PUMP GP-MAIN HYDRAULIC 1539185 - Caterpillar

start by:a) remove tilt levers and link assemblies 1. Remove bolts (1) and nuts that hold pins (2) in the lift arms.2. Remove pins (2) from the lift arms and lift cylinders. If necessary, use tooling (A) to remove pins (2). 3. Remove lift kickout bracket (3) and cam from the lift arms as a unit.4. Remove bolts (4) and nuts that hold pins (5) in the front frame.5. Fasten a hoist to the lift arms. Remove pins (5) from the lift arms and front frame. If necessary, use tooling (B) to remove pins (5). 6. Remove lift arms (6) from the front frame. The weight of the lift arms is 2300 lb. (1035 kg). 7. Remove four lip seals (7) (one from each side of the lift arm pin bores). 8. Use tooling (C) to remove bearing (8) from the lift arm pin bores. See SPECIAL INSTRUCTION Form No. GMG00806 for the correct use of the pulling adapter in tooling (C). 9. Remove eight lip seals (9) (one from each side of the bucket and front tilt lever pin bores). 10. Use tooling (D) to remove four bearings (10) from the bucket and front tilt lever pin bores. See SPECIAL INSTRUCTION Form No. GMG00806 for the correct use of the pulling adapter.Install Lift Arms
1. Use tooling (A) to install the bearings in the bucket and front tilt lever pin bores. Install the bearings to a depth of .311 .059 in. (7.9 1.5 mm) below the surface of the lift arms. See SPECIAL INSTRUCTION Form No. GMG00806 for the correct use of the pulling adapter in tooling (A). 2. Use tooling (B) to install eight lip seals (one on each side of the bearing for the bucket and front tilt lever pin bores). Install the seals with the lip away from the bearing. 3. Use tooling (C) to install the bearings in the lift arm pin bores. Install the bearings to a depth of .374 .059 in. (9.5 1.5 mm) below the surface of the lift arms. See SPECIAL INSTRUCTION Form No. GMG00806 for the correct use of the pulling adapter in tooling (C). 4. Use tooling (D) to install the lip seal on each side of the lift arm pin bores. Install the seals with the lip away from the bearing.5. Put 5P960 Multipurpose Type Grease in all the pin bores and on the lip of all the seals. 6. Fasten a hoist to the lift arms. Put lift arms (1) in position on the front frame. 7. Install pins (2) in the front frame and lift arms. Install the bolts and nuts that