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12.0 Troubleshooting
Symptom
Lathe unplugged from wall, or motor.
Fuse blown, or circuit breaker tripped.
Lathe will not start.
Cord damaged.
Chuck guard not closed.
Pulley cover removed
Extension cord too light or too long.
Lathe does not come up
to speed.
Low current.
Base on uneven surface.
Lathe not bolted to the floor
Unbalanced workpiece
Workpiece deflection
Lathe vibrates
excessively.
Tool deflection
Slide backlash
Slides running dry
Dull tool tip
Chip load too high
Dry change gear hubs.
Noisy operation
Dry change gears
Cutting speed too high
Dull tool tip.
Tool tip burns
Dry cutting.
Feeding too slowly.
Tailstock alignment is offset.
Machine turns a taper.
Machine bed is twisted.
Workpiece deflection.
Drill chuck or arbor
Dirt, grease, etc. on arbor, chuck, or
does not stay in place.
tailstock quill
* WARNING: Some corrections may require a qualified electrician.
13.0 Environmental Protection
Protect the environment.
Dispose all packaging material in an environmental friendly manner.
Dispose coolant in an environmentally friendly manner.
Your appliance contains valuable materials which can be recovered or recycled. Please leave it at a specialized institution.
14.0 Available Accessories
Refer to the JET price list.
Possible Cause
Correction *
Check all plug connections.
Replace fuse, or reset circuit breaker.
Replace cord.
Close chuck guard.
Install pulley cover
Replace with adequate size and length cord.
Contact a qualified electrician.
Locate lathe on even floor.
Bolt machine to the floor
Reduce speed
Improve chucking length or diameter, support on
tailstock end
Reduce tool length
Adjust slides
Lubricate with oil
Re‐sharpen or change tool
Reduce depth of cut or feed
Lubricate with oil.
Lubricate with grease.
Reduce spindle speed
Re‐sharpen or change tool
Use coolant.
Increase feed rate.
Align tailstock position.
Stand supporting surface must be flat. Shim if
needed
Reduce depth of cut or feed
Clean all mating surfaces thoroughly with a
cleaner‐degreaser.
Table 1
19
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