolts (6). Remove screen assembly (5) .

Repeat Step 3 through Step 5 for the remaining screen assemblies.

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Illustration 4	g02415276

Disconnect hose assemblies (7) .

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Illustration 5	g02415284

Remove bolt (8), disconnect tube assembly (9), disconnect bracket (10). Position hose assembly (11) and harness assembly (12) out of the way.

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Illustration 6	g02415339

Disconnect hose assemblies (13) and remove the connecting hardware.

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Illustration 7	g02415362

Disconnect hose assemblies (14) and hose assemblies (15) .

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Illustration 8	g02416903

Disconnect hose assembly (16). Disconnect harness assembly (17) and remove the connecting hardware.

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Illustration 9	g02416856

Remove bracket assembly (18) .

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Illustration 10	g02416916

Remove covers (19). Remove tube assembly (20) .

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Illustration 11	g02419002

Install Tooling (B) .

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Illustration 12	g02418998

Disconnect bracket (21) and position out of the way.

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Illustration 13	g02419000

Attach Tooling (A) and a suitable lifting device to transmission (22). The weight of transmission (22) is approximately 1315 kg (2900 lb).

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Illustration 14	g02419004

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Illustration 15	g02419005

Remove four of bolts (23). Install Tooling (E) .

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Illustration 16	g02419116

Remove the remaining bolts (23) and nuts (24) .

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Illustration 17	g02419006

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Illustration 18	g02419011

Use Tooling (C) and Tooling (D) in order to pull transmission (22) from the rear chassis. Use a suitable lift truck and Tooling (A) in order to remove transmission (22) .