VALVE GP-PITCH RELIEF 1U4596 - Caterpillar

Inspect all components and make any replacements if necessary. 1. Put bearing in housing with the number on the end of bearing toward tooling (A). Install bearing to a depth of 1.96 0.38 mm (.077 .015 in.) from the bottom of the seal and bearing bore. 2. Install spring (2) and collar (1) in housing counterbore. 3. With the pin and button in position on the bottom of the swashplate, install swashplate (3) in housing. There is a chamfer on the inside diameter of each of the races (8). The races must be installed with the chamfer against the radius of the swashplate pivot point.4. Install race (8), bearing (6), seal (7) and cover (5) in position on each side of housing. Install retaining ring (4) with tooling (B). 5. Install retaining ring (12) on shaft (13) with tool (B). Install bearing and race assembly (11) and retaining ring (10). 6. Install shaft assembly and washer (9) in housing. 7. Install seal in housing with a piece of pipe (10) with approximately a 41.35 0.10 mm (1.628 .004 in.) outside diameter and an inside diameter of not less than 25.40 mm (1.00 in.). The pipe is approximately 127 mm (5.00 in.) in length. 8. Install retaining ring (11) in housing with tool (B). 9. Put three pins (12) in position and install retaining ring. 10. Install washer (16), spring (15) and washer (14) in piston block. Use a 5/16" bolt 3" long and two flatwashers to push spring together so retainer ring can be installed. Install retaining ring (13) with tooling (B). 11. Install pivot (18) and spider (17) on the piston block. 12. Install nine piston assemblies (19) in the spider and piston block. 13. Install piston block assembly (20) on shaft. 14. Put bearing (21) in plate with the number on the end of the bearing toward tooling (A). Install bearing to a depth of 0.8 0.4 mm (.031 .016 in.). 15. Install gasket (23) and piston (22) on plate assembly. Install plate assembly (24) on housing assembly. Tighten bolts to a torque of 38 4 N m (28 3 lb.ft.). 16. Turn the assembly over and install O-ring seal (25) and adapter (26). The pump shaft and gear are tapered.17. Install gear (28) on shaft. Tighten nut to a torque of 68 7 N m (50 5 lb.ft.). Install O-ring seal (27). 18. Install O-ring seals on caps (32) and (34) and plug (33).19. Install spool (29), cap (34), spring (30), caps (31) and (32) and plug (33) in the valve body. 20. Install setscrew (36) and locknut (35) in cap. Tighten locknut to a torque of 9 1 N m (7 1 lb.ft.). 21. Install gasket (37) and valve body (38) on pump. Tighten bolts to a torque of 23 2 N m (17 1 lb.ft.).22. For SPECIFICATIONS OF AXLE SUSPENSION PUMP see SPECIFICATIONS FOR 615 WHEEL TRACTOR AXLE