Operator's Manual Sixth Edition • First Printing18 Z-34/22 • Z-34/22N Part No. 1258814Function 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 function testsbefore going on to the next section.4 Inspect the workplace.5 Only use the machine as it was intended. 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: The beacon (if equipped) should flash.Test Emergency Stop4 Push in the red Emergency Stop button to theoff position.Result: All ground and platform control functionsshould not operate.5 Pull out the red Emergency Stop button tothe on position.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 mustpreform a pre-operation inspection and functiontests again before putting the machine into service.