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✡ ☛ ☞ ✌ ✍ ✎ ✏ ✏ ✑ ☛ ✍ ☞ ✒ ✓ ✔ ✒ ✕ ✔ ✖ ✡ ✑ ✗ ✓ ✎ ✍ ✘ ✙ ✚ ☞ ✒ ✓ ✘ ✛ ✓ ✔ ☛ ✎ ✏
chuck key, tightening equally in all three bores.
For keyless-chuck drills:
Grip rear collar of keyless chuck and rotate front
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tool to be inserted. Grip the rear collar and man-
ually rotate the front collar until tight. An audible
"click" indicates that the chuck has automatically
locked.
REMOVING THE CHUCK
For three-jaw chuck drills:
Open the jaws of chuck 2 entirely. Unscrew the
left threaded securing screw 1 by a screwdriver.
✣ ✜ ☛ ✛ ☞ ✒ ✓ ✛ ✏ ✎ ✔ ✓ ✚ ✙ ✜ ✌ ✤ ☛ ✍ ✥ ☞ ✒ ✓ ✘ ✛ ☛ ✍ ✢ ✏ ✓ ✦ ✡ ✑ ✎ ✘ ✛ ✎ ✍
ner. Insert the special key for chuck tightening
in one of the three bores and rotating clockwise
using the key as lever, unwind chuck 2 from the
spindle.
For keyless-chuck drills:
Grip rear collar of keyless chuck and rotate front
collar until chuck is opened entirely. Using a
screw driver unwind the left-threaded securing
screw. Place a hex bit or a screw-driver bit into
the chuck and tighten it. Secure the place for
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chuck anti-clockwise using the free end of the
bit.
SCREWING/UNSCREWING BOLTS,
SCREWS AND NUTS (BUR 150E,
BUR150CET)
Dismount chuck 2 in the above-described way.
Place the corresponding accessory for screw-
ing/unscrewing bolts, nuts or screws directly
into the spindle. Set the operation mode selector
switch 5 in its rightmost position until the drill bit
symbol is entirely exposed. Select the rotation
direction necessary (screwing/unscrewing) by
lever 9. These operations must be carried out
only at a low rpm.
WARNING: In case of tightening long
screws there is a danger of slipping the drill.
RECOMMENDATION FOR SCREWING
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priate shape and size.
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screwed in without preliminary drilling a small
pilot hole;
8
EN
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hole is necessary;
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liminary spot-faced.
✧ ✭ ✙ ✜ ✛ ☛ ✮ ✙ ☞ ✘ ✔ ✜ ✓ ✩ ✘ ✪ ✢ ✜ ☛ ✏ ✏ ✛ ✜ ✓ ✏ ☛ ✗ ☛ ✍ ✎ ✜ ✑ ☞ ✒ ✓ ✘ ✓ ✎ ☞ ✚ ✙ ✜
the screw for approximately half its length.
AUXILIARY HANDLE
Tighten the auxiliary handle 8 on journal 4 of the
drill. In the interests of safety, the auxiliary han-
dle 8 should always be used. The depth gauge 7
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RECOMMENDATIONS FOR OPERA-
-
TION
Apply moderate pressure during drilling in con-
crete (approximately 80-100 N). Higher pressure
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to decreasing the operation life of the machine.
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with speed lower than the maximum, suited to
the material.
Use carbide tipped straight shank drill bits. Take
the drill out of the opening from time to time to
remove dust.
Watch out the stage of blunting of the bit and
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is observed. Before drilling large-diameter holes,
drill a small pilot hole.
The optimum capacity when drilling in concrete
is up to 10 mm, and the possible capacity is up
to 15 mm.
ACCESSORIES TO BE USED WITH
THIS POWER TOOL
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bits
VII - Maintenance
WARNING: Always ensure that
the tool is switched off and unplugged
before attempting to perform inspection or
maintenance.
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