Assembly And Operation; Applications; Prior To Operation - Hitachi H 90SG Safety Instructions And Instruction Manual

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ASSEMBLY AND OPERATION

APPLICATIONS

The demolition hammer should be applied to
demolishing concrete, chiseling concrete,
grooving, bar cutting, and driving piles in
installation of piping and wiring, sanitary facility
installation, machinery installation, water supply
and drainage work, interior jobs, harbor facilities
and other civil engineering work.

PRIOR TO OPERATION

1. Power source
Ensure that the power source to be utilized conforms
to the power source requirements specified on the
nameplate of this demolition hammer.
2. Power switch
Ensure that the switch is in the OFF position. If the
plug is connected to a receptacle while the switch is
in the ON position, this demolition hammer will start
operating immediately and can cause serious injury.
3. Extension cord
When the work area is remote from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
WARNING:
Damaged cord must be replaced or
repaired.
4. Check the receptacle
If the receptacle loosely accepts the plug, the
receptacle must be repaired. Contact the nearest
authorized service center for repair service.
If such a faulty receptacle is used, it may cause
overheating, resulting in a serious hazard.
5. Confirming condition of the environment
Confirm that the work site is placed under neat, clean
conditions conforming to prescribed precautions.
6. Attaching the side handle
Attach the side handle to the unit using the
hexagonal wrench and hexagon socket hd. bolt M6
x 4. Make sure the convex portion of the A-side is
positioned towards the nut. (Fig.2)
8
Side handle
Nut
Convex
portion
A- side
7. Installing an accessory, such as a bull point, a cutter,
etc.,
CAUTION:
To prevent accidents, make sure to turn the switch
off and disconnect the plug from the receptacle.
NOTE:
When using accessories such as bull points, cutters,
etc., make sure to use the genuine parts designated
by our company.
* It is possible to attach accessories such as bull points,
cutters, etc., with any of the three types of shank bit
shapes shown below. (Fig. 3)
Air Tool Shank Bit
Standard Hex. Shank Bit (Combo Type)
Retaining Groove Bit without Collar
Wrench
Bolt M6
Fig. 2
Fig. 3