Troubleshooting Jbg Series Bench Grinders; Replacement Parts - Jet JBG Series Operating Instructions And Parts Manual

11.0 Troubleshooting JBG Series Bench Grinders

Problem
Motor will not start
Motor will not start and
fuse or circuit breaker
opens
Motor fails to develop
full power
Motor overheats
Motor stalls or slows
Frequent fuse or circuit
breaker failure

12.0 Replacement Parts

Replacement parts are listed on the following pages. To order parts or reach our service department, call
1-800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and
Serial Number of your machine available when you call will allow us to serve you quickly and accurately.
Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from
JET.
Some parts are shown for reference only, and may not be available individually.
Probable Cause
Not plugged into receptacle
Switch not in the ON position
Motor cord cut or abraded
Plug on cord is faulty
Fuse or circuit breaker open
Motor faulty
Too many electrical machines
running on the same outlet
Incorrect fuse
Wheels cannot rotate because of
obstruction
Undersized extension cord
Short circuit
Low line voltage
Faulty motor or capacitor
Overload on motor
Poor ventilation for motor
Capacitor failure
Motor overload
Low line voltage
Loose wire connections
Faulty motor
Motor overload
Overload of electrical circuit
Incorrect fuse of circuit breaker
Table 3
Remedy
Plug it into the power source receptacle
Turn the switch to the ON position
Replace with a new cord
Replace with a new plug
Re-set, may be too many machines on line
Call JET Customer Service Department
Turn off other machines and try again
Try time delay fuse, or go to circuit with
higher rated fuse of circuit breaker
Unplug and turn grinding wheel by hand
Use correct size extension cord; see
manual
Cord, plug, or motor need repair; call JET
Customer Service Dept.
Check power line for proper voltage
Call JET Customer Service Dept.
Reduce load to motor; do not press so hard
Unplug and clean out around motor;
provide better air circulation
Call JET Customer Service Dept.
Reduce load to motor; do not press so hard
Check power line for proper voltage
Call JET Customer Service Dept.
Call JET Customer Service Dept.
Reduce load to motor; do not press so hard
Too many electrical appliances on same
circuit
Have electrician upgrade service to outlet
13