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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.
(2) When fixing working positions of tools such as cold
chisel, etc.,
(a) Push the button, release lock and turn the
selector lever.
Align ▲ of the selector lever and of the
lever holder as illustrated in Fig. 7.
(b) Release the button to lock the selector lever.
(c) Turn the grip as illustrated in Fig. 8 and fix
the tool to the desired working direction.
(d) Switch the selector lever to “hammering”
according to the procedures mentioned in the
above item (1) and secure the position of the
tool.
5. Warming up (Fig. 9)
The grease lubrication system in this unit may
require warming up in cold regions.
Position the end of the bit so makes contact with
the concrete, turn on the switch and perform the
warming up operation. Make sure that a hitting
sound is produced and then use the unit.
CAUTION:
When the warming up operation is performed,
hold the side handle and the main body securely
with both hands to maintain a secure grip and be
careful not to twist your body by the jammed drill
bit.
6. How to use the drill bit (taper shank) and the taper
shank adaptor.
(1) Install drill bit with taper shank in the taper shank
adaptor. (Fig. 10)
(2) Turn the power on and drill a base hole.
(3) After cleaning out dust with a syringe, attach the
plug to the anchor tip and drive in the anchor with
a manual hammer.
(4) To remove the drill bit with taper shank, insert a
cotter into the slot of the taper shank adaptor, place
supports under the Rotary Hammer and tap the
cotter with a manual hammer. (Fig. 11)
Fig. 7
Selector lever
Lever holder
Button
Grip
Fig. 8
Fig. 10
Drill bit
(Taper shank)
Taper shank adaptor
Fig. 9
01Eng_DH38MS_US 7/14/09, 9:229