Grizzly G0752 Lathe User Manual


 
Model G0602/G0752 (Mfg. Since 11/12)
-59-
Symptom Possible Cause Possible Solution
Workpiece is
tapered.
1. Headstock and tailstock are not properly
aligned with each other.
1. Re-align the tailstock to the headstock spindle
centerline (see Page 34).
Chuck jaws will
not move or do not
move easily.
1. Chips lodged in the jaws or scroll plate. 1. Remove jaws, clean and lubricate scroll plate and
jaws, then replace jaws.
Carriage will not
feed or is hard to
move.
1. Quick-change gears are not all engaged.
2. Half nut lever engaged.
3. Carriage lock is tightened down.
4. Chips have loaded up on bedways.
5. Bedways are dry and in need of lubrication.
6. Gibs are too tight.
7. Gears or shear pin broken.
1. Adjust gear dials.
2. Disengage half nut lever for manual feeding.
3. Check to make sure the carriage lock bolt is fully
released.
4. Frequently clean away chips that load up during
turning operations and re-lubricate.
5. Lubricate bedways/ball oilers.
6. Loosen gibs screw(s) slightly (see Page 61).
7. Replace gears or shear pin (see Page 62).
Quick-change gear
change dials will not
shift into position.
1. Gears not aligned inside headstock/quick
change gearbox.
1. Rotate spindle by hand with light pressure on the
dial until gear falls into place.