5
For rotation with hammering, turn the knob so that
the
mark is towards the small diamond marking on the
tool body.
For rotation only, turn the knob so that the
mark is
towards the small diamond marking.
CAUTION:
•
Always turn the action mode changing knob all the
way to your desired mode position. If you operate
the tool with the knob positioned halfway between
the mode symbols, the tool may be damaged.
ASSEMBLY
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Installing side grip (auxiliary handle)
1
002429
Screw the side grip on the tool securely.
Installing or removing drill bit
1
002434
To install the bit, place it in the chuck as far as it will go.
Tighten the chuck by hand. Place the chuck key in each
of the three holes and tighten clockwise. Be sure to
tighten all three chuck holes evenly.
To remove the bit, turn the chuck key counterclockwise
in just one hole, then loosen the chuck by hand.
Depth gauge
1
2
002442
The depth gauge is convenient for drilling holes of
uniform depth. Loosen the clamp screw and adjust the
depth gauge to the desired depth. After adjusting,
tighten the clamp screw.
OPERATION
Hammer drilling operation
002447
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
use the side grip (auxiliary handle) and firmly hold
the tool by both side grip and switch handle during
operations. Failure to do so may result in the loss
of control of the tool and potentially severe injury.
When drilling in concrete, granite, tile, etc., turn the
action mode changing knob to the position of
symbol
to use "rotation with hammering" action.
Be sure to use a tungsten-carbide tipped bit.
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.
1. Clamp screw
2. Depth gauge
1. Chuck key
1. Side grip
