Jet 16-32 Plus Operating And Parts Manual page 24

Trouble
Conveyor rollers run
intermittently.
Sander burns wood.
Conveyor belt slips
on drive roller.
Board slips on
conveyor belt.
Sander motor slows
or stalls.
Ripples in sanded
surface.
A. Non-uniformly
spaced ripples.
B. Uniformly spaced
ripples.
Wood is gouged.
Table height
adjustment works
improperly.
Motor overload
protector trips or
shop wiring breaker
trips.
Probable Cause
Shaft coupling loose.
Abrasive strip is overlapped.
Abrasive is loaded.
Depth of cut excessive for fine grit.
Feed rate too slow.
Abrasive is worn.
Improper conveyor belt tension.
Excessive depth of cut and/or feed
rate.
Tension rollers too high.
Excessive feed rate.
Dirty or worn conveyor belt.
Improper conveyor belt tension.
Excessive depth of cut and/or
excessive feed rate.
A. Uneven feed rate.
B. Conveyor bed flexing or vibration.
Stock slipping on conveyor.
Work piece not properly supported.
Improper adjustment of height control.
Excessive load on sanding drum and
motor.
Too many tools on circuit.
Excessive length or inadequate size
extension cord.
Remedy
Align shaft flats of gear motor and
drive roller, and tighten shaft coupling
set screws.
Re-wrap abrasive strip (page 12-13)
Clean abrasive.
Use coarser grit or reduce depth of
cut.
Increase feed rate.
Replace abrasive.
Adjust belt tension (page 16).
Reduce depth of cut and/or feed rate.
Lower tension rollers (see page 19).
Reduce feed rate.
Replace conveyor belt.
Adjust belt tension. If necessary,
reduce depth of cut and/or feed rate.
Reduce depth of cut or feed rate.
Conveyor belt slipping (see above)
Board slips on conveyor belt (see
above).
Conveyor motor stalls (see above).
Reduce depth of cut and/or feed rate.
Check for loose bolts, loose shaft
coupling set screws, or out-of-balance
drum.
Correct depth of cut or roller tension.
Add work supports for long work
pieces.
Readjust height control. See pages
18-19.
Allow motor to cool and re-set
overload button.
Connect sander to a dedicated circuit.
Have a certified electrician correct
any shop wiring problem.
Use a shorter or heavier gauge
extension cord (see Figure 19).
24