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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.
Use only with mandrel mounted abrasive stones.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power source requirements specifi ed 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 suffi cient thickness
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)
10
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 ℓ 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 larger 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.
Refer to the following table:
(e) The maximum mandrel length is 30 mm.
3/8"
1/2"
(10mm)
(13mm)
3/4"
1-1/2"
(20mm)
(38mm)
(When ℓ =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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