_1= WARNING: Always wear safety gogglesor safety glasses with side shields when operatingtool, Failure to do so could result in objectsbeing thrown into your eyes, resultingin possibleserious injury,

DRILLING

See Figure 11.

When drillinghard, smooth surfaces, usa a canter punch to mark the desired hole Iocallon.This wff!prevent the ddl[

bit from slippingoff canter as the hole is started. How- ever, the lower speed feature allowsstarting holes without canter punchingif desired. To accomplishthis, simply operate your drillat lower speed untilthe hole Is started. The matedsi to be ddlied shouldbe secured in a vise or with clamp_ to keep It from turning as the drill bIt rotates.

Hold tool firmly and place the bit at the point to be drilled.

Depress the switch triggerto start tool.

Move the drillbit into the workpieca,applyingonly enough pressureto keep the bit cutting. Do not force or apply side pressure to elongate a hole.

_= WARNING: Be prapaTedfor bindingor bit breakthrough,When these situationsoccur, the drill has a tendency to grab and kick oppositeto the direction of rotationand couldcause toss of control when breaking throughmaterial, if you are not

prepared, this loss of controlcan result in possible sedous injury.

When drillingmetals, use a light oil on the drillbit to keep

Fig. 11

it from overheating.The oil will prolongthe life of the bit

 

and increasethe ddltingaction.

 

it the bit jams in workplace or if the drillstalls, release

 

switch triggerimmediately,Remove the bit from the

 

workplace and determine the reasonfor jamming.

 

13

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Image 13
Sears 315.10186 manual Drilling