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bit. Too little pressure keeps the bit from cutting, dulling the bit edges due to excessive
friction.
• If drilling large holes, first drill a smaller hole, and then enlarge it to the desired size.
• Using lubricants such as oil on the point will help cool the bit, increase drilling action and extend
drill bit life.
• Clamp a backing block to the work piece to prevent binding and distortion when the bit breaks
through the metal.
MAINTENANCE
CLEANING
Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various
types of commercial solvents and may be damaged by their use. Use clean clothes to remove dirt, dust,
oil, grease, etc.
WARNING
:
Do not at any time let brake fluids, gasoline, petroleum-based
products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage,
weaken or destroy plastic, which may result in serious personal injury.
Electric tools used on fiberglass material, wallboard, spackling compounds, or plaster are subject to
accelerated wear and possible premature failure because the fiberglass chips and grindings are highly
abrasive to bearings, brushes, commutators, etc. Consequently, we do not recommend using this tool
for extended work on these types of materials. However, if you do work with any of these materials, it is
extremely important to clean the tool using compressed air.
LUBRICATION
This tool is permanently lubricated at the factory and requires no additional lubrication.