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04584363 Edition 2 April 2006 Air Impact Wrench 2161 and 2171 Maintenance Information Save These Instructions...
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WARNING Always wear eye protection when operating or performing maintenance on this tool. Always turn off the air supply and disconnect the air supply hose before installing, removing or adjusting any accessory on this tool, or before performing any maintenance on this tool. Note: When reading the instructions, refer to exploded diagrams in Parts Information Manuals when applicable (see under Related Documentation for form numbers).
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Disassembly of the Motor 8. Inspect all motor parts including the Front Rotor Bearing (27) and Rear Rotor Bearing (20) and replace all 1. Remove the four Backcap Bolts. worn or damaged parts. 2. Remove the Backcap, Motor Clamp Washer (19) and Backcap Gasket from the Housing and set them aside on Disassembly of the Throttle Mechanism a clean bench.
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Assembly of the Reverse Valve 5. Smear a thin film of Ingersoll Rand No. 170 Grease on the inside surface of the Hammer Case Bushing (36) and 1. Coat a new Reverse Valve O-Ring (28) with O-Ring place the Hammer Case (35) down over the Anvil and lubricant and install it in the groove on the Reverse against the Motor Retainer.
7. Place a Motor Clamp Washer (19) over the rear of the engaging the slots in the Reverse Valve. Make sure that motor with the convex side up and matching the large the index mark on the Reverse Valve lines up with the outside diameter of the Rear End Plate.