Standard Accessories; Specifications; Maintenance And Inspection - Hitachi Koki G 10SD2 Handling Instructions Manual

7. The wheel continues to rotate after the tool is switched
off .
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.
G10SD2 / G12S2 / G13SD: 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
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
○ Depressed center wheel ...............................................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 134.
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
Switch operation
Grinding angle and grinding method
Replacing carbon brushes
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.
3. Inspecting the carbon brushes (Fig. 7)
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush can result in motor trouble, replace the carbon
brushes with new ones having the same carbon brush
No. ⓐ shown in the fi gure when it becomes worn to or
near the "wear limit" ⓑ. In addition, always keep carbon
brushes clean and ensue that they slide freely within the
brush holders.
4. Replacing carbon brushes (Fig. 7)
〈Disassembly〉
(1) Loosen the D4 tapping screw ⓒ retaining the tail cover
ⓓ and remove the tail cover.
5
English
Figure Page
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