784C and 785C Off-Highway Trucks Machine Systems Caterpillar

Pump Drive - Remove

Usage:

785C 1HW

Removal Procedure

Show/hide table

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

Start By:

Remove the drive shaft guard. Refer to Disassembly and Assembly, "Drive Shaft Gaurd (Hydraulic) - Remove and Install".
Remove the gear pump (hoist and rear brake cooling). Refer to Disassembly and Assembly, "Gear Pump (Hoist and Rear Brake Cooling) - Remove".
Remove the gear pump (torque converter and parking brake release). Refer to Disassembly and Assembly, "Gear Pump (Torque Converter and Parking Brake Release) - Remove".
Remove the piston pump (steering). Refer to Disassembly and Assembly, "Piston Pump (Steering) - Remove".

Show/hide table

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.

Show/hide table

The space between the body and the frame becomes a zero clearance area when the body is lowered. Failure to install the retaining cable can result in injury or death to personnel working in this area.

Show/hide table




Illustration 1	g00508154
(1) Pump drive.

Show/hide table




Illustration 2	g00508155

Remove four bolts (3) and the washers. Lower drive shaft (2) out of the way.
Show/hide table

Illustration 3 g00508156
Disconnect hose assembly (4).
Show/hide table

Illustration 4 g00508158
Disconnect hose assemblies (5) and (8).
Remove tee (7).
Install Tool (A) (not shown) to pump drive (1) at the location (X). Attach a suitable lifting device and a hoist to Tool (A) in order to support the weight of pump drive (1).
Remove four bolts (6) and the washers.
Remove pump drive (1) from the frame assembly. The weight of pump drive (1) is 72.57 kg (160 lb).