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C
FIG. 1
E
COMPONENTS (FIG. 1)
WARNING: Never modify the power tool or any part of it. Damage
or personal injury could result.
A. Trigger switch
B. Lock-on button
C. Spindle lock button
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of injury, turn
unit off and disconnect it from power source
before installing and removing accessories,
before adjusting or when making repairs. An
accidental start-up can cause injury.
Attaching Side Handle (Fig. 2)
The side handle (D) can be fitted to either side of
the gear case in the threaded holes, as shown.
Before using the tool, check that the handle is
tightened se cure ly.
B
A
D
D. Side handle
E. Guard (Type 27, open beneath
wheel or accessory)
FIG. 2
D
Accessories
The capacity of the DW831 is 5" (125 mm) diameter x 1/4" (6.35 mm)
thick grinding wheels.
The capacity of the DW840 is 7" (180 mm) diameter x 1/4" (6.35 mm)
thick grinding wheels.
It is important to choose the correct guards, backing pads and flanges
to use with grinder accessories. See pages 10–11 for information on
choosing the correct accessories.
WARNING: Handle and store all abrasive wheels carefully to
prevent damage from thermal shock, heat, mechanical damage, etc.
Store in a dry protected area free from high humidity, freezing
temperatures or extreme temperature changes.
CAUTION: Accessories must be rated for at least the speed
recom mended on the tool warning label. Wheels and other
accessories running over their rated speed may fly apart and cause
injury. Threaded accessories must have a 5/8" – 11 hub. Every
unthreaded accessory must have a 7/8" arbor hole. If it does not, it
may have been designed for a circular saw. Use only the accessories
shown on pages 10–11 of this manual. Accessory ratings must
always be above listed tool speed as shown on tool nameplate.
OPERATION
WARNING: To reduce the risk of injury, turn unit off
and disconnect it from power source before installing and
removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Switch
CAUTION: Check that the tool is not locked on before connecting
it to a power supply. If the trigger switch is locked on when the tool is
connected to the power supply, it will start immediately. Damage to
your tool or personal injury may result.
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