Troubleshooting The Jtas-12-Dx Table Saw; Mechanical Problems - Jet XACTA JTAS-12-DX Operating Instructions And Parts Manual

11.0 Troubleshooting the JTAS-12-DX Table Saw

11.1 Mechanical Problems

Symptom
Motor will not start.
Motor will not start:
fuses blow or circuit
breakers trip.
Blade will not come up
to speed.
Motor overheats.
Motor stalls, resulting
in blown fuses or
tripped circuit.
Loud, repetitive noise
coming from machine.
Saw vibrates
excessively.
Possible Cause
Saw disconnected from power
source.
Fuse blown or circuit breaker tripped.
Cord damaged.
Low voltage.
Open circuit in motor or loose
connection.
Short circuit in line cord or plug.
Short circuit or loose connections.
Incorrect fuses or circuit breakers in
power line.
Extension cord too light or too long.
Low voltage.
Motor overloaded.
Air circulation through motor
restricted.
Motor overloaded.
Short circuit in motor or loose
connections.
Low voltage.
Incorrect fuses or circuit breakers in
power line.
Pulley setscrews or keys are missing
or loose.
Motor fan is hitting cover.
V-belt is defective.
Cabinet on uneven floor.
Saw blade is damaged.
Loose hardware.
Pulley bent.
Improper motor mounting.
V-belt is defective.
Correction
Check plug or hard-wired connections.
Replace fuse or reset circuit breaker.
Replace cord.
Check power line for proper voltage.
Contact local electric company.
Inspect incoming leads for loose or open
connections.
Inspect cord or plug for damaged
insulation and shorted wires.
Inspect all connections at junction box and
motor for loose or shorted terminals or
worn insulation.
Install correct fuses or circuit breakers.
Replace with adequate size electrical
cord.
Check power line for proper voltage.
Contact local electric company.
Reduce load on motor.
Clean motor fan with compressed air to
restore normal air circulation.
Reduce load on motor.
Inspect connections on motor for loose or
shorted terminals or worn insulation.
Correct the low voltage conditions.
Install correct fuses or circuit breakers.
Inspect keys and setscrews. Replace or
tighten if necessary.
Tighten fan or shim cover.
Replace V-belt.
Reposition on flat, level surface.
Replace blade.
Tighten hardware.
Inspect and replace pulley.
Check and adjust motor, tighten bolt(s).
Replace V-belt.
Table 2
17