User Manual

11
Lock-Off Trigger Switch
On - The machine has a lock-off trigger switch. First
press the switch button, then squeeze the trigger
switch to start the motor.
Off - Release the trigger switch.
CAUTION: After the machine has been switched
off, the spindle will continue rotating. Take care
that parts of your body do not come into
contact with the rotating parts or set the
machine down while it is still rotating!
HOW TO USE THE TOOL
Effective control of this machine requires two-
handed operation for maximum protection and
resistance to the start-up and operating torque.
Place the work properly and hold the machine
firmly WITH BOTH HANDS to prevent loss of
control, which could cause personal injury. Protect
your eyes from injury with safety glasses or
goggles.
WARNING: Keep the cord behind the operator
and away from grinding area to prevent it from
becoming entangled.
OVERLOAD
This machine is equipped with overload protection
which will shut off the motor if the maximum
allowable current is exceeded. If the overload trips,
remove from the work surface, release the switch
and then switch back on. The machine will restart.
CAUTION: Whenever the machine overloads,
always run the machine at no load for a few
minutes to allow the temperature to return to
normal before proceeding to work.
SPEED STABILIZATION
This machine is equipped with an electronic speed
stabilization system which maintains constant
speed under load.
VARIABLE SPEED FUNCTION
The motor's speed can be varied from 4000 up to
8500/min
-1
to suit the needs of different work
situations. Turn the Variable Speed Thumbwheel
clockwise to increase speed and anti-clockwise to
decrease.
VACUUM CONNECTION
WARNING: Dust developing while working can
be harmful to one’s health.
This machine is designed specifically for dry
grinding of concrete and similar materials. It uses
dry diamond cup wheels and must be used with
a suitable vacuum cleaner. Never exhaust the dust
directly into the atmosphere.
Trigger Switch
Variable Speed Thumbwheel