Table of Contents
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SECTION 7: SERVICE
Review the troubleshooting procedures in this section if a problem develops with your machine. If you need
replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the
serial number and manufacture date of your machine before calling.
Symptom
Motor will not start.
Feed handle tapping button does not
work.
Control panel FORWARD and
REVERSE buttons do not work.
Poor surface finishes.
Vibration when running or cutting.
Headstock hard to raise.
-30-
Troubleshooting
Possible Cause
1. Emergency stop button is pressed.
2. Chip guard switch at fault.
3. Main power switch at fault.
4. Blown power supply fuse.
5. Blown inverter fuse.
6. Shorted capacitor.
7. Shorted transformer.
8. Open circuit in motor or loose
connections.
1. Machine is not in "Tapping Mode."
2. Tapping button slip ring switch is at
fault.
3. General electrical problem.
1. Machine is not in "Mill/Drill Mode."
2. General electrical problem.
1. Feed rate too fast.
2. Dull cutter.
3. Lock not tightened down.
4. Gibs loose.
1. Feed rate too high.
2. Loose table.
3. Loose gibs.
1. Headstock lock or gib is at fault.
2. Headstock leadscrew is binding.
Possible Solution
1. Reset switch or replace bad switch.
2. Fully close chip guard, or replace bad
switch (Page 35).
3. Turn dial on, or replace bad switch
(Page 34).
4. Repair short and replace 20A fuse
(Page 34).
5. Repair short and replace 15A fuse
(Page 34).
6. Replace both capacitors (Page 34).
7. Replace transformer (Page 36).
8. Inspect circuit boards, wiring
connections, plugs, and repair/replace
as required (Page 34).
1. Press the START and then the
TAPPING buttons (Page 23).
2. Replace tapping button slip ring switch
(Page 35).
3. Inspect circuit boards, wiring
connections, plugs, and repair/replace
as required (Page 34).
1. Press the STOP and then the START
buttons (Page 23).
2. Inspect circuit boards, wiring
connections, plugs, and repair/replace
as required (Page 34).
1. Slow feed rate.
2. Always use newly sharpened cutters.
3. Tighten column and table locks when
possible to maintain rigidity.
4. Adjust gib (Page 31).
1. Slow feed rate or adjust RPM.
2. Tighten table locks.
3. Adjust gib (Page 31).
1. Loosen/replace lock lever and adjust
gib (Page 31).
2. Clean and relubricate headstock
leadscrew and gears (Page 32).
Model G0619 (Mfd. Since 7/18)
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