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Cross slide, top
1. Ways loaded with
slide, or carriage
shavings, dust, or grime.
feed has sloppy
2. The gibs are not
operation.
adjustable.
3. Handwheel loose or
excessive backlash.
4. Leadscrew mechanism
worn or out of adjustment.
Cross slide, top
1. Ways loaded with chips,
slide, or carriage
dust, or grime.
handwheel is
2. The gibs are too tight.
hard to move.
3. Backlash setting too tight.
4. Bedways are dry.
5. Half nut lever engaged.
Cutting tool
1. Tool holder not tight
or machine
enough.
components
2. Cutting tool sticks too far
vibrate
out of tool holder; lack of
excessively
support.
during cutting.
3. The gibs are not
adjustable.
4. Dull cutting tool.
5. Incorrect spindle speed or
feed rate.
Workpiece is
1. Headstock and tailstock
tapered.
not properly aligned.
Chuck jaws will
1. Chips lodged in jaws or
not move or do
scroll plate.
not move easily.
TROUBLESHOOTING
EN
1. Clean ways and lubricate them.
2. Contact a specialised service centre.
3. Tighten
handwheel backlash to a minimum.
4. Adjust leadscrew to remove end play.
1. Clean ways and lubricate them.
2. Loosen gibs slightly.
3. Slightly loosen backlash setting.
4. Lubricate bedways.
5. Disengage half nut lever for manual feeding.
1. Check for debris, clean, and retighten.
2. Re-install cutting tool so no more than 1/3 of
the total length is sticking out of tool holder.
3. Adjust gibs at aff ected component.
4. Replace or resharpen cutting tool.
5. Use the recommended spindle speed and
feed rate.
1. Re-align the tailstock to headstock spindle
centerline.
1. Remove jaws, clean and lubricate scroll plate,
then replace jaws.
131
handwheel
fasteners,
adjust
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