SEAL GP-DUO-CONE 5N7639 - Caterpillar

2. Fasten a hoist to elevator hydraulic motor (3) and remove two bolts (1). Remove bolts (2) from the bracket. Slide the motor out of the speed reducer and lower the motor and guard over the side of the bowl.3. Remove the guard and make a separation of the elevator chain. See Remove Elevator Chain Assembly. 4. Fasten a hoist to the shaft and the speed reducer. Remove bolts (4) and washer (6). Remove pin (5) from the bottom of the speed reducer with a punch and hammer. 5. Remove the speed reducer, drive shaft and drive sprockets as a unit. The weight of the unit is 570 lb. (257 kg). 6. Fasten a hoist to the shaft. Remove eight nuts and bolts (9) that hold speed reducer (7) and drive sprockets (8) to drive shaft (10). Remove the drive shaft. The weight of the drive shaft is 176 lb. (79 kg). The weight of the speed reducer is 365 lb. (164 kg).Install Elevator Drive Sprockets And Speed Reducer
Make sure the manufacturing numbers on the sprockets are toward the speed reducer and are in alignment with each other. 1. Fasten a hoist to drive shaft (1). Put the speed reducer (3) and sprockets (2) in position on the drive shaft (1) and install eight bolts and nuts. Tighten the nuts to a torque of 90 to 110 lb.ft. (120 to 149 N m). Use 5P960 Multipurpose Type Grease on bolts and nuts. 2. Fasten a hoist to the speed reducer and the drive shaft and install on the elevator. 3. With the groove up, install pin (4) that holds the speed reducer to the elevator. Install the washer in the groove of the pin. Install the bolt.4. Connect the chain and install the guard. See Install Elevator Chain Assembly. 5. Fasten a hoist to elevator hydraulic motor (5) and install the motor in the speed reducer. Install bolts (6) and the bolts that hold the motor in position.6. With the housing level, fill housing with SAE 80 oil to the "FILL LEVEL" plug opening (on side of the housing). DO NOT OVERFILL. Install plug and give oil time to drain down into housing. Remove "FILL LEVEL" plug and let all extra oil drain out. Install plug.