Baileigh Industrial DP-1375VS-110, Operator'S Manual

Page: 46 / 48

44
44
TROUBLESHOOTING
Fault Probable Cause Remedy
Spindle does not turn.
Motor overload protector
tripped. Press motor overload reset
button.
Circuit breaker tripped. Reset circuit breaker.
Branch circuit breaker tripped or
fuse blown. Reset branch circuit
breaker/replace fuse.
Open wire in switch circuit. Repair open circuit.
Defective switch. Replace switch.
Broken drive belt. Replace drive belt.
Spindle noisy.
Damaged spindle bearings. Replace bearings.
Worn spline. Replace spline.
Drill stalls.
Worn drive belt.
Check condition of belt. Replace
if glazed or slipping on pulleys.
Excessive feed rate for size of
drill and material being drilled.
No cutting fluid or improper
cutting fluid.
Reduce feed pressure or use
cutting fluid. Use correct cutting
fluid.
Poorly drilled holes.
Drill dull. Sharpen drill.
Lack of rigidity in hold-down
method.
Check that all T-slot hold-downs
are tight and that table-lock and
drill head bolts are tight.
Speed too fast for material and
drill size.
Check spindle speed
recommendations. Reduce
speed if necessary.
Feed too fast for material and
drill size.
Reduce feed rate.
No or improper cutting fluid or
coolant being used.
Use cutting fluid, or change to
proper fluid or coolant for
material being drilled.
Improperly ground drill bit.
Check for proper angles and
reliefs. Regrind to proper
geometry.
Motor overheating. Electrical circuit fault.
Check current draw in circuit.
Make sure current draw is the
same as rating on motor plate.
WARNING:
Make sure the electrical disconnect is OFF before working on
the machine.