Operation - Makita HR004GZ Instruction Manual

To remove the dust cup set, remove the bit while pulling
the chuck cover in the direction of the arrow.
► 1 . Bit 2. Chuck cover
Hold the root of dust cup and pull it out.
NOTE: If the cap comes off from the dust cup, attach
it with its printed side facing up so that groove on the
cap fits in the inside periphery of the attachment.

OPERATION

CAUTION:
Always use the side grip (auxiliary
handle) and firmly hold the tool by both side grip
and switch handle during operations.
CAUTION:
Always make sure that the work-
piece is secured before operation.
CAUTION:
Do not pull the tool out forcibly even
the bit gets stuck. Loss of control may cause injury.
CAUTION:
intended for drilling in concrete only. Do not use the
dust collection system for drilling in metal or wood.
1 CAUTION:
collection system, be sure to attach the filter to the
dust collection system to prevent dust inhalation.
CAUTION:
system, check that the filter is not damaged.
Failure to do so may cause dust inhalation.
2
CAUTION:
lects the generated dust at a considerable rate,
but not all dust can be collected.
NOTICE:
for core drilling or chiseling.
NOTICE:
for drilling in wet concrete or use this system
in wet environment. Failure to do so may cause
malfunction.
NOTE: If the battery cartridge is in low temperature,
the tool's capability may not be fully obtained. In this
case, warm up the battery cartridge by using the
tool with no load for a while to fully obtain the tool's
capability.
Hammer drilling operation
CAUTION:
twisting force exerted on the tool/drill bit at the time of
hole break-through, when the hole becomes clogged
with chips and particles, or when striking reinforcing
rods embedded in the concrete. Always use the side
grip (auxiliary handle) and firmly hold the tool by
both side grip and switch handle during opera-
tions. Failure to do so may result in the loss of control
of the tool and potentially severe injury.
Set the action mode changing knob to the
Position the drill bit at the desired location for the hole,
then pull the switch trigger. Do not force the tool. Light
pressure gives best results. Keep the tool in position
and prevent it from slipping away from the hole.
Do not apply more pressure when the hole becomes
clogged with chips or particles. Instead, run the tool at
an idle, then remove the drill bit partially from the hole.
By repeating this several times, the hole will be cleaned
out and normal drilling may be resumed.
16 ENGLISH
The dust collection system is
When using the tool with the dust
Before using the dust collection
The dust collection system col-
Do not use the dust collection system
Do not use the dust collection system
There is tremendous and sudden
symbol.