Operation; Variable Speed Trigger Switch; Speed Adjustment; Reversing The Direction Of Rotation - GMC HD2G850MK Manual

Operation

Starting and stopping
Operational controls
1. Ensure that the tool is in
good condition.
2. Plug the cordset into the
mains socket.
3. Depress the trigger switch (7)
to start the drill and release the
trigger when you wish to stop.
4. Press the lock-on button (5)
whilst the trigger is depressed
if you require continuous
operation. To disengage the
lock-on switch, press the trigger
then release it.

Variable speed trigger switch

You can adjust the speed of the drill between zero and
maximum by varying the pressure on the trigger.
The harder you press on the trigger the faster the drill
will operate.

Speed adjustment

You can change the maximum
speed setting by turning the
speed dial (8) located on the
trigger switch.

Reversing the direction of rotation

The forward/reverse switch
(6) determines the direction of
rotation of the tool.
1. To select forward rotation,
release the trigger switch
and push the forward/
reverse switch to the left
side of the tool.
2. To select reverse, push the forward/reverse switch to
the right side of the tool.
CAUTION. Any attempt to reverse the direction of rotation
while the drill is turning is likely to permanently damage the
switch.

Drilling/hammer mode selector

You can use the drill for both hammer action and
normal drilling.
1. Use the drilling/hammer
mode selector (4) to select
hammer or drill action. The
type of drilling selected is
indicated by the symbol on
each side of the drill.
2. Push the selector to for
hammer action.
3. Push the selector to for
drill action.
CAUTION. Change the mode of action only when the drill has
come to a complete standstill.
Note. Hammer action drilling should only be preformed in the
forward direction.
9
GB