Jet J-2221VS Operating Instructions And Parts Manual

Also see for J-2221VS: Operating instructions and parts manual Operating instructions and parts manual

11Emergency Stop Pushbutton SwitchThe mushroom shaped EMG. STOP pushbuttonswitch provides a quick means of stopping thedrive motor. To reset the pushbutton switch, theknob is turned clockwise (as shown on the faceof the knob).RPM DisplayThe spindle speed display shows the spindleRPM selected by the speed control knob.Spindle Speed KnobThe SPINDLE SPEED knob is used to set thedesired spindle speed (clockwise increases).Spindle SelectorThe SPINDLE selector switch is used to set thedesired direction of spindle rotation. The REV.(reverse) setting will provide counterclockwiserotation. The FOR. setting will provide clockwiserotation.Drilling Speed ChartA DRILLING SPEED CHART is provided on thefront panel. The chart can be used to select thespeed required for various drill sizes (0.196 inchto 1.000 inch — 5 mm to 25 mm) and materials(steel, cast iron, aluminum, and copper). Thechart defines spindle speeds from 300 to 2000RPM.Depth Indicator — All ModelsRefer to Figure 6.Figure 6A drilling depth indicator is provided on the frontof the drill head. The indicator can be set fordepths up to 6.5 inches (16.5 mm). A knurledknob is provided at the front, underside of thehead. Before starting the motor, set the end ofthe drill against the surface into which the hole isto be drilled. The indicator is zeroed out usingthe knurled knob. The motor is started and thehole drilled until the indicator pointer reaches thedesired depth.MaintenanceReplacement of Drive BeltMake sure to disconnectelectrical power to the drill press to avoid thepossibility of inadvertent operation andexposure to potentially lethal voltage levels.Manual Speed Control (Models J-2221VS andJ-2223VS)1. Start drill press. Set speed control to highestspeed. Stop drill press.2. Disconnect electrical power by setting drillpress circuit breaker to OFF.3. Remove head cover.4. Remove belt. (With speed control setting atthe highest speed, the belt should be looseenough to remove.)5. Install the replacement belt. Install the headcover.6. Set the drill press circuit breaker ON.7. Operate the drill press to verify correctoperation.Inverter Speed Control (Models J-2232AC andJ-2234AC)1. Disconnect electrical power by setting drillpress circuit breaker to OFF.2. Remove pan screws from small cover(around column). Remove pan screws andeight bolts from head cover.3. Loosen set screw and remove shift lever.4. Remove plastic spindle cup.5. Remove head cover. Leave small cover inplace.6. Disconnect electrical wiring from motorjunction box. Remove motor from mountingplate.7. Remove motor mounting plate.8. Remove three screws from pulley covers(discs). Remove used belt. Install thereplacement belt.