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16606105 Edition 1 August 2010 Air Drill 551 Series 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).
Assembly General Instructions 6. Draw the Backhead (19) evenly against the Backhead Gasket (18) on the face of the Motor Housing (1 or 254) by turning each 1. Always press on the inner ring of a ball–type bearing when Backhead Cap Screw (84) a little at a time until all are tight. installing the bearing on a shaft.
Maintenance Tools Tool Name Operation Tool Number for Ordering Spindle Packing Nut Spanner Wrench Removing or installing the Spindle PackingNut (60) on the Gear Case R4–122 Cover (59) of Models 551SM, 551SM51, 551S0 and 551S051. Grease Gun Lubrication P25–228 Troubleshooting Guide Trouble Probable Cause Solution...
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