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ST1001 6" Jointer
SERVICE
Motor
Troubleshooting
This section covers the most common problems and corrections with this type of machine.
WARNING! DO NOT make any adjustments until power is disconnected and moving parts
have come to a complete stop!
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Motor will not start.
1. Circuit breaker tripped.
2. Low voltage.
3. Open circuit in motor, damaged cord,
or loose connections.
1. Reset the circuit breaker.
2. Check power line for proper voltage.
3. Inspect the cord and all lead connections on motor, and fix as
necessary.
Fuses or circuit break-
ers blow.
1. Short circuit in line cord or plug.
1. Repair or replace cord or plug for damaged insulation and
shorted wires.
Motor overheats.
1. Motor overloaded during operation.
2. Air circulation through the motor
restricted.
1. Reduce load on motor; take lighter cuts.
2. Clean out motor to provide normal air circulation.
Motor stalls or shuts
off during a cut.
1. Motor overloaded during operation.
2. Circuit breaker tripped.
3. Short circuit in motor or loose connec-
tions.
1. Reduce load on motor; take lighter cuts.
2. Reset the circuit breaker; if breaker trips frequently, do not run
more than one machine on the circuit at one time (dedicated
circuit), or have the circuit inspected by a qualified electrician.
3. Repair or replace connections on motor for loose or shorted
terminals or worn insulation.
Blade slows when cut-
ting or makes a squeal-
ing noise, especially on
start-up.
1. V-belt loose.
2. V-belt worn out.
1. Tighten V-belt.
2. Replace V-belt.
Loud repetitious noise
coming from machine.
1. Pulley setscrews or keys are missing or
loose.
2. Motor fan is hitting the cover.
3. V-belt is damaged.
1. Inspect keys and setscrews. Replace or tighten if necessary.
2. Adjust fan cover mounting position, tighten fan, or shim fan
cover.
3. Replace V-belt.
Vibration when run-
ning or cutting.
1. Loose or damaged blade.
2. Damaged V-belt.
3. Worn cutterhead bearings.
1. Tighten or replace blade.
2. Replace.
3. Check/replace cutterhead bearings.
Summary of Contents for ST1001
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Page 36: ...34 ST1001 6 Jointer ST1001 Wiring Diagram...
Page 37: ...ST1001 6 Jointer 35 Jointer Breakdown...
Page 39: ...ST1001 6 Jointer 37 Fence Breakdown...
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