Genie GTH-644 Operator's Manual
Also see for GTH-644: Service manual
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Contents
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CONTROLS AND INSTRUMENTSThe following gauges are used to monitor themachine:1 - Fuel Level2 - Water Temperature, Engine3 - Oil Pressure, Engine4 - Oil Temperature, Powershift Transmission5 - Oil Pressure, Powershift Transmission6 - VoltmeterBRAKEPARKINGPRESSURELOW BRAKEOFFPUMP HEADLIGHTSWORKLIGHTS WIPERFRONTWIPERREARPUMPOFFLOW BRAKEPRESSURE HEADLIGHTS REARWIPERFRONTWIPERWORKLIGHTSPARKINGBRAKEGAUGES12 3 4 56HYDRAULIC PUMP DESTROKE BUTTONDepressing the pump destroke button while operating the machinewill cause an immediate loss of hydraulic power, possiblycreating a very dangerous situation. Hydraulic functions thatwill be affected are: FORK TILT, LIFT, BOOM EXTENDand RETRACT, PARKING BRAKE and SWAY. None of thesefunctions will operate as long as the button is depressed. Theservice brakes will continue to function if the accumulator backuphas a sufficient gas charge.The pump destroke button (C) is the black push buttonswitch located on the dash panel.For example, when starting the machine for the first time on a 30degree F. day, depress the pump destroke button while startingthe engine. Continue to depress the button for 15 to 20 secondsafter the engine starts. Once the engine is running smoothly,release the button and the hydraulic pump will engage.Depressing the pump destroke button will not be required forall other starts of the day, unless the engine has been allowedto cool completely.DANGERC3 - 9 |
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