Model G0746/G0749 (Mfg. Since 3/13)
-77-
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 42).
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, then
replace jaws.
Carriage will not
feed or is hard to
move.
1. gears are not all engaged.
2. half nut lever engaged.
3. Feed lever not engaged.
4. leadscrew feed rod selection lever is up.
5. Carriage lock is tightened down.
6. Chips have loaded up on bedways.
7. Bedways are dry and in need of lubrication.
8. gibs are too tight.
9. gears broken.
1. adjust quick change gear levers and dial.
2. disengage half nut lever.
3. Engage feed lever.
4. place lever in down position.
5. Check to make sure the carriage lock bolt is fully
released.
6. Frequently clean away chips that load up during
turning operations.
7. lubricate bedways/ball oilers.
8. loosen gibs slightly (see
page 79).
9. replace gears.
gear change levers
will not shift into
position.
1. gears not aligned inside headstock/Quick-
Change gearbox.
1. rotate spindle by hand with light pressure on the
lever until gear falls into place.