PUMP GP-GEAR 3855566 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-9096 Ratchet Puller 2
B 1U-8228 Lifting Sling 2
C 140-7742 Protective Sleeve 2
D 8S-7640 Stand 2
8S-7621 Tube 2 Start By:
Remove the center drive shaft. Refer to Disassembly and Assembly, "Center Drive Shaft - Romove and Install".
Remove the rear axle housing. Refer to Disassembly and Assembly, "Rear Axle Housing - Remove".
Remove the stabilizer rod for the center axle. Refer to Disassembly and Assembly, RENR3447, "Center Axle Stabilizer Rod - Remove and Install".
Drain the oil from the center axle housing. Refer to Operation and Maintenance Manual, "Differential and Final Drive Oil - Change".
Personal injury or death can result from improper lifting or blocking.When a hoist or jack is used to lift any part or component, stand clear of the area. Be sure the hoist or jack has the correct capacity to lift a component. Install blocks or stands before performance of any work under a heavy component.Approximate weights of the components are shown. Clean all surfaces where parts are to be installed.
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.
Illustration 1 g00525057
Disconnect hydraulic brake hose (1) from the brake line that is on center axle housing (2).
Illustration 2 g00525058
Disconnect breather hose (3) from center axle housing (2). Disconnect hydraulic hose (6) from the differential. Remove bolt (5), the washer and hose clamp (4) that secures hydraulic hose (6) to the differential.
Position an appropriate floor jack under the shaft yoke that is on axle housing (2).
Illustration 3 g00525059
Remove four bolts (9) and the washers that secure bracket (10) and axle housing (2) to the center suspension frame. Remove bracket (10) from the axle housing.
Remove four bolts (7) and the washers that secure bracket (8) to axle housing (2).
Illustration 4 g00525060
Remove four bolts (11) and the washers that secure bracket (12) to axle housing (2). Remove four bolts (13) and the washers that secure axle housing (2) to the center suspension frame.
Illustration 5 g00525081
Attach Tooling (A) to each side of center suspension frame (14).
Illustration 6 g00525083
Use Tooling (B) and (C) in order to raise dump body (15) off the center axle housing.
Use the floor jack in order to lower the shaft yoke that is on axle housing (2).
Illustration 7 g00525082
Rotate the wheels in order to remove axle housing (2) from the machine. Place Tooling (D) under dump body (15). Lower the dump body to Tooling (D). The hoist and Tooling (B) and (C) can be removed now.