Hitachi DH 28PD Manual De Instrucciones página 13

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
components of the machine.
6. When driving machine screws (Fig. 19)
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 6 (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 adaptor (D)
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 hammering function with the chuck
adapter (D) and bit attached.
7. When driving wood screws (Fig. 19)
(1) Selecting a suitable driver bit
Employ phillips screws, if possible, since the driver
bit easily slips off the heads of slotted-head screws.
(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 a wood screw in partly driven into the
wood, squeeze the trigger more strongly to obtain
the optimum driving force.
Front cap
Grip
Fig. 19
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.
8. Hammering only
NOTE:
The dust-collecting unit cannot be used. Remove
the unit and insert the provided cap in the unit
attachment hole.
CAUTION:
If no cover is attached, dust or other particles may
be sucked up from the hole, causing damage to
the motor.
This rotary hammer can be set to hammering only
mode by pressing the push button and turning the
change lever to mark. (Fig. 20)
(1) Mount the bull point or cold chisel.
(2) Press the push button and set the change lever to
mark. (Fig. 21)
The rotation is released, turn the tool and adjust
the tool to desired position. (Fig. 22)
Push button
Change lever
English
Push button
Change lever
Fig. 20
Fig. 21
Fig. 22
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