Southbend Gearhead w/ Dro SB10146PF - Manual (Page 92)

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For Machines Mfg. Since 3/11 Turn-Nado ® Gearhead Lathes TROUBLESHOOTING
Gear change levers
will not shift into
position. 1. Gears not aligned inside headstock. 1. Rotate spindle by hand with light pressure on the
lever until gear falls into place.
Spindle clutch
takes more than
3–4 seconds to
engage. 1. Spindle clutch mechanism is too
loose. 1. Adjust spindle clutch (see Page 81).
Difficulty engaging
spindle lever. 1. (When new) Spindle clutch needs
break-in time. 1. Use moderate pressure to engage spindle lever until
it is broken-in.
2. Spindle clutch is too tight. 2. Adjust spindle clutch (see Page 81).
Carriage will not
feed or is hard to
move. 1. Gears are not all engaged. 1. Adjust gear levers.
2. Carriage lock is tightened down. 2. Check to make sure the carriage lock bolt is fully
released.
3. Loose screw on the feed handle. 3. Tighten.
4. Chips have loaded up on bedways. 4. Frequently clean away chips that load up during
turning operations.
5. Bedways are dry and in need of
lubrication. 5. Lubricate bedways and handles.
6. Micrometer stop is interfering. 6. Check micrometer stop position and adjust it as
necessary (see Page 52).
7. Gibs are too tight. 7. Loosen gib screw(s) slightly (see Page 78).
8. Gears or shear pin broken. 8. Replace gears or shear pin (see Page 84).
Symptom Possible Cause Possible Solution
Workpiece is
tapered. 1. Spindle and tailstock centerlines
are not properly aligned with each
other. 1. Realign the tailstock to the headstock spindle bore
centerline (see Page 45).
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.