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APPLICATIONS
Finishing of dies for press working, die casting and
moulding.
Finishing of thread cutting dies, tools and other
small parts.
Internal grinding of tools and machine parts.
WARNING:
To avoid the risk of serious injury, NEVER use this
grinder with abrasive wheels, cut-off wheels and/
or saw blades.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized
conforms to the power source requirements
specified on the product nameplate.
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, the power tool will start
operating immediately and can cause serious injury.
3. Extension cord
When the work area is far away from the power
source, use an extension cord of sufficient thick-
ness and rated capacity. The extension cord should
be kept as short as practicable.
WARNING:
Damaged cord must be replaced or
repaired.
d
3/16''
D
(5mm)
1/2''
L
(13mm)
8
ASSEMBLY AND OPERATION
1/8''(3.175mm)
1/4''
5/16''
(6mm)
(8mm)
3/4''
3/4''
(20mm)
(20mm)
4. Check the receptacle
If the receptacle only loosely accepts the plug, the
receptacle must be repaired. Contact a licensed
electrician to make appropriate repairs.
If such a faulty receptacle is used, it may cause
overheating, resulting in a serious hazard.
5. Check the work site and surrounding area
Be sure that the work area has been thoroughly
checked and prepared to avoid any unsafe
conditions. Review the SAFETY section of this
manual.
6. Installing a wheel
WARNING:
USING A WRONG SIZED WHEEL CAN CAUSE
WHEEL BREAKAGE AND RESULTING SERIOUS
INJURY.
In order to avoid this hazard, refer to the following
illustration to determine the proper dimensions(s)
of your wheel. Some guidelines:
(a) Dimension should always be less than 1/2"
(13 mm). Longer lengths can result in excess
vibration, wheel breakage, and the chance for
serious injury.
(b) When dimension d is 1/4" (6.35 mm), the
diameter of the wheel (dimension D) should
be less than 1" (25 mm). NEVER use a longer
diameter wheel.
(c) When dimension d is 1/8" (3.175 mm), the
diameter of the wheel (dimension D) should
be less than 3/8" (10 mm).
(d) Dimension L varies according to the
dimension D. Dimension L can be longer as
dimension D increase. Refer to the following
table:
3/8''
1/2''
(10mm)
(13mm)
3/4''
1-1/2''
(20mm)
(38mm)
(When =1/2''(13mm))
1/4''(6.35mm)
5/8''
3/4''
(16mm)
(20mm)
1''
1''
(25mm)
(25mm)
1''
(25mm)
3/4''
(20mm)
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