STRAP 2T1483 - Caterpillar

start by:a) separation of tractor and scraper1. Drain the oil from the hydraulic tank.
TYPICAL EXAMPLE2. Disconnect hose assemblies (1) and (2) at the hitch.3. Remove two clamps (3) and (4).4. Remove all clamps (5) that hold the hydraulic hoses to the hitch. Move all the hoses away from the hitch.
TYPICAL EXAMPLE5. Remove bolt (7) from the rod end of the steering cylinder (servo-sender). Remove four bolts (6). Move the cylinder, bracket, hoses and cables to the side of the hitch.
TYPICAL EXAMPLE6. Put identification on hoses (8) and (9) that are connected to the steering control valve for correct installation. Disconnect the two hoses from the valve.7. Disconnect tube assembly (10) from the scraper hydraulic control valve.8. Put identification on the hose assemblies that are connected to the scraper hydraulic control valve for correct installation. Disconnect all hoses (11) from the valve.
TYPICAL EXAMPLE9. Put identification on all hose assemblies (13) and tube assemblies (14) that are connected on each side of the hitch for correct installation.10. Remove all clips, clamps and brackets that hold the hoses and tube assemblies to the hitch. Remove tube assemblies (17), hose assemblies (14) with brackets as a unit.11. Remove the clamp that holds the tube assemblies under the hitch.
TYPICAL EXAMPLE12. Remove the lockwire, bolts (15), washers and retainer (16) from the hitch forward pin.
TYPICAL EXAMPLE13. Disconnect tube assembly (17) from the implement hydraulic pump.
TYPICAL EXAMPLE14. Remove retainer (18) from the front of the hitch rear pin.15. Remove the large nut from the front of the rear hitch pin with tool (A). If the hitch rear pin is free to turn, either nut on each side of the pin can come off. If the pin is free to turn it can be removed from either direction.
TYPICAL EXAMPLE16. Fasten a hoist to hitch (19).17. Lift the weight of the hitch off the pins that hold it to the tractor.
TYPICAL EXAMPLE18. Remove hitch front pin (20) with a pry bar.
TYPICAL EXAMPLE19. Remove hitch rear pin (21) with tooling (B). Install a wood block and tooling (B) as shown and push the pin out the rear of the hitch.20. Remove the hitch from the machine. The weight of the hitch is 1500 lb. (675 kg).Install Hitch
TYPICAL EXAMPLE1. Fasten a hoist to hitch (1) and put it in position on the tractor.
TYPICAL EXAMPLE2. Install one large nut on the rear pin that holds the hitch in position. Install the pin from the rear of the hitch. Install the front rear pin nut, retainer and the bolts that hold the retainer. Tighten the rear pin nut with tooling (A) to a torque of 550 lb.ft. (750 N m). Install the retainer over the rear nut and the bolts that hold it.3. Install the front pin in the hitch.
TYPICAL EXAMPLE4. Install retainer (2) and the bolts that hold it. Install the lockwire in the bolts.5. Install tooling (B) under the stops on the hitch. Tooling (B) will prevent side to side movement of the hitch.
Do not remove the hoist from