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8
ASSEMBLY AND OPERATION
APPLICATIONS
⅜
Removal of casting fin and finishing of various type
of steel, bronze and aluminum materials and
castings.
⅜
Grinding of welded sections or sections cut by
means of an acetylene torch.
⅜
Grinding of synthetic resins, slate, brick, marble.
WARNING:
To avoid the risk of serious injury, NEVER use this
grinder with cup 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
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 only loosely accepts the plug, the
receptacle must be repaired. Contact a licensed
electrician to make appropriate repairs.
If such a fautly receptacle is used, it may cause
overheating, resulting in a serious hazard.
5. Check your work environment
Ensure the following before operation;
⅜
No flammable gas, liquid, or object at
worksite.
⅜
When grinding thin steel sheet it may cause
a high booming noise.
To avoid such noise, place a rubber mat under
the workpiece.
⅜
Clear the area of children or unauthorized
personnel.
6. Mounting the wheel guard
Be sure to mount the wheel guard at an angle that
will protect the operator’s body from injury by a
broken wheel piece.
[Installing Wheel Guard]
⅜
Slightly loosen the screw on the wheel guard.
⅜
Install the wheel guard to the packing gland,
turn it to the angle suitable for operation, and
make adjustment.
⅜
After the adjustment, ensure that the screw
is securely tightened on the wheel guard in
order to fix it completely.
Fig. 2
WARNING:
If the wheel guard is not attached properly, a
broken wheel may result in and cause death or
serious injury.
7. Thoroughly check that the depressed center wheel
is free of cracks, splits and other abnomalities
before mounting. Make sure it is firmly clamped
and has been properly mounted. Refer to page 9
of this manual for Depressed Center Wheel
Assembly and Disassembly
8. Test the grinder before using.
Before actually beginning the grinding work, test
the grinder by first clearing the area of all other
personnel. Make sure the wheel guard is in place
and that you are wearing eye protection. Turn the
grinder “on”, and make sure the grinder runs
smoothly and shows no abnormalities.
Duration of the trial run is as follows:
When depressed center wheel is replaced
.......................................... 3 minutes or more
When starting daily work
............................................1 minute or more
Wheel guard
Packing gland