Jet Tools JBG-6A operating instructions Troubleshooting, Problem Probable Cause Remedy

Page 14

Troubleshooting

Problem

Probable Cause

Remedy

 

 

 

 

Not plugged into receptacle

Plug it into the power source receptacle

 

 

 

 

Switch not in the ON position

Turn the switch to the ON position

 

 

 

 

Motor cord cut or abraded

Replace with a new cord

Motor will not start

 

 

Plug on cord is faulty

Replace with a new plug

 

 

 

 

 

Fuse or circuit breaker open

Re-set, may be too many machines on line

 

 

 

 

Motor faulty

Call WMH Tool Group Customer Service

 

 

Department

 

 

 

 

Too many electrical machines

Turn off other machines and try again

 

running on the same outlet

 

 

 

 

 

Incorrect fuse

Try time delay fuse, or go to circuit with

 

 

higher rated fuse of circuit breaker

Motor will not start and

 

 

Wheels cannot rotate because of

Unplug and turn grinding wheel by hand

fuse or circuit breaker

opens

obstruction

 

 

 

 

Undersized extension cord

Use correct size extension cord; see

 

 

manual

 

 

 

 

Short circuit

Cord, plug, or motor need repair; call WMH

 

 

Tool Group Customer Service Department

 

 

 

Motor fails to develop

Low line voltage

Check power line for proper voltage

 

 

Faulty motor or capacitor

Call WMH Tool Group Customer Service

full power

 

 

Department

 

 

 

 

Overload on motor

Reduce load to motor; do not press so hard

 

 

 

Motor overheats

Poor ventilation for motor

Unplug and clean out around motor;

 

provide better air circulation

 

 

 

 

Capacitor failure

Call WMH Tool Group Customer Service

 

 

Department

 

 

 

 

Motor overload

Reduce load to motor; do not press so hard

 

 

 

 

Low line voltage

Check power line for proper voltage

 

 

 

Motor stalls or slows

Loose wire connections

Call WMH Tool Group Customer Service

 

 

Department

 

 

 

 

Faulty motor

Call WMH Tool Group Customer Service

 

 

Department

 

 

 

 

Motor overload

Reduce load to motor; do not press so hard

Frequent fuse or circuit

 

 

Overload of electrical circuit

Too many electrical appliances on same

breaker failure

 

circuit

 

 

 

 

Incorrect fuse of circuit breaker

Have electrician upgrade service to outlet

 

 

 

14

Image 14
Contents JBG Series Bench Grinders Warranty More InformationTable of Contents Page Page Introduction Specifications JBG-6AContents of the Shipping Container UnpackingAssembly Assembling the Spark Guard and Eye Shield Mounting BracketsEye Shields Installing the Spark Guard and Eye Shield Mounting BracketsTool Rests Mounting the GrinderElectrical Connections ElectricalElectrical Requirements Extension CordsAdjustments OperationCare of Grinding Wheel MaintenanceRing Test Changing WheelsLubrication Wire Wheel BrushesCleaning Grinding WheelsTroubleshooting Problem Probable Cause RemedyParts and Assembly Parts ListTS-0680031 JBG6A-59A JBG8A-59AAssembly Drawing Wiring Diagram Replacement Parts