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HOW TO USE (CUTTING)
WARNING!
Note that the unit is not a hand held tool. Be
absolutely sure to use the unit only after placing
it on stable spots such as floor, ground, etc.
Never bring your hand close to the cutter during
operation.
Never bring your hand close to the reaction stoppers
A and B during operation.
Do not cut any materials other than the rebars. If
you attempt to do so, the material can splinter into
pieces and scatter.
The bending roller moves even during cutting
operation. Never bring your hand close to the
bending roller.
The cutter blade can get worn out by repeated
cutting of the rebar. Continued use of a worn-out
cutter can result in the damage and the broken
pieces flying around. Replace it with a new cutter
after approximately 8,000 times of cutting as a
rough guide.
The machine is so designed that the upper cutter
and the grip rubber can support a rebar.
If the grip rubber gets worn out, there is a fear that
it cannot sufficiently hold the rebar and gets broken
down with its parts flying around, etc.
If the grip rubber cannot hold the rebar much
longer, replace it with a new grip rubber. (For
replacing the grip rubber and repairing, ask the
store where you purchased it or the Hitachi Koki
Power Tool Center.)
During cutting work, securely hook the rebar to the
reaction stopper B.
length of the rebar to be hooked to the reaction
stopper B.
Set the rebar in the center or the recess of the cutter
during cutting work.
rebar set on corners or ends of the cutter can result
in the pieces of broken rebar flying around or the
damage to the cutter and the machine.
1. Cutting (Fig. 3.)
(1) Turn the lever in the direction of the arrow mark
and open the cover.
(2) Set the setting dial at the "cut" position. (Turn the
setting dial all the way clockwise.) (Fig. 3.)
(3) Set the unit in the position shown in Fig. 3.
(4) Set the rebar to be cut on the lower cutter.
(5) When the rebar is set, make sure that either the
reaction stopper A or B is hitched to the rebar.
(6) Pull the switch trigger and cut the rebar.
CAUTION
For the sake of safe operation, this unit is designed
so that the switch cannot be inadvertently switched
on. When switching the tool on, press the lock
button and then pull the switch trigger (Fig. 2). If
the switch trigger is pulled without pressing the
lock button first, the switch may be damaged. Please
use care when switching the tool on.
Even after the cutting has been completed, continue
pulling the switch trigger until the motor starts to
run in the reverse direction and the cutter starts
to return. If the switch trigger is released too early,
the cutter will not return and the trigger will have
to be pulled again.
11
Furthermore, secure enough
Any cutting work with the
If the switch is turned off and then immediately
turned on again, the motor may not start. Wait for
at least one full second before attempting to turn
the motor on again after it has been switched off.
A slip clutch is built in the machine to protect the
mechanism.
If you process the material with the diameter or
quality beyond the capacity, the slip clutch can
sometimes function. In such a case, stop processing
immediately and check the material.
When the slip clutch works, a big slip noise occurs,
but it's not a malfunction.
2. Removing the rebar during cutting operation. (Fig.
4.)
If the switch trigger is released in the middle of
cutting, the cutter can come to a stop at a halfway
position, jumming the rebar in the unit.
When this occurs, you can either pull the switch
trigger again and cut off the rebar, or you can free
the rebar by bringing the upper cutter back up to
the home position by carrying out the following
procedure. (Fig. 4.)
Removing (Fig. 5.)
Set the setting dial to the "RETURN" position as
shown in Fig. 5. and pull the switch trigger again.
SERVICE LIFE AND REPLACEMENT OF THE
CUTTER
1. Service life of cutter (Fig. 6.)
Repeated cutting of the rebar can result in the
"wear and tear", "deformation," nicked edges", etc.
Using the cutter under such circumstances will not
only damage the machine but also there will be a
fear of the broken cutter fragments flying around.
Replace it with a new cutter after cutting about
8,000 pieces of rebar (a rough guide).
2. Before removing the cutter
WARNING!
To prevent accidents, always be sure to turn the switch
OFF and unplug the power cord from the receptacle.
(1) Pull the switch lightly and let the upper cutter move
slowly. When the hexagon socket bolt that fixes the
upper cutter comes out of the cam cover, turn the
switch OFF and stop the motor.
(2) Unplug the power cord from the receptacle.
3. Removal
If you remove the hexagon socket bolt using the
provided Allen key, you can remove the cutter.
(Pushing the cutter guard up in the direction of the
arrow shown in Fig. 7, facilitates removal of the
upper cutter.)
Removal of the lower cutter can be easily made if
the lower cutter is wrenched with a Phillips head
screwdriver as shown in the following diagram.
(Fig. 8)
4. Mounting
(1) Get rid of dust around the cutter installing section
and clean it up.
(2) Align the hole of a new cutter and the position of
a pin, and insert it into the installing section.
(3) Also replace the hexagon socket bolt (packed along
with the cutter) with a new one simultaneously,
completely tighten it using the attached Allen key,
and then fix the cutter.
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