Makita HR4041C Manual De Instrucciones página 5

Installing or removing the bit
Press in the tool retainer and turn it until the red dots on
the tool retainer and the tool holder are aligned. Release
the tool retainer.
007794
Insert the bit into the tool holder as far as it will go. Press
in the tool retainer and turn it a full 180 degrees. Then
release it to secure the bit.
007795
To remove the bit, follow the installation procedure in
reverse.
Depth gauge
1
007799
The depth gauge is convenient for drilling holes of
uniform depth. Insert the depth gauge into the hole in the
grip base. Adjust the depth gauge to the desired depth
and then tighten the clamp screw to secure the depth
gauge.
NOTE:
The depth gauge cannot be used at the position
•
where the depth gauge strikes against the tool
body.
1. Red dot (Tool
1
holder)
2. Red dot (Tool
2
retainer)
1. Tool retainer
1
1. Depth gauge
2
2. Clamp screw
OPERATION
CAUTION:
Always use the side grip (auxiliary handle) and firmly
hold the tool by both side grip and switch handle during
operations.
Hammer drilling operation
007797
Set the change lever to the
Position the 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 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,
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.
5
symbol.
or when striking
1. Blow-out bulb
1