16 Genie S-80 & Genie S-85 Part No. 43650Operator's Manual Second Edition· Fifth PrintingFunction TestsDo Not Operate Unless:You learn and practice the principles of safemachine operation contained in this operator'smanual.1 Avoid hazardous situations.2 Always perform a pre-operationinspection.3 Always perform function tests prior touse.Know and understand the above principlesbefore going on to the next section.4 Inspect the work place.5 Only use the machine as it was intended.FundamentalsThe Function Tests are designed to discover anymalfunctions before the machine is put intoservice. The operator must follow the step-by-stepinstructions to test all machine functions.A malfunctioning machine must never be used. Ifmalfunctions are discovered, the machine must betagged and removed from service. Repairs to themachine may only be made by a qualified servicetechnician, according to the manufacturer'sspecifications.After repairs are completed, the operator mustperform a pre-operation inspection and functiontests again before putting the machine into service.1 Select a test area that is firm, level and free ofobstruction.At the Ground Controls2 Turn the key switch to ground control.3 Pull out the red Emergency Stop button tothe ON position.Result: Beacon (if equipped) should flash.4 Start the engine (seeStarting The Engine,page 17).Test Emergency Stop5 Push in the red Emergency Stop button to theOFF position.Result: Engine should turn off and all functionsshould not operate.6 Pull out the red Emergency Stop button tothe ON position and restart the engine.Test the Extendable Axles7 Hold the function enable switch to either sideand activate the boom raise function.Result: The boom should raise to horizontal andthen stop. The boom should not raise above thelimit switch unless both axles are extended.8 Hold the function enable switch to either sideand activate the boom lower function.Result: The boom should lower and return to thestowed position.