TUBE AS 4W7715 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-7640 Stand 2
8S-7611 Tube 2
8S-7615 Pin 2
B 6V-6146 Load Leveler 1
1U-8241 Nylon Lifting Strap 2 Start By:
Drain the oil from the rear axle. Refer to Operation and Maintenance Manual, SEBU7371, "Differential Oil - Change".
Disconnect the rear drive shaft from the rear axle. Refer to Disassembly and Assembly, "Drive Shaft - Remove and Install".
Remove both fenders from the rear axle. Refer to Machine Systems, Disassembly and Assembly, RENR3437, "Fender - Remove and Install".
Remove both rear wheels. Refer to Disassembly and Assembly, "Wheel and Tire - Remove and Install".
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all lines, on all hoses and on all tubes for installation purposes. Plug all lines, all hoses and all tubes in order to prevent fluid loss and contamination.
Illustration 1 g00726830
The above photograph shows a typical example of the installation of tooling (A).
Install tooling (A) in order to support the machine.
Illustration 2 g00731448
The above photograph shows a typical example of the installation of tooling (B).
Install tooling (B) and a suitable hoist in order to support rear axle (1). The weight of the rear axle is 570 kg (1257 lb).
Illustration 3 g00798999
Loosen nut (2) and remove the O-ring in order to disconnect hose (3) for the left side of the steering cylinder. Loosen nut (4) and remove the O-ring in order to disconnect hose (5) for the right side of the steering cylinder.
Illustration 4 g00799010
Disconnect electrical connector (6) for steering sensor (7). Note: The sensor for the steering is only installed on machines that have a self-alighning steering system.
Illustration 5 g00802999
Remove four bolts (8), the washers and the nuts.
Carefully lower the rear axle onto a suitable low level pallet jack. Remove tooling (B) and remove the rear axle from the machine.