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-24- Ultimate Series Jointers
TROUBLESHOOTING
SYMPTOM
Motor will not start.
Motor will not start; fuses or
circuit breakers blow.
Motor overheats.
Motor stalls (resulting in
blown fuses or tripped cir-
cuit).
Machine slows when oper-
ating.
Loud, repetitious noise com-
ing from machine
Machine is loud when cut-
ting. Overheats or bogs
down in the cut.
POSSIBLE CAUSE
1. Low voltage.
2. Open circuit in motor or loose
connections.
1. Short circuit in line cord or plug.
2. Short circuit in motor or loose
connections.
3. Incorrect fuses or circuit break-
ers in power line.
1. Motor overloaded.
2. Air circulation through the motor
restricted.
1. Short circuit in motor or loose
connections.
2. Low voltage.
3. Incorrect fuses or circuit break-
ers in power line.
4. Motor overloaded.
1. Feed rate too high.
2. Depth of cut too great.
1. Pulley set screws or keys are
missing or loose.
2. Motor fan is hitting the cover.
3. V-belt is defective.
1. Excessive depth of cut.
2. Knives are dull.
CORRECTIVE ACTION
1. Check power line for proper voltage.
2. Inspect all lead connections on motor for loose or open connec-
tions.
1. Inspect cord or plug for damaged insulation and shorted wires.
2. Inspect all connections on motor for loose or shorted terminals or
worn insulation.
3. Install correct fuses or circuit breakers.
1. Reduce load on motor.
2. Clean out motor to provide normal air circulation.
1. Inspect connections on motor for loose or shorted terminals or
worn insulation.
2 Correct the low voltage conditions.
3. Install correct fuses or circuit breakers.
4. Reduce load on motor.
1. Feed workpiece slower.
2. Reduce depth of cut.
1. Inspect keys and set screws. Replace or tighten if necessary.
2. Tighten fan or shim cover.
3. Replace V-belt. See Maintenance.
1. Decrease depth of cut.
2. Sharpen knives.
DO NOT make adjustments while the jointer
is running. Ensure that the switch is off,
power is disconnected and moving parts
have stopped before making adjustments.
Failure to comply may result in serious per-
sonal injury.