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Hitachi DH 36 DAL Manual

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English
These data are for the referential values. The number of
holes that can be drilled varies according to the sharpness
of the used bit or the conditions of the concrete being
drilled.
CAUTION:
When using this unit continuously, the unit may
overheat, leading to damage in the motor and switch.
Please leave it without using it for approximately
15 minutes.
HOW TO USE
CAUTION on lithium-ion battery
To extend the lifetime, the lithium-ion battery equips with
the protection function to stop the output. Therefore, if
the tool is overloaded, the motor may stop. However, this
is not the trouble but the result of protection function. In
this case, release the switch of tool and eliminate the
causes of overloading.
1. Switch operation
⅜ When the switch trigger is depressed, the tool rotates.
When the switch trigger is released, the tool stops.
⅜ The rotational speed of the rotary hammer can be
controlled by varying the amount that the switch
trigger is pulled. Speed is low when the switch
trigger is pulled slightly and increases as the switch
trigger is pulled more.
⅜ When releasing the switch trigger, the brake will
be applied for immediate stopping.
2. Rotation + Hammering
Align the “
” mark with the “ ” mark by
rotating the change lever to set the “Rotation +
Hammering” function. (Fig. 8-a, Fig. 8-b)
(1) Mount the drill bit.
(2) Pull the trigger switch after applying the drill bit
tip to the drilling position. (Fig. 10)
(3) Pushing the rotary hammer forcibly is not necessary
at all. Pushing slightly so that drill dust comes out
gradually is just sufficient.
CAUTION:
When the drill bit touches construction iron bar, the
bit will stop immediately and the rotary hammer
will react to revolve. Therefore please grip the side
handle and handle tightly as shown in Fig. 10.
3. Rotation only
Align the “
” mark with the “ ” mark by rotating
the change lever to set the “Rotation only” function.
(Fig. 8-a, Fig. 8-b)
To drill a wood or metal material using the optional
drill chuck and chuck adapter, proceed as follows.
Installing drill chuck and chuck adapter: (Fig. 11)
(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:
⅜ 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.
⅜ Drill bit may snap off while withdrawing the
rotary hammer from the drilled hole. For
withdrawing, it is important to use a pushing
motion.
⅜ 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.
4. When driving wood screws (Fig. 13)
(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.
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.
5. Hammering only
Align the “
” mark with the “ ” mark by rotating
the change lever to set the “Hammering only”
function. (Fig. 8-a)
(1) Mount the bull point or cold chisel.
6. Using depth gauge (Fig. 12)
(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.
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. 14)
(2) Mount the drill bit (taper shank) to the taper shank
adapter. (Fig. 14)
(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. 15)
8. Switching between the “SAVE“ and the “POWER“
modes
The hammering force of the hammer can be
increased or decreased to conform with intended
usage, by operating the shift knob as per Fig. 16.
Adjust the force to match the usage intended.
(1) “SAVE“ mode ... decreased hammering force
This can prevent thin drill bits which are less than
5 mm in diameter, from being bent or broken.
(2) “POWER“ mode ... increased hammering force
⅜ This can be used to speedily and efficiently drill
holes when the drill bits which are being used are
greater than 5 mm in diameter.
⅜ This can be used to drill holes into wood or metal.
CAUTION:
Do not drill holes in wood with the “SAVE“ mode.
There is a likelihood that the motor will burn out
because it can easily lock up due to the low power
LUBRICATION
Low viscosity grease is applied to this rotary hammer so
that it can be used for a long period without replacing the
grease. Please contact the nearest service center for
01Eng_DH25DL_WE 08/4/30, 09:3313
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