Maktec mt817 - Operation

6
For Model MT816/MT817
1
2
013415
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 it to the
original position.
For Model MT818
1
2
013420
Hold the ring and turn the sleeve counterclockwise to
open the chuck jaws. Place the bit in the chuck as far as
it will go. Hold the ring firmly and turn the sleeve
clockwise to tighten the chuck.
To remove the bit, hold the ring and turn the sleeve
counterclockwise.
Depth gauge (optional accessory)
1
2
3
4
013416
The depth gauge is convenient for drilling holes of
uniform depth. Install the depth gauge by the following
sequence.
1. Turn the side grip counterclockwise to loosen the
hex bolt.
2. Insert the depth gauge and adjust the depth of
hole.
3. Turn the side grip clockwise so that the depth
gauge and the grip base are fixed on the tool
completely.
NOTE:
The depth gauge cannot be used at the position where
the depth gauge strikes against the tool body.
OPERATION
CAUTION:
• Always use the side grip (auxiliary handle) and
firmly hold the tool by both side grip and switch
handle during operations.
013490
Hammer drilling operation
CAUTION:
• There is 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., slide the
action mode changing lever to the position of
symbol to use "rotation with hammering" action. Be sure
to use a tungsten-carbide tipped bit. 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.
After drilling the hole, use the blow-out bulb to clean the
dust out of the hole.
Drilling operation
CAUTION:
• Pressing excessively on the tool will not speed up
the drilling. In fact, this excessive pressure will
only serve to damage the tip of your bit, decrease
the tool performance and shorten the service life
of the tool.
1. Side grip
2. Depth gauge
3. Grip base
4. Hex bolt
1. Sleeve
2. Ring
1. Drill chuck
2. Chuck key