Operation G 50/G 70/G 85wc_tx000483gb.fm 403.21 Running the GeneratorSee Graphic: wc_gr002611Leave the Engine Start Switch (f) in the “START/RUN” position whilethe generator is operating. If the generator was started using a remoteswitch, leave Engine Start Switch in the “REMOTE START” position.Let the generator run for a few minutes to warm engine before closingmain circuit breaker.Before closing breakers, make sure that any electrical devicesattached downstream from the generator will not start upunexpectedly.While the generator is running, check for excessive vibration, oil leaks,or coolant leaks.Before placing the Engine Start Switch (f) in the “REMOTESTART” position, verify that the contacts on any remote switch linkedto the generator set are OPEN. This will prevent the generator fromimmediately starting when the Engine Start Switch is moved to the“REMOTE START” position.3.22 Engine Power Correction FactorsPerformance data on John Deere engines are measured at thefollowing standard conditions:• 29.31 inches of mercury dry air pressure• 600 feet altitude• 0 % relative humidity• 77°F air intake temperature• 104°F fuel inlet temperatureRefer to the table to estimate the engine power decrease in percent,as environmental factors vary from the standard conditions.MODEL FUEL TEMPRISE of 1.8°FAIR TEMPRISE of 10°FALTITUDERISE of 305 m(1000 ft)RELATIVEHUMIDITYRISE of 10%G 50 0.17 1.50 3.00 0.10G 70G 85 0.19 0.50 see chartbelow 0.07WARNINGWARNING