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Fig. 14
STARTING AND
STOPPING GRINDER
The switch (A) Fig. 14, is located on the front of the
grinder. To turn the grinder “ON” push the left hand
portion of the switch and to turn the grinder “OFF” push
the right hand portion of the switch.
DRESSING A
GRINDING WHEEL
When dressing a grinding wheel use a suitable silicon
carbide stick type dresser, as shown in Fig. 15. Bring the
dresser forward on the tool rest until it just touches the
high point of the face of the wheel and dress the wheel
by moving the dresser back and forth. Repeat this
operation until the face of the wheel is clean and the
corners of the wheel are square.
Fig. 15
Fig. 13
FLEXIBLE LAMP
The flexible lamp operates independently of the grinder.
To turn the lamp on and off, rotate switch (A) Fig. 13.
WARNING: To reduce the risk of fire, use 40 watt or
less, 120 volt, reflector track type light bulb (not
supplied). A standard household light bulb should not be
used. The reflector track type light bulb should not
extend below the lamp shade.
GRINDING WHEELS
WARNING: THE USE OF ACCESSORIES AND ATTACHMENTS NOT RECOMMENDED BY DELTA MAY RESULT
IN RISK OF INJURIES. Grinding wheels used with this grinder should be rated for 3600 RPM or higher and be 6" in
diameter with a 1/2" arbor hole.
Two aluminum oxide grinding wheels are supplied with your grinder; one 36 grit and one 60 grit. For best grinding
results, and to maintain good balance, always keep the wheels properly dressed. Do not force the work against a cold
wheel. The grinding wheel should always be run at idle speed for one full minute before applying work. It is
recommended that only balanced wheels be used with your grinder. The use of balanced wheels adds years to the life
of the bearings on the grinder and by eliminating the most common source of vibration, more accurate work is
accomplished.
CHANGING GRINDING
WHEELS
CAUTION: DISCONNECT MACHINE FROM POWER
SOURCE BEFORE CHANGING GRINDING WHEELS.
1. When changing wheels, remove the screws
attaching the side covers to the grinder and remove the
side covers.
2. To prevent shaft rotation, place a wedge between the
grinding wheel and the tool rest. NOTE: Facing the front
of the grinder: to replace the wheel on the left side of the
grinder, turn the arbor nut clockwise to loosen;
counterclockwise to tighten the arbor nut.
STICK
DRESSER
SILICON
CARBIDE
GRINDING
WHEEL
TOOL
REST
3. To replace the grinding wheel on the right, turn the
arbor nut, 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.
A
A