Jet variable speed drill press - 20" - j-2221vs Guia Do Utilizador
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RPM Display
The spindle speed display shows the spindle RPM
selected by the speed control knob.
selected by the speed control knob.
Spindle Speed Knob
The SPINDLE SPEED knob is used to set the
desired spindle speed (clockwise increases).
desired spindle speed (clockwise increases).
Spindle Selector
The SPINDLE selector switch is used to set the
desired direction of spindle rotation. The REV.
(reverse) setting will provide counterclockwise
rotation. The FOR. setting will provide clockwise
rotation.
desired direction of spindle rotation. The REV.
(reverse) setting will provide counterclockwise
rotation. The FOR. setting will provide clockwise
rotation.
Drilling Speed Chart
A DRILLING SPEED CHART is provided on the
front panel. The chart can be used to select the
speed required for various drill sizes (0.196 inch to
1.000 inch — 5 mm to 25 mm) and materials (steel,
cast iron, aluminum, and copper). The chart
defines spindle speeds from 300 to 2000 RPM.
front panel. The chart can be used to select the
speed required for various drill sizes (0.196 inch to
1.000 inch — 5 mm to 25 mm) and materials (steel,
cast iron, aluminum, and copper). The chart
defines spindle speeds from 300 to 2000 RPM.
Depth Indicator — All Models
Refer to Figure 6.
Figure 6
A drilling depth indicator is provided on the front of
the drill head. The indicator can be set for depths
up to 6.5 inches (16.5 mm). A knurled knob is
provided at the front, underside of the head. Before
starting the motor, set the end of the drill against
the surface into which the hole is to be drilled. The
indicator is zeroed out using the knurled knob. The
motor is started and the hole drilled until the
indicator pointer reaches the desired depth.
the drill head. The indicator can be set for depths
up to 6.5 inches (16.5 mm). A knurled knob is
provided at the front, underside of the head. Before
starting the motor, set the end of the drill against
the surface into which the hole is to be drilled. The
indicator is zeroed out using the knurled knob. The
motor is started and the hole drilled until the
indicator pointer reaches the desired depth.
Maintenance
Replacement of Drive Belt
Make sure to disconnect
electrical power to the drill press to avoid the
possibility of inadvertent operation and
exposure to potentially lethal voltage levels.
possibility of inadvertent operation and
exposure to potentially lethal voltage levels.
Manual Speed Control (Models J-2221VS and J-
2223VS)
2223VS)
1. Start drill press. Set speed control to highest
speed. Stop drill press.
2. Disconnect electrical power by setting drill
press circuit breaker to OFF.
3. Remove head cover.
4. Remove belt. (With speed control setting at the
highest speed, the belt should be loose
enough to remove.)
enough to remove.)
5. Install the replacement belt. Install the head
cover.
6. Set the drill press circuit breaker ON.
7. Operate the drill press to verify correct
operation.
Inverter Speed Control (Models J-2232AC and J-
2234AC)
2234AC)
1. Disconnect electrical power by setting drill
press circuit breaker to OFF.
2. Remove pan screws from small cover (around
column). Remove pan screws and eight bolts
from head cover.
from head cover.
3. Loosen set screw and remove shift lever.
4. Remove plastic spindle cup.
5. Remove head cover. Leave small cover in
place.
6. Disconnect electrical wiring from motor
junction box. Remove motor from mounting
plate.
plate.
7. Remove motor mounting plate.
8. Remove three screws from pulley covers
(discs). Remove used belt. Install the
replacement belt.
replacement belt.
9. Install pulley covers and secure with three
screws in each pulley cover.
10. Install motor mounting plate. Install motor and
connect electrical wiring (refer to Wiring
Diagram section for wiring details).
Diagram section for wiring details).
11. Install the head cover and secure with pan
screws and eight bolts.