VALVE GP-MAIN CONTROL 2597464 - Caterpillar

Disassemble Elevator Speed Reducer
START BY:a) remove elevator drive sprockets and speed reducer 1. Install speed reducer (1) on tool (A). 2. Remove snap ring (2) from flywheel with tool (B). Remove sixteen bolts (3) from cover. 3. Remove cover (4), seal and bearings as a unit with tooling (C). 4. Remove seal (5) from cover with tool (D). 5. Remove bearing from cover with tooling (E). 6. Install two 1/2"-13 NC forged eyebolts and a hoist on container (7). Remove flywheel (6) and container (7) as a unit from the housing. 7. Remove snap ring (8) that holds flywheel shaft to container with tool (B). 8. Remove flywheel (8) from container (7) with tool (F). 9. Remove seal (9) from container with tool (D). 10. Remove snap ring (10) from container with tool (G). 11. Remove bearing from container with tooling (E). 12. Remove gear (11) from housing. 13. Remove carrier (12) from housing. 14. Drive pins into shaft (13) with a hammer and punch. 15. Remove shaft (13), washers (14) and gears (15) from the carrier. Remove pins from the shaft. 16. Remove two bearings (17) and ring (16) from gears. 17. Remove snap ring (18) from housing with tool (B). 18. Remove ring gear (19) from housing. 19. Remove three pins from plate with a hammer and a punch. Remove bolts (20) and plate. Remove pins from output shaft. 20. Fasten a hoist to carrier (21) and remove it from the housing (22). 21. Drive pins into shaft (23) with a hammer and a punch. 22. Remove shaft (23), washers (24) and gears (25) from carrier housing. Remove pins from shaft. 23. Remove bearings (26) from gears (25). 24. Make a separation of the housing from the output shaft with tooling (H). Remove housing (27) from the shaft. Remove bearing cone (27) from housing (22). 25. Remove two Duo-Cone seals (29) and spacer (28) from the output shaft. 26. Remove bearing cone (30) from output shaft with tooling (J).27. Remove two bearing cups from the housing with a hammer and punch.Assemble Elevator Speed Reducer
1. Lower the temperature of the bearing cups and install them in housing (1) with tooling (A). 2. Heat bearing cone to a temperature of 135°C (275°F). Install bearing cone (2) on output shaft.3. Be sure the rubber O-ring seal of the Duo-Cone seal groups and the parts that are in contact with it are clean and dry. Put a thin layer of oil on the contact surfaces of the metal seals before assembly.4. Install Duo-Cone seals in housing with tooling (B). 5. Install housing (1) on output shaft. Heat bearing cone to a temperature of 135°C (275°F). Install bearing spacer and bearing cone (3) on output shaft. 6. Install bearings (5) in gears (4) for the lower carrier. 7. Install gears (4), washers (7) and shafts (6) in the carrier.
Be sure the rubber in the pins that hold the shafts in the carrier are not damaged. If the rubber is damaged a