Craftex CX617 - Troubleshooting

16
PROBLEM
POSSIBLE CAUSE
REMEDY
Spindle does
not turn.
1. Circuit breaker tripped.
2. Branch circuit breaker tripped or
fuse blown.
3. Open wire in switch circuit.
4. Defective switch.
5. Broken drive belt.
1. Reset circuit breaker.
2. Reset branch circuit breaker/replace
fuse.
3. Repair open circuit.
4. Repair switch.
5. Replace drive belt.
Spindle noisy.
1. Damaged spindle bearings.
2. Worn spindle.
1. Replace bearings.
2. Replace spindle.
Drill stalls.
1. Worn drive belt.
2. Excessive feed rate for size of
drill and material being drilled.
3. No cutting fluid or improper
cutting fluid.
1. Check condition of belt. Replace if
glazed or slipping on pulleys.
2. Reduce feed pressure or use cutting
fluid.
3. Use correct cutting fluid.
Poorly drilled
holes.
1. Drill dull.
2. Lack of rigidity in hold-down
method.
3. Speed too fast for material and
drill size.
4. Feed too fast for material and
drill size.
5. No or improper cutting fluid or
coolant being used.
6. Improperly ground drill bit.
1. Sharpen drill.
2. Check that all T-slot hold-downs are
tight and that table-lock and drill head
bolts are tight.
3. Check spindle speed
recommendations. Reduce speed if
necessary.
4. Reduce feed rate.
5. Use cutting fluid, or change to proper
fluid or coolant for material being
drilled.
6. Check for proper angles and reliefs.
Regrind to proper geometry.
Motor
overheating.
1. Electrical circuit fault.
2. Oversize drill.
3. Excessive feed.
4. No cutting fluid, or wrong fluid.
1. Check current draw in circuit. Make sure
current draw is the same as rating on
motor plate.
2. Reduce drill size.
3. Reduce feed rate.
4. Use correct cutting fluid for the
material and drill.
Table can not
be raised.
1. Lack of lubrication.
1. Lubricate.
No speed
readout.
1. Speed pickup out of adjustment or
failed.
1. Adjust gap between speed pickup and
post spindle pulley. If there is no
readout on the speed indicator, replace
the speed pickup.
TROUBLESHOOTING