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HOW TO USE THE CORE BIT (FOR LIGHT LOAD)
When boring penetrating large hole use the core bit (for light load). At that time use with
the center pin and the core bit shank provided as optional accessories.
1. Mounting
CAUTION:
⅜ Be sure to turn power OFF and disconnect the plug from the receptacle.
(1) Mount the core bit to the core bit shank.
(Fig. 17)
Lubricate the thread of the core bit shank
to facilitate disassembly.
(2) Mount the core bit shank to the rotary
hammer. (Fig. 18)
(3) Insert the center pin into the guide plate
until it stops.
(4) Engage the guide plate with the core bit,
and turn the guide plate to left or right
so that it does not fall even if it faced
downward. (Fig. 19)
2. How to bore (Fig. 20)
(1) Connect the plug to the power source.
(2) A spring is installed in the center pin.
Push it lightly to the wall or the floor
perpendicularly. Connect all over the
surface of the core bit tip and start
operating.
(3) When boring about 3/16" (5 mm) in
depth the position of the hole will
establish. Bore after that removing the
center pin and the guide plate from core
bit.
Fig. 17
Core Bit
Thread
Core Bit Shank
Fig. 18
Fig. 19
Core Bit
Core Bit Tip
Guide Plate
Center Pin
Fig. 20