Hitachi Koki G 18SRU Instrucciones De Manejo página 5

After switching off the machine, do not put it down until
the depressed center wheel has come to a complete
stop. Apart from avoiding serious accidents, this
precaution will reduce the amount of dust and swarf
sucked into the machine.
8. When the machine is not use, the power source should
be disconnected.
9. Be sure to switch OFF and disconnect the attachment
plug from the receptacle to avoid a serious accident
before the depressed center wheel is assembling and
disassembling.
10. RCD
The use of a residual current device with a rated residual
current of 30 mA or less at all times is recommended.
SYMBOLS
WARNING
The following show symbols used for the machine.
Be sure that you understand their meaning before
use.
G18SH2, G18SR, G18U2, G18SRU, G23SF2,
G23SR, G23U2, G23SRU: Disc Grinder
Read all safety warnings and all instructions.
Always wear eye protection.
Only for EU countries
Do not dispose of electric tools together with
household waste material!
In observance of European Directive 2002/96/
EC on waste electrical and electronic equipment
and its implementation in accordance with
national law, electric tools that have reached
the end of their life must be collected separately
and returned to an environmentally compatible
recycling facility.
V Rated voltage
Alternating current
Power input
P
n
Rated speed
min Revolution or reciprocations per minute
-1
D Wheel outer diameter
d Wheel hole diameter
t Wheel thickness
Peripheral speed
Weight (Only main body)
kg
Switching ON
Switching OFF
Soft-start
Usual carbon brush
U
Auto-stop carbon brush
A
Disconnect mains plug from electrical outlet
Warning
Class II tool
STANDARD ACCESSORIES
In addition to the main unit (1 unit), the package
contains the accessories listed in the below.
○ Wrench .........................................................................1
○ Side handle ...................................................................1
○ Hexagonal bar wrench ..................................................1
Standard accessories are subject to change without notice.
APPLICATIONS
○ Removal of casting fi n and fi nishing of various types of
steel, bronze and aluminum materials and castings.
○ Grinding of welded sections or sections cut by means of
a cutting torch.
○ Grinding of synthetic resins, slate, brick, marble, etc.
○ Cutting of synthetic concrete, stone, brick, marble and
similar materials.
SPECIFICATIONS
The specifi cations of this machine are listed in the Table on
page 136.
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
MOUNTING AND OPERATION
Action
Fitting and adjusting the wheel guard
Fixing the side handle
Assembling depressed center wheel
Assembling cutting wheel
Assembling Diamond wheel
Switch operation
Grinding angle and grinding method
Replacing carbon brushes
Maintenance of the toolless wheel guard
Selecting accessories
MAINTENANCE AND INSPECTION
1. Inspecting the depressed center wheel
Ensure that the depressed center wheel is free of cracks
and surface defects.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws be
loose, retighten them immediately. Failure to do so could
result in serious hazard.
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