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Form 16575334 Edition 1 April 2005 Electric Screwdrivers EL, EP and ET 34V DC Series Maintenance Information Save These Instructions...
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WARNING • Maintenance procedures have the potential for severe shock hazard and should be performed by qualified personnel. Disassembly Using external snap ring pliers, remove the Bit Retainer Retaining WARNING Ring (10). 10. Using a 29mm wrench on the flats of the Clutch Housing, unscrew and remove the Clutch Housing from the Gear Case.
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Grasp the Microswitch Circuit Board using needle nose pliers and NOTICE squeeze the ends of the two white Switch Base Spacers (65). Lift the Brush Light Circuit Board (67) from the Switch Base Spacers. Using needle nose pliers, squeeze the Switch Base Spacers and Do not damage the copper wires of the Brush Assembly.
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10. Apply grease to the gear end of the Gear Case and install the Gear 29. Apply grease to the holes of the Bit Holder and insert the two bit Case Shield (37). Retaining Balls (17 or 19) into the holes. 11.
Troubleshooting Guide 1. Screwdriver fails to rotate (forward or reverse). Starting microswitch is defective; replace the microswitch. Pilot Rod “H” is binding; clear obstruction or replace Rod. Pilot Rod “G” or Pilot Rod “H” is defective; repair or replace Rod. Bit Holder is binding;...
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Troubleshooting Guide (continued) Bit does not rotate but motor hums. Armature is in contact with the magnets; replace the motor, When the gears are removed, will the motor rotate? Foreign material in the motor; clean motor. Is the planetary gearing smooth when the bit is Gears are worn of damaged;...
Troubleshooting Guide Tool outputs high torque. Is the shutoff functioning properly? Refer to problem No. 5 to check shutoff malfunctions. No lubrication on the Clutch components; lubricate the clutch with Is the Clutch properly lubricated? recommended grease. Is there wear on the face of the spindle washer? Spindle Washer is worn;...
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