Darex XT-3000A - Manual (Page 26)

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Symptom
Using ON/OFF switch does not work
Machine won’t power up
Cause
• No power at outlet
• Make sure power cord is plugged in to
machine and outlet
• Release e-stop (230v machine only)
• E-stop nut is loose and stuck down in the
off position (230v machine only)
• On/off switch needs to be replaced
• Wiring lead disconnected
Symptom
Tip of drills burn or discolor
Cause
• Wheel needs to be cleaned
• Material take off too aggressive
• Wheel needs to be replaced
• Grinding wheel obstructed and can’t rotate
• Grinding motor bad
Symptom
Unable to secure drill in or release drill
from chuck
Cause
• Tapered shank drill
• The drill may have a slight taper to the
body
• Shank of drill larger than body
• Drill has multiple diameters that are
interfering with jaws
• Incorrect drill diameter for that particular
chuck
• Drill flutes are damaged or have burrs
• Chuck needs to be cleaned
Symptom
Drill incorrectly split
Cause
• Check settings on the split point fixture
• Did not align correctly
• Point Split Tube calibration is off
Symptom
Material take off varies
Cause
• Wheel not secure to motor hub
• Wheel calibration is off after new wheel
change
• Cam dog not properly seated in alignment
slot during alignment set up
• Drill is pushing back in the chuck during
grinding
• Operator is not sparking drill out
Symptom
No material take off during grinding
Cause
• Drill loose in chuck
• Drill tip not touching the pusher shaft cap
during alignment process
Symptom
Length of time drill is in the grind becomes
excessive
Cause
• Material take off too excessive
• Grinding wheel needs to be cleaned
• Grinding wheel needs to be replaced
Symptom
Lip height concentricity is out of tolerance
Cause
• Material take off too excessive
• Chuck needs to be cleaned
• Sharpening tube needs to be cleaned
• Chuck is worn out and needs to be
replaced
• Sharpening tube is worn and needs to be
replaced
• Wheel is not running true
Trouble Shooting XT-3000 Drill Sharpening