HIKOKI DH 28PEC Manual de Instruções de Manuseamento - Página 7
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Front cap
Drill chuck
Chuck adapter
Part of SDS-plus shank
CAUTION
○ Application of force more than necessary will not only
expedite the work, but will deteriorate the tip edge of the
drill bit and reduce the service life of the rotary hammer
in addition.
○ Drill bits 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 machine set in the rotation only function.
○ Do not attempt to use the rotary hammer in the rotation
and hammering function with the drill chuck and chuck
adapter attached. This would seriously shorten the
service life of every component of the machine.
4. When driving machine screws (Fig. 10)
(1) Insert the bit into the socket in the end of chuck adapter
(D).
(2) Mount chuck adapter (D) on the main unit using
procedures described in 4 (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.
Bit
Socket
Chuck adapter (D)
CAUTION
○ Screw heads or bits will be damaged unless a bit
appropriate for the screw diameter is employed to drive
in the screws.
○ 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 the 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 function with the chuck adapter and bit
attached.
5. When driving wood screws (Fig. 10)
(1) Selecting a suitable driver bit
Employ plus-head screws, if possible, since the driver bit
easily slips off the heads of minus-head screws.
Screw heads or bits will be damaged unless a bit
appropriate for the screw diameter is employed to drive
in the screws.
Grip
Fig. 9
Front cap
Grip
Fig. 10
(2) Driving in wood screws
○ Prior to driving in 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 into the holes.
○ After rotating the rotary hammer at low speed for a while
until the wood screw is partly driven into the wood,
squeeze the trigger more strongly to obtain the optimum
driving force.
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. Hammering only
This rotary hammer can be set to hammering only mode
by pressing the push button and turning the change lever
to the
mark (Fig. 11).
Change lever
(1) Mount the tool. (Bull point, cold chisel etc.)
(2) Press the push button and set the change lever to middle
of
mark and
The rotation is released, turn the grip and adjust the cold
chisel to desired position (Fig. 13).
Change lever
7
Push button
Fig. 11
mark (Fig. 12).
Push button
Fig. 12
Grip
Fig. 13