1 2 ” Z 1 L R B / T S C O R E D R I L L
11
General Maintenance
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Inspect electrical cords and electrical connections.
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Keep machine clean and free of debris.
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Check for misalignment, binding and breakage of all moving parts. If damaged, repair tool before use.
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Keep cutting tools sharp and clean. Sharp bits are less likely to bind and are easier to control.
Occasional Maintenance
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Have the power tool serviced by a qualified service technician using identical replacement parts.
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Change motor brushes:
1) Disconnect drill from power.
2) Unscrew left and right side brush holder caps using a flathead screw driver.
3) Take out old brushes.
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If you need to, use the screw driver to nudge them out.
4) Replace with exact same size new brushes.
5) Screw in brush holder caps tightly.
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Adjusting Carriage:
1) Periodically check and adjust slides as necessary.
2) Use hex wrench to loosen the hex bolts on the carriage. There are four hex bolts on
each adjusting slide. Backing out the bolts will loosen feed tension, while tightening
the bolts will increase feed tension.
3) Adjust the bolts evenly while moving the handle up and down so that there’s no free
play yet not binding anywhere through its range of travel.
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Change Gear Oil:
1) Change if necessary using NLGL-2 grade grease. This service is generally done around
the 50 hour service mark.
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Adjust Safety Clutch:
1) Adjust clutch as necessary.
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NOTE: A torque wrench is necessary for this service.
Chapter
5
