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15
How to make the batteries perform longer.
(1) Recharge the batteries before they become completely exhausted.
When you feel that the power of the tool becomes weaker, stop using the tool and
recharge its battery. If you continue to use the tool and exhaust the electric current, the
battery may be damaged and its life will become shorter.
(2) Avoid recharging at high temperatures.
A rechargeable battery will be hot immediately after use. If such a battery is recharged
immediately after use, its internal chemical substance will deteriorate, and the battery life
will be shortened. Leave the battery and recharge it after it has cooled for a while.
BEFORE USE
Check the work area to make sure that it is clear of debris and clutter.
Clear the area of unnecessary personnel. Ensure that lighting and ventilation is adequate.
PRIOR TO OPERATION
1. Confirming condition of the environment:
Confirm that the work site is placed under appropriate conditions conforming to
prescribed precautions.
2. Attaching the side handle (Fig. 7)
(1) Turn the grip of the side handle to loosen it and
push it in until it comes in contact with the housing.
(2) Adjust the side handle to the angle that allows the
easiest use, then turn the side handle's grip firmly
to lock it place.
3. Mounting the drill bit (Fig. 8)
(1) To attach a drill bit (SDS-plus shank), fully pull the
grip in the direction of the arrow as shown in Fig. 8
and insert the drill bit as far as it will go while
manually turning.
(2) By releasing the grip, the drill bit will be secured.
(3) To remove the drill bit, fully pull the grip in the
direction of the arrow and pull out the drill bit.
4. Installation of dust cup or dust collector (B)
(Optional accessories) (Fig. 9, Fig. 10)
When using a rotary hammer for upward drilling
operations attach a dust cup or dust collector (B)
to collect dust or particles for easy operation.
⅜ Installing the dust cup
Use the dust cup by attaching to the drill bit a
shown in Fig. 9.
When using a bit which has big diameter, enlarge
the center hole of the dust cup with this rotary ham-
mer.
Fig. 8
Tighten
Loosen
Side
handle
Housing
Grip
Part of SDS-plus shank
Front cap
Drill bit
Fig. 7