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Model M1099 (Mfg Since 8/07)
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!
Motor & Gearbox
SYMPTOM
Motor will not
1. Main power panel switch is OFF.
start.
2. Emergency switch is pushed in.
3. Circuit breaker or fuse has tripped.
4. No voltage or open connection.
5. Capacitor is at fault.
6. Motor direction switch is at fault.
7. Power switch or magnetic contactor is at
fault.
8. Motor is at fault.
Fuses or circuit
1. Short circuit in line cord or plug.
breakers trip
open.
2. Short circuit in motor or loose connections.
3. Incorrect fuses or circuit breakers in power
supply.
Machine is
1. Excessive depth of cut.
loud, belt slips
2. RPM or feed rate wrong for operation.
3. Dull cutters.
when cutting.
Overheats or
4. Belt is slipping.
bogs down in the
cut.
5. Belt is at fault.
Gear change
1. Gears not aligned in headstock.
levers will not
shift into posi-
tion.
Loud, repetitious
1. Pulley set screws or keys are missing or
noise.
loose.
2. Motor fan is hitting the cover.
Motor is loud
1. Excessive depth of cut or feed rate.
when cutting.
2. RPM or feed rate wrong for cutting
Overheats or
operation.
bogs down in the
3. Cutting tool is dull.
cut.
Levers will not
1. Gears not aligned in headstock.
shift.
SERVICE
Troubleshooting
POSSIBLE CAUSE
-35-
CORRECTIVE ACTION
1. Turn the main power panel switch ON.
2. Rotate emergency switch so it pops out.
3. Seek an electrician to troubleshoot and repair the
shop power supply.
4. Test circuit, replace wires and connections as
required.
5. Replace capacitor.
6. Replace switch.
7. Replace power switch or magnetic contactor.
8. Replace motor.
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. Decrease depth of cut.
2. Refer to RPM feed rate chart for appropriate
rates.
3. Sharpen or replace cutters.
4. Remove grease or oil on belt or pulleys/tighten
belt tensioner against low range belt.
5. Replace belt.
1. Rotate spindle by hand until gear falls into place.
1. Inspect keys and set screws. Replace or tighten if
necessary.
2. Replace fan and cover.
1. Decrease depth of cut or feed rate.
2. Refer to RPM feed rate chart for appropriate
rates.
3. Sharpen or replace the cutting tool.
1. Rotate spindle by hand until gear falls into place.
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