Magnum Industrial MI-91703, Operating Manual

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T Troubleshooting
! WARNING
Disconnect the machine from power source before proceeding with any troubleshooting! Failure to
comply may cause serious injury!
Description of Symptoms Possible Cause Corrective Action
Machine will not start
1. Fuse blown or circuit
breaker tripped
2. Cord Damaged
3. Faulty switch
4. Not connected to power
source
5. Connected to wrong
voltage
6. Emergency stop button
pressed
1. Replace fuse or reset
circuit breaker
2. Have cord replaced
3. Replace switch
4. Check connection
5. Check voltage
6. Rotate emergency stop
button clockwise until it
pops out
Blade does not come up to
speed
1. Cable too light or too long
2. Low current
3. Circuit shared with other
equipment
4. Motor not wired for
correct voltage
1. Replace with adequate
size cable
2. Contact local electric
company
3. Provide a dedicated
circuit
4. Refer to motor nameplate
for correct voltage
Motor overheats
1. Motor overloaded
2. Air circulation through the
motor restricted 1. Reduce load on motor
2. Clean out fan and fan
cover
Machine slows when
operating 1. Feeding workpiece too
fast
1. Slow the feed speed
Does not make accurate
45° or 90° cuts
1. Stops not adjusted
correctly
2. Angle pointer not set
accurately
3. Miter gauge out of
adjustment
1. Check blade with
combination square and
adjust stops
2. Check blade with
combination square and
adjust pointer
3. Adjust miter gauge
Saw makes unsatisfactory
cuts
1. Dull blade
2. Blade mounted
backwards
3. Gum or pitch on blade
4. Incorrect blade for cut 1. Sharpen or replace blade
2. Turn blade around
3. Remove blade and clean
4. Change blade to correct
type
Saw vibrates excessively
1. Stand on uneven floor
2. Damaged saw blade
3. Bad V-belt
4. V-belt tension incorrect
5. Loose hardware
1. Reposition on flat, level
surface
2. Replace saw blade
3. Replace V-belt
4. Check and adjust v-belt
tension
5. Tighten hardware