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3. Rotation only
Align the “ ” mark with the “ ” mark by rotating
the change lever to set the “Rotation only” mode.
(Fig. 12)
To drill a wood or metal material using the
separately sold drill chuck and chuck adaptor,
proceed as follows. Installing drill chuck and chuck
adaptor (Fig. 14):
(1) Attach the drill chuck to the chuck adaptor.
(2) The part of the SDS-plus shank is the same as the
drill bit. Therefore, refer to the item of “Mounting
the drill bit” for attaching it.
CAUTION:
● Application of force more than necessary will not only reducing drilling efficiency at
all, but will deteriorate the tip edge of the drill bit and reduce the service life of the
rotary hammer in addition.
● Drill bit may snap off while withdrawing the rotary hammer from the drilled hole. For
withdrawing, it is important to use a pushing motion.
● Do not attempt to drill anchor holes or holes in concrete with the main unit in the
rotation only mode.
● Do not attempt to use the rotary hammer in the rotation and striking mode with the
drill chuck and chuck adaptor attached. This would seriously shorten the service life of
every components of the machine.
4. When driving machine screws (Fig. 15)
First, insert the bit into the socket in the end of
chuck adaptor (D).
Next, mount chuck adaptor (D) on the main unit
using procedures described in 3 (1), (2), (3), put
the tip of the bit in the slots in the head of the
screw, grasp the main unit and tighten the screw.
CAUTION:
● Exercise care not to excessively prolong driving
time, otherwise, the screws may be damaged by
excessive force.
● Apply the rotary hammer perpendicularly to the
screw head when driving a screw; otherwise, the
screw head or bit will be damaged, or driving force
will not be fully transferred to the screw.
● Do not attempt to use the rotary hammer in the
rotation and striking mode with chuck adaptor
(D) and bit attached.
Part of
SDS-plus
shank
Drill chuck
Front
cap
Grip
Fig. 14
Socket
Chuck
adaptor (D)
Front cap
Grip
Bit
Fig. 15
Chuck adaptor
01e_dh24dv_e.p65 copy 4/15/04, 6:30 PM20