Hitachi DH 28PD Manual De Instrucciones página 12

English
(5) Replacing the rubber cap
Wear of the rubber cap will reduce dust-collecting
effectiveness.
Replace the rubber cap when it becomes worn.
How to replace the rubber cap (Fig. 15)
(1) Remove the nozzle seal from the nozzle.
(2) Replace the rubber cap with a new cap.
Fit the rubber cap making sure that it is correctly
oriented.
(3) Attach the nozzle seal.
Insert the lip of the nozzle seal securely into the
groove of the nozzle.
At this time, make sure that the groove between
the nozzle and the nozzle seal is uniform all the way
round.
Lip
Rubber cap
Nozzle seal
4. When not using the dust-collecting unit
When using the rotary hammer without the dust-
collecting unit, attach the provided cover in the unit
attachment hole (Fig. 16).
CAUTION:
If no cover is attached, dust or other particles may
be sucked up from the hole, causing damage to
the motor.
Attachment
hole
12
Groore Nozzle
Groore between nozzle
and nozzle seal
Fig. 15
Cover
Fig. 16
5. Rotation 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 rotation only
mode by pressing the push button and turning the
change lever to mark. (Fig. 17)
Push button
Change lever
Turn the grip slightly and confirm that the clutch
has been engaged with a click.
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. 18):
(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.
F r o n t
Chuck
cap
adaptor
Part of SDS-plus
D r i l l
chuck shank
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
function.
Fig. 17
Grip
Fig. 18