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4

Chuck Removal

1. TURN OFF TOOL AND DISCONNECT FROM POWER SUPPLY. 

2. Place chuck key in chuck as shown in Figure 5. 

3. Using a wooden mallet or similar object, strike key sharply in a clockwise

direction. This will loosen screw inside chuck (Figure 5).

4. Open chuck jaws fully. Insert screwdriver (or 3/16" hex wrench if

required) into front of chuck between jaws to engage screw head.

5. Remove screw by turning clockwise (left-hand thread).

6. Place key in chuck as shown in Figure 6 

7. Using a wooden mallet or similar object, strike key sharply in a counter-

clockwise direction. This will loosen chuck so that it can be unscrewed by
hand (Figure 6).

Drilling

1. Always turn off tool and disconnect from power supply when attaching or

changing bits or accessories.

2. Use sharp drill bits only. For WOOD, use twist drill bits, spade bits, power

auger bits, or hole saws. For METAL, use high speed steel twist drill bits
or hole saws. For MASONRY, such as brick, cement, cinder block, etc.,
use carbide-tipped bits

3. Be sure the material to be drilled is anchored or clamped firmly. If drilling

thin material, use a “back-up” block to prevent damage to the material. 

4. Always apply pressure in a straight line with the bit. Use enough pressure

to keep the drill bit biting, but do not push hard enough to stall the motor
or deflect the bit.

5. Hold tool firmly to control the twisting action of the drill. 

6. IF DRILL STALLS, it is usually because it is being overloaded. RELEASE

TRIGGER IMMEDIATELY, remove drill bit from work, and determine
cause of stalling. DO NOT CLICK TRIGGER OFF AND ON IN AN ATTEMPT
TO START A STALLED DRILL – THIS CAN DAMAGE THE DRILL.

7. To minimize stalling on breaking through the material, reduce pressure

on drill and ease the bit through the last fractional part of the hole. 

8. Keep the motor running when pulling the bit back out of a drilled hole.

This will help prevent jamming. 

9. With variable speed drills there is no need to center punch the point to be

drilled. Use a slow speed to start the hole and accelerate by squeezing the
trigger harder when the hole is deep enough to drill without the bit skip-
ping out. Operate at full speed after starting the bit.

Drilling in Wood

Holes in wood can be made with the same twist drills used for metal. These
bits may overheat unless pulled out frequently to clear chips from the flutes.
For larger holes, use spade bits, power auger bits, or hole saws. Work that is
likely to splinter should be backed up with a block of wood.

Figure 5

Figure 6

154569/1166-220  5/17/02  1:39 PM  Page 4

Summary of Contents for 1166-220

Page 1: ...Black Decker U S Inc 701 East Joppa Road Towson Maryland 21286 Printed in U S A FEB96 CD 1 Form No 154569 Copyright 1996 154569 1166 220 5 17 02 1 39 PM Page 2 ...

Page 2: ...TM Instruction Manual 1166 220 3 8 VSR Drill 154569 1166 220 5 17 02 1 39 PM Page 3 ...

Page 3: ...rounded As a result your tool is equipped with a two prong plug which permits you to use extension cords without concern for main taining a ground connection NOTE Double insulation does not take the place of normal safety precautions when operating this tool The insulation system is for added protection against injury resulting from a possible electrical insulation failure within the tool CAUTION ...

Page 4: ...ildren DON T FORCE TOOL It will do the job better and safer at the rate for which it was intended USE RIGHT TOOL Don t force small tool or attachment to do the job of a heavy duty tool Don t use tool for purpose not intended DRESS PROPERLY Do not wear loose clothing or jewelry They can be caught in moving parts Rubber gloves and non skid footwear are recom mended when working outdoors Wear protect...

Page 5: ...enterpunch drilling in metal plastics or ceramics or driving screws Higher speeds are better for drilling in wood and composition board and for using abrasive and polishing accessories The reversing lever is used to reverse the drill for backing out screws or jammed bits It is located above the trigger shown in Figure 2 To reverse the drill turn it OFF and push the reversing lever to the left when...

Page 6: ... in a straight line with the bit Use enough pressure to keep the drill bit biting but do not push hard enough to stall the motor or deflect the bit 5 Hold tool firmly to control the twisting action of the drill 6 IF DRILL STALLS it is usually because it is being overloaded RELEASE TRIGGER IMMEDIATELY remove drill bit from work and determine cause of stalling DO NOT CLICK TRIGGER OFF AND ON IN AN A...

Page 7: ...ear case Clean and relubricate gear case yearly or whenever servic ing requires the gear case to be removed Use type and quantity of grease shown on Parts Bulletin packed with your tool The gear case is removed by removing the three screws from the front of the tool If the chuck is too large to permit removal of the two top screws see instructions for chuck removal Motor Brushes Your drill uses th...

Page 8: ...ned to be defective Conditions The service safety check and the warranty do not apply to repairs made or attempted by anyone other than an authorized B D service location misuse abuse neglect improper application of the tool missing parts or normal wear and tear after first year of ownership Please return the complete unit trans portation prepaid to any B D factory owned or B D authorized service ...

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