Page 10 ;&(%$*4.8"4,7%<'*#$"&8#=%/7*,#*%4,77%>?@@@?@AA?BCDC1 Item 64754 64756
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1� Use high speed drill bits for wood drilling�
(For Model 1792C-B1 only, select Drilling
Mode with the Mode Selector)�
2� Start wood drilling at very low speed
to keep the bit from slipping� Increase
speed as drill bit bites into wood�
3� When drilling through holes, place a block
or wood behind the workpiece to prevent
ragged edges on the back side of the hole�
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1� Use high speed drill bits for metal drilling�
(For Model 1792C-B1 only, select Drilling
Mode with the Mode Selector)�
2� Start metal drilling at very low speed to keep the bit
from slipping� Maintain the speed and pressure,
allowing for cutting without overheating the bit�
3� When drilling large holes in metal surfaces, use a
small drill bit at first� Then finish with a larger drill
bit� Be sure to lubricate the bit with oil to improve
the drilling action and help increase bit life�
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1� Use carbide or specialty bits for masonry drilling
and set mode to Hammer Drilling�
2� When drilling in walls, start with regular
drilling and, once tile is pierced, continue
with Hammer Drilling mode�
O&84(*$*%U("77"83%G"/#-
a� Do not add water to the drill hole�
b� Clean the bit flutes regularly while drilling�
c� Back the bit out of the hole often during drilling,
especially when drilling deep holes�
d� Grease the bit shank and bit holder and keep
the shank end of the bit dust and debris free�
e� Use the shortest bit practical�
f� When drilling deep holes, work in stages,
use a short bit for the beginning of the hole,
then change to a longer bit�
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