Section 4 • TroubleshootingMay 2007Part No. 833018 T270 & T280 Super Quiet Generator 4 - 1Before Troubleshooting:Read, understand and obey the safety rulesand operating instructions in the appropriateoperator's manual on your machine.Be sure that all necessary tools and testequipment are available and ready for use.Be aware of the following hazards and followgenerally accepted safe workshop practices.Electrocution hazard. Exposure toelectrically charged circuits couldresult in death or serious injury.Remove all rings, watches andother jewelry.Electrocution hazard. Attemptingto sevice the machine before thecapacitors are fully discharged willresult in death or serious injury.High voltage. Exposure toelectrical wires or electrical currentwill result in death or seriousinjury. Remove all rings, watchesand other jewelry. Turn off allpower when not needed fortesting. Use extreme caution whenworking with high voltage electricalcomponents.Burn hazard. Contact with hotengine components may causesevere burns. Use caution whenworking around a hot engine.TroubleshootingObserve and Obey:Troubleshooting and repair procedures shall becompleted by a person trained and qualified onthe repair of this machine.Immediately tag and remove from service adamaged or malfunctioning machine.Repair any machine damage or malfunctionbefore operating the machine.Unless otherwise specified, perform eachrepair procedure with the machine in thefollowing configuration:· Machine parked on a firm, level surface.· Wheels chocked.· Toggle switch in "OFF" position.