How To Use - Hitachi DH 18DBL Handling Instructions Manual

HOW TO USE

CAUTION
To prevent accidents, make sure to turn the switch off and disconnect the battery
when the drill bits and other various parts are installed or removed. The power switch
should also be turned off during a work break and after work.
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
○ When the switch trigger is depressed, the tool rotates. When the switch trigger is released,
the tool stops.
○ 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.
○ When releasing the switch trigger, the brake will be applied for immediate stopping.
2. Rotation + hammering
This rotary hammer can be set to rotation and
hammering mode by pressing the push button and
turning the change lever to the
(DH18DBQL with the drill bit holder installed)
(1) Mount the drill bit.
(2) Pull the trigger switch after applying the drill bit tip to
the drilling position. (Fig. 17)
(3) Pushing the rotary hammer forcibly is not necessary
at all. Pushing slightly so that drill dust comes out
gradually is just suffi cient.
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. 17.
3. Rotation only
This rotary hammer can be set to rotation only mode by
pressing the push button and turning the change lever to the
mark (Fig. 18).
To drill wood or metal material using the drill chuck and chuck
adapter (optional accessories), proceed as follows.
mark (Fig. 16).
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English
Push button
Change lever
Fig. 16
Fig. 17
Push button Change lever
Fig. 18