Jet J-1600R, Operating Instructions And Parts Manual

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Troubleshooting the J-1600R
Trouble Probable Cause Suggested Remedy
Spindle overloads,
causing relay to trip.
Drill bit too large. Turn off power, wait three minutes after
spindle stops turning, then push re-set on
the relay in the control box.
Correct initial problem by using shorter
drill bit or lower feed rate; consult
appropriate feed and speed rate tables.
Replace fuse if needed. Verify proper
voltage at power source.
Feed rate too fast.
Operation not in compliance with speed
and feed rate tables.
Fuse burned out.
Low voltage.
Spindle overloads,
causing fuse to blow.
Drill bit too large.
Replace fuse in control box.
Correct initial problem by using smaller
drill bit or lower feed rate; consult
appropriate feed and speed rate tables.
Feed rate too fast.
Operation not in compliance with speed
and feed rate tables.
Table 3
If drill bit gets broken in spindle:
1. Move arm/spindle control lever to neutral.
2. Press emergency stop button.
3. Push head/gearbox out of the way.
4. Pinch the end of broken bit with pliers.
5. Rotate counterclockwise and pull it out.
If screw tap gets broken in spindle:
1. Move arm/spindle control lever to neutral.
2. Press emergency stop button.
3. Using a thread releaser, rotate screw tap counterclockwise until it comes out.
If something becomes entangled during operation:
1. Press emergency stop button.
2. Disconnect
power.
3. Switch speed change lever to highest gear.
4. Rotate spindle by hand in reverse direction from that used during the operation, until the obstruction is free.