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5
Fig. 1
(2) To attach the tool (SDS max shank), insert it into
the hole until it contacts the innermost end of the
hole as illustrated in Fig. 2.
If you continue to turn the tool with slight pressure,
you can feel a spot where there is a hitch. At that
spot, pull the grip to the direction of an arrow mark
and insert the tool all the way until it hits the
innermost end.
Releasing the grip reverts the grip and secures the
tool in place.
Fig. 2
(3) Pull the tool to make sure it is locked completely.
(4) To remove the tool, fully pull the grip in the direction
of the arrow and pull out the tool.
5. RCD
The use of a residual current device with a rated
residual current of 30 mA or less at all times is
recommended.
HOW TO USE THE ROTARY HAMMER
NOTE: Ensure that the wing bolt in the side handle is
properly tightened before using the tool.
1. How to drill holes (Fig. 3)
(1) Pull the switch trigger after applying the drill bit
tip to the drilling position.
(2) It is unnecessary to forcibly press the rotary hammer
main body. It is sufficient to slightly press the rotary
hammer to an extent that shavings are freely
discharged.
Fig. 3
CAUTION:
Although this machine is equipped with a safety
clutch, if the drill bit becomes bound in concrete
or other material, the resultant stoppage of the drill
bit could cause the machine body to turn in reaction.
Ensure that the main handle and side handle are
gripped firmly during operation.
2. How to chisel or demolish (Fig. 4)
By applying the drill bit tip to the chiseling or
demolishing position, operate the rotary hammer
by utilizing its empty weight.
Forcible pressing or thrusting is unnecessary.
Fig. 4
3. When drilling at “rotation + hammering”:
CAUTION:
If you switch the selector lever during motor rotation,
the tool can start to rotate abruptly, resulting in
unexpected accidents. Be sure to switch the selector
lever when the motor is at a complete stop.
(1) Switching to “rotation + hammering”
(a) Push the button, release lock and turn the selector
lever clockwise.
(b) Align ▲ of the selector lever and
of the lever
holder as illustrated in Fig. 5.
(c) Release the button to lock the selector lever.
Fig. 5
NOTE:
Turn the selector lever (do not push the button) to
check if it is completely locked and make sure that
it does not turn.
Tool shank
Grease or machine oil
Tool
Part of SDS
max shank
Front cap
Grip
Button
Selector lever
Lever holder
Side handle
01Eng_DH38MS_Eng 12/3/10, 2:57 PM5