Jet JWTS-10JF, Operating Instructions And Parts Manual

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30
Troubleshooting
Symptom Possible Cause Correction
Low voltage. Check power line for proper voltage. Motor will not start
Open circuit in motor or loose
connection. Inspect all lead connections on motor for
loose or open connections.
Short circuit in line cord or plug. Inspect cord or plug for damaged insulation
and shorted wires.
Short circuit in motor or loose
connections. Inspect all connections on motor for loose or
shorted terminals or worn insulation.
Motor will not start: fuses
or circuit breakers blow.
Incorrect fuses of circuit breakers in
power line. Install correct fuses or circuit breakers.
Motor overloaded. Reduce load on motor. Motor overheats.
Air circulation through the motor
restricted. Clean out motor to provide normal air
circulation.
Short circuit in motor or loose
connections. Inspect connections on motor for loose or
shorted terminals or worn insulation.
Low voltage. Correct the low voltage conditions.
Incorrect fuses of circuit breakers in
power line. Install correct fuses or circuit breakers.
Motor stalls resulting in
blown fuses or tripped
circuit.
Motor overloaded. Reduce load on motor.
Applying too much pressure to
workpiece. Feed workpiece slower. Machine slows when
operating.
Belts loose. Tighten belts.
Pulley setscrews or keys are missing
or loose. Inspect keys and setscrews. Replace or
tighten if necessary.
Motor fan is hitting the cover. Tighten fan or shim cover.
Loud, repetitious noise
coming from machine.
V-belt is defective. Replace V-belt.
Blade is warped. Replace saw blade.
Table top is not parallel to the blade. Adjust table parallel to the blade.
Blade is not square with
the miter slot or fence is
not square to the blade.
Fence is not parallel to the blade. Adjust fence parallel to the blade.
Front rail is bolted too low to the table. Raise the front rail. Fence hits the table top
when sliding on the table.
Rear rail is bolted too low on the table. Raise the rear rail.
90 degree stop bolt is out of
adjustment. Adjust the 90 degree stop bolt. Blade does not reach 90
degrees.
Pointer bracket is hitting before the
blade reaches 90 degrees. File down the right side of the pointer
bracket until the blade can reach 90
degrees.
Hole in insert is inadequate. File or mill the hole in the insert.
Table out of alignment. Align the table.
Blade hits insert at 45
degrees.
Blade position is incorrect. Adjust the blade position.
Blade will not go beneath
table surface. Table top is too low. Raise the table top with washers.
Hand wheel key is inserted too far. Remove the hand wheel and adjust the key.
Bullets are wedged. Remove the hand wheel and adjust the
bullets.
Hand wheels won't turn.
Roll pin or setscrew in worm gear is
contacting geared trunnion. Inspect the roll pins and setscrews in the
worm gear. Tighten if necessary.