3 - 28 Genie Z-60/34 Part No. 75861November 2003Section 3 • Scheduled Maintenance ProceduresREV ACHECKLIST B PROCEDURESB-15Test the Fuel Select Operation -Ford ModelsThe ability to select and switch betweengasoline and LPG fuels as needed is essential tosafe machine operation. A fuel selection can bemade when the engine is running or not.Switching malfunctions and/or the failure of theengine to start and run properly in both fuelmodes and through all idle speeds can indicate fuelsystem problems that could develop into ahazardous situation.Perform this test after checkingthe gasoline and LPG fuel levels,and warming the engine to normaloperating temperature.1 At the platform controls, move the fuel selectswitch to gasoline and then move the engineidle control switch to foot switch activated highidle (rabbit and foot switch symbol).2 Start the engine from the platform controls andallow it to run at low idle.3 Press down the foot switch to allow the engineto run at high idle.Result: The engine should start promptly andoperate smoothly in low and high idle.4 Release the foot switch and shut the engine offby pushing in the red Emergency Stop button into the off position.5 Move the fuel select switch to LPG.6 Restart the engine and allow it to run atlow idle.7 Press down the foot switch to allow the engineto run at high idle.Result: The engine should start promptly andoperate smoothly in low and high idle.The engine may hesitatemomentarily and then continueto run on the selected fuel if thefuel source is switched whilethe engine is running.
