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CAUTION:
Application of force more than necessary will not
only expedite work 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 use the rotary hammer in the
rotation and striking mode with the drill chuck and
chuck adapter attached. This would seriously
shorten the service life of every component of the
machine.
5.
When driving wood screws (Fig. 21)
(1) Selecting a suitable driver bit
Employ plus-head screws, if possible, since the
driver bit easily slips off the heads of slotted-head
screws.
(2) Tightening wood screws
Prior to tightening wood screws, make pilot holes
suitable for them in the wooden board. Apply the
bit to the screw head grooves and gently drive the
screws in the holes.
Bit
Socket
Chuck adapter
CAUTION:
Exercise care in preparing a pilot hole suitable for
the wood screw taking the hardness of the wood
into consideration. Should the hole be excessively
small or shallow, requiring much power to drive
the screw into it, the thread of the wood screw
may sometimes be damaged.
6.
Using depth gauge (Fig. 22)
(1) Loosen the knob on the side handle, and insert the
depth gauge into the mounting hole on the side
handle.
(2) Adjust the depth gauge position according to the
depth of the hole and tighten the knob bolt securely.
Front cap
Grip
Fig. 21
Mounting hole
Side handle
7.
How to use the drill bit (taper shank) and the taper
shank adapter
(1) Mount the taper shank adapter to the rotary
hammer. (Fig. 23)
(2) Mount the drill bit (taper shank) to the taper shank
adapter. (Fig. 23)
(3) Turn the switch ON, and drill a hole to prescribed
depth.
(4) To remove the drill bit (taper shank), insert the
cotter into the slot of the taper shank adapter and
strike the head of the cotter with a hammer
supporting on the rest. (Fig. 24)
Drill bit
Taper shank
adapter
Cotter
Rests
Fig. 24
English
Depth gauge
Fig. 22
Grip
Front cap
Fig. 23
Taper shank
adapter
17
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