FLANGE 7C9598 - Caterpillar

3. Remove hose (1).4. Disconnect hose (2) from steering pump (4).5. Remove tube assemblies (3) and (5) from steering pump (4). Check the condition of the O-ring seals beneath tube assemblies (3) and (5). If the O-ring seals appear worn or damaged, use new parts for replacement.6. Attach a hoist to steering pump (4). Remove the four mounting bolts that hold the pump to the auxiliary drive. Remove the steering pump. The weight of the steering pump is 75 kg (165 lb).7. Check the condition of the O-ring seal located between steering pump (4) and the auxiliary drive. If the O-ring seal appears worn or damaged, use a new part for replacement. The following steps are for installation of the steering pump.8. Put the O-ring seal in position on steering pump (4). Install the four mounting bolts.9. Make sure the O-ring seals are in position in tube assemblies (3) and (5). Connect the tube assemblies to the steering pump.10. Connect hoses (1) and (2).11. Fill the steering hydraulic tank with oil to the correct level. See the Operation & Maintenance Manual.12. Remove the body retaining cable, and lower the truck body.Disassemble Steering Pump
Start By:a. remove steering pump 1. Fasten the steering pump to a holding fixture.2. Remove six screws (4) and valve block (3) from the pump.3. Remove seat (5), spring (6) and poppet (7) from the valve block.4. Remove four screws (1) and compensator (2) from valve block (3). Remove the plug and the O-ring seal from the valve block. Remove three O-ring seals between the compensator and the pump. 5. Disassemble compensator (2) as follows:a. Remove plug (16) and spool (15) from body (14). Remove the O-ring seal from plug (16).b. Mark the settings of the screw, locknut (8) and plug (9). Remove plug (9). Remove O-ring seal (10) from plug (9).c. Remove locknut (8) and the screw from plug (9).d. Remove retainer (11), spring (12) and retainer (13) from body (14).e. Remove plug (16a) and spool (15a) from body (14). Remove the O-ring seal from plug (16a).f. Mark the settings of the screw, locknut (8a) and plug (9a). Remove plug (9a). Remove O-ring seal (10a) from plug (9a).g. Remove locknut (8a) and the screw from plug (9a).h. Remove retainer (11a), spring (12a) and retainer (13a) from body (14). 6. Remove valve plate (26).7. Remove O-ring seals (18) and (28) from the rods.8. Remove gasket (29).9. Remove control rod (19) and control piston (17). If necessary, remove piston (17) from control rod (19).10. Remove bias rod (27). If necessary, remove bias piston (31) and spring (30).11. Remove bearing (23).12. Remove spacer (24).13. If necessary, remove pin (20) and the cup from the valve block.14. Remove rotator assembly (32) from the pump. See Step 19 for the disassembly of the rotator assembly.15. Remove swashplate (41) from housing (40).16. Remove snap ring (35) from the front of the pump.17. Use a soft hammer to remove shaft (34) from the housing. Remove seal (36).18. Remove the bearing from the