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For Model HP1500
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.
After using the chuck key, be sure to return to the original
position.
Depth gauge
The depth gauge is convenient for drilling holes of uniform
depth. Loosen the side grip and insert the depth gauge into
the hole in the side grip. Adjust the depth gauge to the
desired depth and tighten the side grip.
NOTE:
• The depth gauge cannot be used at the position where
the depth gauge strikes against the tool body.
OPERATION
Hammer drilling operation
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., depress the
action mode changing button from the side with symbol
fully 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 slip-
1. Chuck key
2. Chuck
1
2
002454
1. Depth gauge
2. Side grip
3. Grip base
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2
3
002438