DeWalt DW980 Mode D'emploi page 25

Selecting the operating mode or adjusting the
torque (fig. C)
The collar of this tool has a wide range of positions
for the adjustment of the torque to suit the size of
the screw and the workpiece material. For torque
adjustment, refer to the section «Screwdriving».
• Select the drilling mode or torque by aligning the
symbol or number on the collar (4) with the
indicator (16) on the housing.
DW981/DW984/DW985/DW988/DW989
The percussion drills can be used in the following
operating modes:
Rotary drilling:
for steel, wood and plastics
Percussion drilling:
for masonry
Forward/reverse slider (fig. D)
• To select forward or reverse rotation, use the
forward/reverse slider (2) as shown (see arrows
on tool).
Always wait until the motor has come to
a complete standstill before changing the
direction of rotation.
Three-gear selector (fig. E)
Your tool is fitted with a three-gear selector (6) to
vary the speed/torque ratio.
1 low speed/high torque
2 medium speed/medium torque
3 high speed/low torque
For speed rates, refer to the technical data.
Do not change gears at full speed or
during use.
Instructions for use
• Always observe the safety instructions
and applicable regulations.
• Be aware of the location of pipework and
wiring.
• Apply only a gentle pressure to the tool.
21
DW980_989.P65
Switching on and off (fig. A & D)
• To run the tool, press the variable speed switch
(1). The pressure exerted on the variable speed
switch determines the tool speed.
• To stop the tool, release the switch.
• To lock the tool in the off position, move the
forward/reverse slider (2) to the central position.
Screwdriving (fig. A)
• Select forward or reverse rotation using the slider (2).
• Set the collar (4) to position 1 and begin
screwdriving (low torque).
• If the clutch ratchets too soon, adjust the collar
to increase the torque as required.
Drilling (fig. A)
• Select the drilling mode using the collar (4).
• Select forward rotation.
Drilling in metal
• Use a cutting lubricant when drilling metals.
The exceptions are cast iron and brass which
should be drilled dry.
Drilling in wood
• Use the appropriate type of drill bit.
Consult your dealer for further information on the
appropriate accessories.
Maintenance
Your D
operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper tool care and regular cleaning.
Lubrication
Your power tool requires no additional lubrication.
Cleaning
• Unplug the charger before cleaning the housing
with a soft cloth.
• Remove the battery pack before cleaning your
power tool.
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WALT Power Tool has been designed to
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14-09-2001, 08:37
E N G L I S H
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