Makita HR4041C Manual De Instrucciones página 6

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 bit partially from the hole. By
repeating this several times, the hole will be cleaned out
and normal drilling may be resumed.
CAUTION:
There is a tremendous and sudden twisting force
•
exerted on the tool/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 hold the
tool firmly with both hands. Failure to do so may
result in the loss of control of the tool and potentially
severe injury.
Blow-out bulb (optional accessory)
002449
After drilling the hole, use the blow-out bulb to clean the
dust out of the hole.
Chipping/Scaling/Demolition
007798
Hold the tool firmly with both hands. Turn the tool on and
apply slight pressure on the tool so that the tool will not
bounce around, uncontrolled. Pressing very hard on the
tool will not increase the efficiency.
Core bit (optional accessory)
Screw the core bit on the adapter. Install the adapter with
the core bit in the tool in the same manner as a drill bit.
1. Blow-out bulb
1
003209
Install the center bit.
1
003210
Rest the core bit on the concrete and turn the tool on.
Once the core bit has cut a shallow groove into the
concrete, remove the center bit. Then resume drilling.
007800
To remove the core bit, follow the procedure below.
Hold the adapter with the wrench, insert a rod (optional
accessory) into the hole in the core bit and tap with a
hammer to unscrew.
1
003215
6
1. Core bit
1
2. Adapter
2
1. Center bit
1. Rod