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H2669 Hobby Lathe
-19-
Review the troubleshooting tips and procedures in this section to fix your machine if a problem develops. If
you need replacement parts or are unsure of your repair skills, feel free to call our Technical Support staff
at (570) 546-9663 for assistance.
SECTION 6: SERVICE
Troubleshooting
SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION
Vibration noise while
machine is running; noise
changes when speed is
changed.
1. The rotating drill chuck is contacting
the headstock assembly.
2. The drill is damaged.
1. Remove drill from headstock. Reposition drill cor
-
rectly in headstock and tighten.
2. Remove drill from headstock. Restart the drill. If the
vibration noise continues, the drill may be damaged.
Vibration noise is constant
while machine is running at
different speeds.
1. The lathe bed mounting screws are
loose.
1. Tighten mounting screws. If a through mount has not
been used, consider remounting as shown on Page
10.
Extreme vibration. 1. Lathe bed `mounted on an uneven
surface.
2. Workpiece mounted incorrectly.
3. Workpiece warped, out of round, or
is flawed.
4. Workpiece is brushing against the
lathe bed.
5. The tailstock live center bearing is
worn.
1. Mount on an even work surface.
2. Remount workpiece, making sure that centers are
embedded in true center of workpiece.
3. Do not use the workpiece; balance workpiece by
turning down unbalanced areas.
4. Unplug the drill from power and hand turn the piece
one full rotation. If the workpiece hits the bed, it
exceeds the maximum swing depth and it cannot be
turned without modification.
5. These bearings are sealed in the live center assem
-
bly. Replace live center assembly.
Chisels grab or dig into
workpiece.
1. Toolrest set too low or too far from
the workpiece.
2. Wrong chisel/tool being used.
3. Chisel/tool dull.
1. Read instructions on toolrest positioning on Page 1
5,
then re-adjust toolrest.
2. Use the correct chisel/tool; educate yourself by read
-
ing books, trade magazines, or seeking help from an
experienced lathe operator.
3. Sharpen or replace the chisel/tool you are using.
Bad surface on workpiece
after turning.
1. Wrong drill speed.
2. Dull chisel or wrong chisel used.
1. Use trial-and-error to find a better drill speed.
2. Sharpen chisel or try a different chisel.
Turning results vary along
length of workpiece.
1. Headstock and tailstock are not in
alignment.
1. To check alignment, move the tailstock forward until
the tip of the live center touches the spur center. The
point of contact should be the center of each.
Tailstock moves. 1. Tailstock mounting bolt is loose.
2. Workpiece is too tight in tailstock.
3. Excess lubricant on lathe bed.
1. Tighten the bolt.
2. Apply less clamping pressure with tailstock.
3. Remove excess with a clean rag.