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.
5.
Warming up (Fig. 8)
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.
Fig. 8
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. 9)
Taper shank adaptor
Drill bit
(Taper shank)
Fig. 9
(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. 10)
01Eng_DH38YE2_US
7.
Using the stopper (Fig. 11)
(1) Loosen the wing bolt, and insert the stopper into
the mounting hole on the side handle.
(2) Adjust the stopper position according to the depth
of the hole and tighten the wing bolt securely.
HOW TO USE THE CORE BIT
When boring penetrating large hole use the core bit. At
that time use with the center pin and the core bit shank
provided as optional accessories.
1.
Mounting
CAUTION:
Be sure to turn power OFF and disconnect the plug
from the receptacle.
(1) Mount the core bit to the core bit shank. (Fig. 12)
Lubricate the thread of the core bit shank to
facilitate disassembly.
9
Taper shank
adaptor
Cotter
Support
Fig. 10
Mounting hole
Stopper
Wing bolt
Side handle
Fig. 11
Core bit
Core bit shank
Fig. 12
4/21/10, 4:26 PM
English
9