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Troubleshooting Guide
Power Feed Problems
4
4-4
HDSdoc041118
Troubleshooting Guide
4.3
Power Feed Problems
PROBLEM
CAUSE
SOLUTION
Power Feed Is Jerky At Low
Speeds Or Does Not Move
Until Speed Is Above Halfway
Mark.
Drum switch is dirty.
Clean drum switch and lubricate
with contact grease supplied by
Wood-Mizer.
Drum switch contacts are bad
Check that contacts are in good
condition and positively close
circuit.
Speed swotch is worn.
Replace the speed switch.
Speed switch is blocked.
Turn off the power for 20
seconds and turn it back on.
Power Feed Is Jerky, But
Power Feed Motor Runs
Properly At All Speeds.
Problem is mechanical.
Refer to the Mechanical Test.
Power Feed Is Sluggish, Trips
Circuit Breaker Or Current
Limit.
Sawdust buildup in power
feed cover.
Remove power feed belt cover
and remove sawdust.