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requiring much power to drive the screw into it, the thread of the wood screw may
sometimes be damaged.
6. Using the stopper (Fig. 10)
(1) Loosen the knob on the side handle, and insert
the stopper into the mounting hole on the side
handle.
(2) Adjust the stopper position according to the
depth of the hole and tighten the knob
securely.
7. How to use the drill bit (taper shank) and
the taper shank adaptor.
(1) Mount the taper shank adaptor to the rotary
hammer. (Fig. 11)
(2) Mount the drill bit (taper shank) to the taper
shank adaptor. (Fig. 11)
(3) Turn the switch ON, and drill a hole in
prescribed depth.
(4) To remove the drill bit (taper shank), insert
the cotter into the slot of the taper shank
adaptor and strike the head of the cotter with
a manual hammer supporting on the rests.
(Fig. 12)
8. Using the side handle
When you wish to change a position of the
side handle, turn grip of the side handle
counterclockwise to loosen it, and then fasten
it firmly.
CAUTION:
When boring a hole, there can be a case where
the machine attempts to rotate by the
reaction at the time of penetrating a concrete
wall and/or when a tip of the blade comes in
contact with the rebar.
Firmly fasten the side handle and hold the
machine with both of your hands. Unless you
hold it securely, an accident can occur.
Cotter
Rests
Taper shank adaptor
Fig. 12
Side handle
Fig. 10
Mounting
hole
Stopper
Fig. 11
Front cap
Drill bit
Taper shank
adaptor
Grip
e01_dh25pb(02_24)e.p65 2/14/03, 5:02 PM14