Makita HP2040 Instruction Manual page 8

Speed change
Two rpm ranges can be preselected with
the speed change knob.
For low speed, turn the knob
so
that the
pointer on the knob points to the number
1
marked on the tool body.
For high speed, turn the knob so that the
pointer points to the number 2.
If the knob is not turned smoothly, turn the
chuck slightly in either direction and then
turn the knob again.
I
Selecting action mode
This tool has an action mode change but-
ton.
For rotation only, depress the button from
the side with rmv symbol.
For rotation with hammering, depress the
button from the side with symbol.
Low
speed High speed
Speedchangeknob
7
Action mode change button
CAUTION:
Always depress the button all the way to your desired mode position. If you operate the
tool with the button positioned half-way between the mode symbols, the tool may be
damaged.
Operation
1)
Hammer drilling operation
When drilling in concrete, granite, tile, etc., depress the action mode change button
from the side with symbol to use "rotation with hammering" action. Be sure to use a
tungstencarbide tipped bit. Do not apply more pressure when the hole become clogged
with chips or particles. Instead, turn the tool at an idle, then remove the bit partially from
the hole. By repeating this several times, the hole will be cleaned out
After drilling the hole, use the blow-out
bulb to clean the dust out of the hole.
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