Safety opera tion maintenance setup – Harbor Freight Tools Central Machinery 5 Speed Bench Drill Press with Work Light 60238 User Manual
Page 9
Page 9
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Item 60238
Changing Drill Speed
Before changing the speeds, make sure the
machine is switched OFF and UNPLUGGED.
1. Open the pulley cover.
2. Loosen the Motor Tension Knob (10) on the
Headstock (42), and move the Motor (14) towards
the Headstock to relieve tension on the Belt (59).
Motor Tension
Knob (10)
Light Bulb (73)
Lamp
(34)
Figure F: Motor Tension Knob location
3. Consult the chart below and position
the Belt (59) on the Pulleys (16, 60)
according to the desired drill speed.
4. When the Belt has been correctly positioned, tighten
it by pushing the Motor away from the Headstock until
the belt deflects by approximately 1/2″ at its center
when using reasonable thumb pressure. Lock this
position in with the Motor Tension Knob (10).
Deflection
Distance
Figure G: Belt Deflection
Note: If either belt is too long to be properly
tensioned, it must be replaced.
760 RPM
Spindle Motor
1150 RPM
Spindle Motor
1630 RPM
Spindle Motor
2180 RPM
Spindle Motor
3070 RPM
Spindle Motor
Figure H: Drill Speed Table
The table above shows the belt arrangements for given drill speeds.
A full chart is also located on the inside of the pulley cover.
Light Bulb Installation
1.
To prevent injury, allow the old
Light Bulb (73) to cool completely first.
2. Remove the old Light Bulb (73) from the
Lamp (34) and dispose of it properly.
3. Install a new Light Bulb of the same type and rating.
(E14 base, 120V, 15W)
WARNING! TO PREVENT SERIOUS INJURY
FROM FIRE: Do not install a different style Light Bulb
or a Light Bulb with a higher wattage rating.
Drill Bit Installation
1. Insert the drill bit into the jaws of the Chuck
approximately 1″, ensuring that the jaws
do not touch the flutes of the drill bit.
2. Before tightening the Chuck, ensure that
the drill bit is centered within the jaws.
3. Tighten the Chuck securely with
the included Chuck Key.
SAFETY
OPERA
TION
MAINTENANCE
SETUP