HOUSING 8S9523 - Caterpillar

START BY:a. remove bucketb. remove tilt leverc. remove tilt cylinder1. Put caps on the tilt cylinder oil lines.2. Use the machine hydraulics, and lift the lift arms until the front and rear pin bores are level. 3. Put tooling (A) in position under the lift arms as shown. 4. Remove grease fitting (1) from the pin.5. Remove bolt (2), the washer and spacer from pin (3). 6. Fasten a nylon strap and a hoist to the lift cylinder.7. Install tooling (B) on the pin. Fasten a nylon strap and a hoist to tooling (B) so it can not fall when the pin is removed.8. Use tooling (B), and remove the pin from the lift arms.9. Lower the lift cylinder down on to the front frame.10. Repeat Steps 3 through 9 for the cylinder on the other side of the machine. 11. Fasten nylon straps and a hoist to lift arms (4) as shown. 12. Remove grease fitting (6) from pin (5).13. Remove bolt (7), the washer and spacer from pin (5). 14. Install tooling (C) on the pin. Fasten a nylon strap and a hoist to tooling (C) so it does not fall when the pin is removed.15. Use tooling (C), and remove the pin from the front frame.16. Repeat Steps 12 through 15 to remove the pin from the other side of the machine.17. Remove the lift arms. The weight of the lift arms is 782 kg (1725 lb.). 18. Remove lip-type seals (8) from the bores in the lift arms. 19. Use tooling (D), and remove the bearings from the frame end pin bores of the lift arms.20. Remove bearings from the lift cylinder pin bores of the lift arms. See Remove Lift Cylinders.21. Remove bearings from the bucket end pin bores of the lift arms. See Remove Bucket.Install Lift Arms
1. Lower the temperature of all the bearings before they are installed in the lift arms. 2. Use tooling (A) to install the bearings in the frame end pin bores. The bearings must be installed in the center of the bores.3. Install the bearings in the lift cylinder pin bores. See Install Lift Cylinders.4. Install the bearings in the bucket end pin bores. See Install Bucket. 5. Use tool (B) to install lip-type seals (1) in the bores. The seals must be installed with the lip of the seals toward the outside of the bores.6. Put 5P960 Multipurpose Type Grease in all of the pin bores of the lift arms. 7. Fasten nylon straps and a hoist to lift arms (2) as shown.8. Put lift arms (2) and tooling (C) in position as shown.9. Install rear pins (3) in the lift arms and the front frame. 10. Install grease fittings (5) in pins (4).11. Install spacers, washers and bolts (6) that hold the pins in place. 12. Fasten a nylon strap and a hoist to the lift cylinders as shown. Lift the cylinders into position, and install pins (7). 13. Install grease fittings (8) in pins