BOOM & BEARING AS 1722976 - Caterpillar

2. Disconnect outlet hose assembly (1) from transmission and torque converter scavenge pump (2).3. Disconnect hose clip (5) from magnetic screen (3).4. Disconnect transmission inlet elbow (4) with the magnetic screen from the scavenge pump. 5. Remove the bolts that hold scavenge pump (2) in position on the torque converter cover. 6. The weight of the scavenge pump is 65 lb. (29.5 kg). Turn the pump 180° as shown and remove it from the torque converter.Install Transmission And Torque Converter Scavenge Pump
1. Clean surface (1) of the torque converter and the surface of the scavenge pump that comes in contact with it.2. Install a new gasket on surface (1). 3. The weight of the scavenge pump is 65 lb. (29.5 kg). Turn transmission and torque converter scavenge pump (2) 180° out of position to install the pump in the torque converter.4. Turn the scavenge pump back to its original position and install the bolts that hold it in place. 5. Connect transmission inlet elbow (5) with the magnetic strainer to the scavenge pump.6. Connect outlet hose assembly (3) to the pump.7. Connect hose clip (4) to the magnetic screen.8. Fill the transmission, brake and hoist hydraulic tank. See LUBRICATION AND MAINTENANCE GUIDE for more information.9. Start the engine of the truck and make a check for oil leakage around the scavenge pump. Disassemble Transmission And Torque Converter Scavenge Pump
start by:a) remove transmission and torque converter scavenge pump 1. Loosen nut (1) about four or five turns. 2. Install tooling (A) on the nut and gear (2). Loosen the gear from the taper with tooling (A).3. Remove tooling (A), the nut, washer (3) and the gear from the drive gear assembly. 4. Remove key (4) from drive gear assembly (5).5. Remove the bolts that hold cover assembly (6) in position.6. Remove the cover assembly from the converter body assembly. 7. Remove O-ring seal (7) from the bottom side of the cover assembly.8. Remove two bearings (8) from the cover. 9. Remove two gears (10) from the drive gear assembly and driven gear assembly (9). 10. Remove key (11) from the drive gear assembly.11. Remove body assembly (12) from the gear assemblies. 12. Remove O-ring seal (13) from the body assembly. 13. Remove drive gear assembly (5) and driven gear assembly (9) from body assembly (14). 14. Remove body assembly (14) from the manifold assembly. 15. Remove O-ring seal (15), two bearings (16) and two plugs (18) from manifold assembly (17).16. Remove the two O-ring seals from the plugs.Assemble Transmission And Torque Converter Scavenge Pump
Clean all parts thoroughly and put a thin layer of transmission oil on all of these parts before assembly. See SPECIFICATIONS for 777 TRUCK POWER TRAIN for more information on the scavenge pump. 1. Install two bearings (2) in manifold (4) with tooling (A). The distance from the top of the bearing to surface (3) after assembly is .062 in. (1.57 mm).
Make sure the joint in both bearings (2) is in the correct location. The location