Exmark 4500-645 Ignition Switch, Hour Meter, Fuel Valve, Fuel Gauge, Safety Pressure Relief Valve

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Operation

Figure 7

1. Release button

2. Park brake

 

 

The unit must be tied down and brake engaged when transporting.

Ignition Switch

Located on right console (see Figure 6).

The ignition switch is used to start and stop the engine. The switch has three positions “OFF”, “ON” and “START”. Insert key into switch and rotate clockwise to the “ON” position. Rotate clockwise to the next position to engage the starter (key must be held against spring pressure in this position). Allow the key to return to the “on” position immediately after the engine starts.

Figure 8

1. Off

3. Start

2.On

Note: Brake must be engaged, motion control levers out (neutral lock position) and PTO switch disengaged to start engine. (It is not necessary for the operator to be in the seat to start the engine.)

Hour Meter

Located on the right console in the message display (see Figure 6 and Figure 9).

The hour meter records the number of hours that the engine has run.

Figure 9

1.LCD Indicators

2.Low voltage indicator light

3.Hour/Voltage display

The hour meter is recording when the decimal point is flashing in Hour/Voltage display.

Hours are displayed when the key is off or when the machine is running.

Note: If the ignition key is turned to the “ON” position for a few seconds before cranking the engine, the battery voltage will display in the area where the hours are normally displayed.

Note: The LCD indicators appear when each control meets the “safe to start” mode (e.g. the indicator turns on when the operator is in the seat.)

Fuel Valve

Located on the LPG fuel tank.

The fuel valve is used to open and close the fuel supply when the machine is not in use, during transport to and from the jobsite, and when parked inside a well-ventilated building.

Rotate the fuel valve clockwise to turn off the fuel. Rotate fuel valve counterclockwise to turn on the fuel.

Fuel Gauge

Located on the LPG fuel tank.

This gauge monitors the amount of liquid LPG in the fuel tank.

Safety Pressure Relief Valve

Located on the LPG fuel tank.

The safety pressure relief valve relieves the excess pressure in the LPG tank.

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Contents Lazer Z LPG Models All Rights Reserved Introduction Contents Safety Safety Alert SymbolSafe Operating Practices TrainingDo Not change the tanks when the engine is running Inspection Operation With each tank changeWeekly Tank RequalificationSlope Operation Using the Rollover Protection System Rops Maintenance and Storage Safety Safety and Instructional Decals 109-3148 109-7232 116-0157 116-0752 109-7069 109-9906 Specifications Model NumbersSystems Seat Hydrostatic Ground Drive SystemDimensions Curb Weight Accessory Weight Table WorksheetTread Width Center to Center of Tires, Widthwise Wheel Base Center of Caster Tire to Center of Drive TireProduct Overview Torque RequirementsOperation ControlsMotion Control Levers Brake LeverIgnition Switch Safety Pressure Relief ValveHour Meter Fuel ValvePTO Engagement Switch Low Voltage IndicatorLPG Cylinder Brackets Drive Wheel Release ValvesPre-Start Operating InstructionsRaise the Rollover Protection System Rops Open the Fuel Valve Starting the EngineEngaging the PTO Disengaging the PTODriving the Machine Driving ForwardAdjusting the Cutting Height Adjusting the Anti-Scalp RollersDriving in Reverse Transporting Transporting a UnitDo Not drive a unit on a public street or roadway Loading a Unit Operation Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelProposition 65 Warning Recommended Jump Starting Procedure Do Not jump start a weak battery if these conditions existCheck Mower Blades Check Safety Interlock System Check Rollover Protections Systems Roll Bar KnobsService Air Cleaner Check Seat BeltCheck for Loose Hardware Change Engine OilCheck Tire Pressures Check Condition Of BeltsLubricate Grease Fittings Lubricate Caster Wheel HubsLubricate Brake Handle Pivot Lubricate Deck Lift PivotCheck Spark Plugs Check LPG TankChange LPG Tank Change Hydraulic System Filter and FluidWheel Hub Slotted Nut Torque Specification Thread Locking AdhesivesCopper-Based Anti-seize Dielectric GreaseAdjustments Deck LevelingPump Drive Belt Tension Adjusting the Parking Brake Deck Belt TensionElectric Clutch Adjustment Removing the Shim Motion Control Linkage Adjustment Motion Control Damper Adjustment Motion Control Neutral Lock Pivot AdjustmentMotion Control Handle Adjustment Adjusting the heightCaster Pivot Bearings Pre-Load Adjustment Adjusting the TiltClean Engine and Exhaust System Area Remove Engine Shrouds and Clean Cooling FinsClean Hydro Fan Cooling Fins Clean Debris From MachineBattery Disposal Waste DisposalMotor Oil Disposal Troubleshooting Problem Possible Cause Corrective ActionSee Drive Wheel Release Valves section Troubleshooting Schematics DiagramSchematic ElectricalHydraulic Diagram General Warranty Conditions and Products Covered Page Service Record Date Description of Work Done Service Done ByPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options