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12
CHANGING GRINDING WHEELS
CAUTION: DISCONNECT MACHINE FROM
POWER SOURCE BEFORE CHANGING
GRINDING WHEELS.
1. When changing wheels, remove the three screws (A)
Fig. 20, attaching the side covers to the grinder and
remove the side cover (B).
2. To prevent shaft rotation, place a wedge between
the grinding wheel (C) Fig. 21, and the tool rest (D).
NOTE: Facing the front of the grinder: to replace the
wheel on the left side of the grinder, turn the arbor nut
(E) Fig. 21, clockwise to loosen; counterclockwise to
tighten the arbor nut.
3. To replace the grinding wheel on the right, turn the
arbor nut (E), counterclockwise to loosen; clockwise to
tighten the arbor nut.
4. The arbor bushing should be saved, for future use, if
the replacement wheel does not use the bushing.
WARNING: DO NOT OVERTIGHTEN WHEEL NUTS
WHEN INSTALLING GRINDING WHEELS. TIGHTEN
WHEEL NUT ENOUGH TO DRIVE THE WHEEL AND
PREVENT SLIPPAGE, (APPROXIMATELY 5-7 ft/lbs).
DUST PORT
There is one dust port located on the rear of each
grinding wheel cover; this dust port enables the user to
attach a dust collection system to the grinder. Fig. 22.
Fig. 20
A
B
Fig. 21
E
C
D
Fig. 22