VALVE GP-MAIN CONTROL 1412216 - Caterpillar

Start By:a. remove rear axle assembly Drain the oil from the axle housings. 1. Install Tool (A), chains and a suitable lifting device to the rear axle as shown. The weight of the rear axle is 374 kg (820 lb).2. Secure the rear axle assembly to Tool (B). Mark all components as to their original location.3. Remove eleven bolts (1) and two nuts (2).4. Lift axle housing (3) straight up. The weight of the axle housing is 117 kg (260 lb). 5. Shaft lock (4) and gear (5) may stay with the differential housing when axle housing (3) is removed. If so, remove shaft lock (4) and gear (5) at this time. Note the relieved area (X) on the shaft lock, do not install incorrectly. 6. Secure axle housing (3) to Tool (C). If gear (5) did not remain with the differential housing, remove at this time.7. Remove O-ring (6). Check for wear or damage. Replace if necessary. 8. If shaft lock (4) did not remain with the differential housing, remove at this time. 9. Remove bolt (7) and shaft washer (8). 10. Remove shim (9) and gear carrier assembly (10). The following steps are for the disassembly of the gear carrier assembly. 11. If bearing (23) is to be removed, use Tool (E). 12. Straighten one end of retaining ring (11). Rotate the ring until a gear shaft can be removed. 13. Remove gear shaft (12). 14. Remove planet gear kit (13) as a unit. Slide the planet gear kit out of the carrier slowly and hold the components together with the washers on the top and the bottom of the planet gear or the thirty two needle bearings will fall out of the planet gear kit.
Carrier (10). Shaft (12). Planet Gear (13). Needle Bearings (14). Washers (15). Spacer (16). Spacer (16) is installed between the two sets of needle bearings. There are two sets of needle bearings.15. Repeat Steps 12 through 14 for the two remaining planet gear kits. 16. Use Tool (A), reposition axle housing (small end up) and secure to Tool (C) as shown.17. Use a punch or a small pry bar to unstake seal retainer (17).18. Lift shaft and bolt assembly (18) straight up and out of the axle housing. The weight of the shaft and bolt assembly is approximately 36 kg (80 lb). 19. If seal retainer (24) and bearing (25) have to be removed, use Tool (F). 20. Remove bearing race (19) from the axle housing. 21. Remove bearing race (20) from the opposite side of the axle housing. 22. Install Tool (D) as shown. Remove eight bolts (21). Remove the axle housing from Tool (C) and install the axle housing in a press with the small end up. Use an appropriate size solid rod to press on Tool (D) and remove ring gear (22).Assemble Axle Housing (Left Side)
1. If ring gear (1) was removed, put Tool (A) in position on the ring gear as shown. Use a press and an