Hitachi DH 30PB, Instruction And Safety Manual, Page: 16 / 76

16
English
9. Using the side handle
When you wish to change a position
of the side handle, turn grip of the side
handle counterclockwise to loosen it,
and then fasten it firmly.
CAUTION:
When boring a hole, there can be a
case where the machine attempts to
rotate by the reaction at the time of
penetrating a concrete wall and/or
when a tip of the blade comes in
contact with the rebar.
Firmly fasten the side handle and hold
the machine with both of your hands.
Unless you hold it securely, an
accident can occur.
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:
䡬
Be sure to turn power OFF and disconnect the plug from the receptacle.
(1) Mount the core bit to the core bit
shank. (Fig. 15)
Lubricate the thread of the core bit
shank to facilitate disassembly.
(2) Mount the core bit shank to the rotary
hammer. (Fig. 16)
(3) Insert the center pin into the guide
plate until it stops.
Fig. 13
Drill Bit
Taper shank
Adaptor
Front Cap Grip
Cotter
Rests
Taper Shank Adaptor
Fig. 14
Fig. 15
Core Bit
Thread
Core Bit Shank