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Home›Repair guides›Trigger and Housing.

Ingersoll Rand — Trigger and Housing.

A Ingersoll Rand service procedure — check it applies to your exact model before use.

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Before you start

  • NOTICE

Procedure

  1. 8. Install Pin (40) in Housing, securing Reverse Cam and Trigger.
  2. 9. Install Bushing (48) in Housing, pressing flush with counterbore in bottom of motor cavity.
  3. 10. Install Roll Pin (47) in Housing, pressing flush with bottom of motor cavity.
  4. 11. Coat Reverse Valve (36) with the recommended oil and install in Housing, aligning slot in Reverse Valve with Roll Pin (47).
  5. 12. Install Spring (37) in Housing.
  6. 13. Lubricate and install O-Ring (38) in Top Cap (39) and install Cap in Housing, securing Spring (37) and Reverse Valve (36).
  7. 14. Coat Valve Rod (35) with the recommended oil and install in Housing.
  8. 15. Install Spring (34) in Housing, where applicable.
  9. 16. Lubricate and install O-Ring (33) in End Cap (32) and install Cap in Housing, securing Valve Rod and Spring.
  10. Assembly of the Motor
  11. 1. Lubricate Bearing (51) with the recommended grease and install on End Plate (50) or (57), pressing on outer race of Bearing.
  12. 2. Install End Plate on Rotor, pressing on inner race of Bearing.
  13. 3. Coat Vanes (53) with the recommended oil and install in rotor slots, straight side out. Coat inside of Cylinder (54) with the recommended oil
  14. and install over Rotor, aligning air inlet slots of Cylinder with air inlet slots in End Plate.
  15. 4. Install Bearing (56) on End Plate (55), pressing on outer race of Bearing. Install End Plate on Rotor, pressing on inner race of Bearing. Be sure
  16. Rotor turns without binding.
  17. 5. Insert Locating Pin (58) or (61) into 0.081” diameter blind hole at bottom of motor cavity in Housing.
  18. 6. Align notches of End Plates and Cylinder and install motor into Housing, aligning notches with Pin.
  19. 7. Lubricate and install O-Ring (59) in End Plate.
  20. 8. Install Spacer (60) in motor.
  21. 9. Install Gearing and Clutch in tool.
  22. Assembly of the Gearing
  23. 1. Assemble Spacer (68) into Ring Gear (67) or (81).
  24. Press on outer race of Bearing (69) and press to shoulder or Ring Gear.
  25. 2. Press Bearing into Ring Gear.
  26. 3. Coat shafts of spindle with the recommended grease.
  27. 4. Assemble gears to shafts of mating spindle.
  28. 5. Assemble Carrier Assembly to Spindle Assembly of double reduction gearing. Install Spindle(s) and gearing into Ring Gear. Rotate Spindle
  29. and Gears to align gear teeth with splines of Ring Gear.
  30. 6. Thread Ring Gear to tool and tighten with a wrench of flats.
  31. 7. Install Clutch in tool.

Source: manual:16575284_ed2_b.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.