Operation - Westinghouse PT20370 Instruction Manual

Prior to assembly and adjustment always unplug the tool.
Installing the Grinding Wheel
1. Depress and hold down the spindle lock. To prevent damage to spindle or spindle
lock, always allow motor to come to a complete stop before engaging spindle lock.
2. Remove the outer flange with spanner turning in anti-clockwisedirection. Do not
remove the inner flange.
3. Make sure the slot on theinner flange is engagedwith the square neck of the
spindle.
4. Place the grinding wheel over the spindle with the depressed center against the
inner flange(see Fig.3).
5. Depress and hold down the spindle lock again,mountthe outer flange and securely
tighten it with spanner provided clockwise.Do not overtighten it.
Mounting theAuxiliary
HandleThe tool has three screwed holes on top, left and right side of the gear housing.
Operators can choose any one of them to mount the auxiliary handle depending on
specific working condition and their ownhabit.
Adjusting the Wheel Guard
This tool comes with a wheel guard. The guard must be fitted before using the tool.Lift
the quick release guard lever to loosen the guard.
1. Pull the quick release lever toward outside so as to enlarge the circular collar of
wheel guard.
2. Align the protruding part inside the circular collar with the notch on the front cap.
Mount the collar fully onto the front cap.
3. If the collar is too small in circumference to be fitted in, the nut on the quick release
lever can be adjusted so as to enlarge the collar.
4. Turn the wheel guard to a desired angle after the collar is fully inserted.Pull back the
quick release lever to lock the guard with the front cap.
5. Make sure the guard is firmly secured in place. If the guard is still loose after pulling
back the quick release lever, pull up the lever, properly adjust the nut and pull back
the lever again.
This heavy duty grinder is designed for the following purposes:
1. Removal of casting burrs and finishing on various types of steel, bronze, aluminum
materials and castings.
2. Beveling and finishing weld seams
3. Grinding of welded sections cut by means of welding.
4. Grinding of synthetic resin bricks, marbles etc.
5. Cutting thin wall tubes and small size metal materials.
ASSEMBLY

OPERATION

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