OPTION AR-HYDRAULIC 3797207 - Caterpillar

Start By:a. remove front tire and rim assemblies 1. Start the machine. Lift the bucket and lift arms, and put Tooling (A) in position under the lift arms for support. Lower the weight of the bucket and lift arms onto Tooling (A), as shown. Shut the machine off. 2. Disconnect hose and tube assembly (1) from the front axle housing group.3. Remove four bolts (2) and the two straps, and disconnect front drive shaft (3) from differential pinion yoke (4). 4. Fasten a lifting sling to each side of the front axle housing group as shown. Fasten a hoist to both lifting slings.5. Remove two bolts (5), the washers and plate (6) from each side of the front axle housing group.6. Remove eight bolts (7) and the washers that hold the front axle housing group to the front loader frame. Lower the front axle housing group from the machine. The weight of the front axle housing group is approximately 1134 kg (2500 lb). The following steps are for the installation of the front axle housing group.7. Be sure the mounting surfaces on the front axle housing group and the front loader frame are clean and free of dirt and debris prior to installation of the front axle housing group. 8. Fasten lifting slings and a hoist to both ends of the front axle housing group. Raise the front axle housing group into position against the front loader frame. Install eight bolts (7) and the washers that hold it. Tighten the bolts to a torque of 900 90 N m (660 65 lb ft).9. Install plate (6), the two washers and bolts (5) which hold it. 10. Put front drive shaft (3) in position in differential pinion yoke (4). Install the two straps and four bolts (2). Tighten four bolts (2) to a torque of 60 7 N m (44 5 lb ft).11. Connect the hose and tube assembly (1) to the front axle housing group.12. Start the machine, and raise the lift arms and bucket. Remove Tooling (A), and lower the bucket to the ground.13. After installing the front tires and rim assemblies, remove (bleed) the air from the brake system. See the topic, "Remove Air From (Bleed) The Brake System" in Systems Operation Testing & Adjusting, 950F Wheel Loader Air System And Brake System, Form No. SENR4930.End By:a. install front tire and rim assemblies