DeWalt DWMT70786L Drill User Manual


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Installing/Removing Drill Bits Continued
•Tightenthechuckjawsbyturningthefrontofthechuckclockwise,
while holding the rear in place.
NOTE: Whenever possible, secure the working piece in a vise
or clamp prior to starting drilling.
•Toremovethedrillbit,loosenchuckjawsbyturningthefrontofthe
chuck counter-clockwise, while holding the rear in place.
•Carefullyremovedrillbitwhenjawsarelooseenough.
OPERATING PROCEDURES
START-UP (FIG. 1, PG. 2)
•Turnontheaircompressorandallowtheairtanktobefilled.
•Settheaircompressorregulatorto90PSI.Thisair
tool operates at a maximum of 90 PSI air pressure.
•Adjusttooleitherinforwardorreverseposition.
•Depressthetriggertostartoperatingthetool.
SHUT-DOWN (FIG. 1, PG. 2)
•Releasethetriggerinordertostopthetool.
•Whenchangingdrillsoraccessories,alwaysdisconnect
air supply to avoid injury.
•Whenjobiscompleted,turnofftheaircompressorandstore
the air tool after lubrication.
OPERATING INSTRUCTIONS
•Markthedesireddrillinglocationwithanawlorpunchto
provide a seat for the tip of the bit.
•Placedrillbittiponlocationofmarkandapply
pressure to trigger to start drill. If drilling metal, apply
lubricant to reduce friction and glazing.
•Applyconstant,evenpressurewhileguidingthedrill.
•Reducepressurebeforecuttingthroughworkpiece.
Continue depressing trigger until bit is fully removed from
the drilled hole.
WARNING: Use of safety glasses and a breathing mask is
recommended.Drillingcertainmaterialsmaycreatehazardousdust
which may require special breathing equipment. Check before using
thetool.Althoughthetoolhasalownoiselevel,theactualdrilling
process may cause a noise level such that ear protectors will be
required. Safety gloves are recommended.
CAUTION: Drillbitorsurfacemaybecomeextremelyhotduring
drilling.DONOTtouchuntilcooled.
DRILL BIT CHUCK
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