993K Wheel Loader Power Train Caterpillar

Transmission Oil Pump - Remove

Usage:

993K Z9K

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	138-7575	Link Bracket	1

Start By:

Lower the guard for the transmission. Refer to Disassembly and Assembly , "Power Train Guard (Transmission) - Remove".
Remove the rear drive shaft if additional clearance is necessary. Refer to Disassembly and Assembly , "Drive Shaft (Rear) - Remove and Install".

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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.

Note: Cap all hydraulic lines and fittings that are disconnected in order to prevent oil loss. This will also keep contaminants out of the hydraulic system.

Drain the oil in the pump drive into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Transmission Oil - (Change)".
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Illustration 1 g01481294
The transmission oil pump is located on the front left side of the pump drive. Loosen clamps (1) and slide hose (2) onto tube assembly (3).
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Illustration 2 g01481330
Remove clamp (6). Remove bolts (7) and elbow (8). Disconnect hose assemblies (4) and (5).
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Illustration 3 g01481354
Attach Tooling (A) and a suitable lifting device to transmission oil pump (9). The weight of transmission oil pump (9) is approximately 33 kg (72 lb). Remove bolts (10) and transmission oil pump (9) through the bottom of the machine.
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Illustration 4 g01483117
Remove nut (11), gear (12), and gasket (13).