Exmark 4500-645 Check Seat Belt, Check for Loose Hardware, Service Air Cleaner, Change Engine Oil

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Maintenance

Check Seat Belt

Service Interval: Before each use or daily

Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged.

Check for Loose Hardware

Service Interval: Before each use or daily

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Visually inspect machine for any loose hardware or any other possible problem. Tighten hardware or correct the problem before operating.

Service Air Cleaner

Service Interval: Every 250 hours—Replace the primary air cleaner element — check secondary air cleaner element; replace if dirty. (May need more often under severe conditions. See the Engine Owner’s Manual for additional information.)

Every 500 hours—Replace the secondary air cleaner element (May need more often under severe conditions. See the Engine Owner’s Manual for additional information.)

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.See the Engine Owner’s Manual for maintenance instructions.

Change Engine Oil

Service Interval: After the first 5 hours

Every 100 hours/Yearly (whichever comes first) (May need more often under severe conditions.)

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Drain oil while engine is warm from operation.

3.The oil drain hose is located on right hand side of engine at the rear. Place pan under machine to catch oil. Remove plug from end of drain hose. Allow oil to drain and replace oil drain plug. Torque plug to 20-24 ft-lb.

4.Replace the oil filter every other oil change. Clean around oil filter and unscrew filter to remove. Before reinstalling new filter, apply a thin coating of oil on the surface of the rubber seal. Turn filter clockwise until rubber seal contacts the filter adapter then tighten filter an additional 1/2 to 3/4 turn.

5.Clean around oil fill cap and remove cap. Fill to specified capacity and replace cap.

6.Use oil recommended in engine owner’s manual. Do Not overfill. Start the engine and check for leaks.

7.Wipe up any spilled oil from engine deck mounting surfaces.

Check Hydraulic Oil Level

Service Interval: Every 50 hours

1.Stop engine and wait for all moving parts to stop. Engage parking brake.

2.Wait until the unit cools before checking the hydraulic oil.

3.Slide the seat all the way forward to access the caps on the LH and RH hydro drives.

4.Clean the area around hydraulic reservoir cap and remove cap.

5.Wipe the dipstick clean and re-insert the cap back into the hydro. Lightly tighten the cap.

6.Remove the cap again and check the level of the oil on the dipstick. See Figure 24 for oil levels.

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Contents Lazer Z LPG Models All Rights Reserved Introduction Contents Safe Operating Practices SafetySafety Alert Symbol TrainingDo Not change the tanks when the engine is running Inspection Weekly OperationWith each tank change 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 Systems SpecificationsModel Numbers Seat Hydrostatic Ground Drive SystemDimensions Tread Width Center to Center of Tires, Widthwise Curb WeightAccessory Weight Table Worksheet Wheel Base Center of Caster Tire to Center of Drive TireProduct Overview Torque RequirementsMotion Control Levers OperationControls Brake LeverHour Meter Ignition SwitchSafety Pressure Relief Valve Fuel ValveLPG Cylinder Brackets PTO Engagement SwitchLow Voltage Indicator Drive Wheel Release ValvesRaise the Rollover Protection System Rops Pre-StartOperating Instructions Engaging the PTO Open the Fuel ValveStarting the Engine Disengaging the PTODriving the Machine Driving ForwardDriving in Reverse Adjusting the Cutting HeightAdjusting the Anti-Scalp Rollers Do Not drive a unit on a public street or roadway TransportingTransporting a Unit Loading a Unit Operation Maintenance Recommended Maintenance SchedulesProposition 65 Warning Check Battery ChargeCheck Engine Oil Level 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 KnobsCheck for Loose Hardware Service Air CleanerCheck Seat Belt Change Engine OilLubricate Grease Fittings Check Tire PressuresCheck Condition Of Belts Lubricate Caster Wheel HubsCheck Spark Plugs Lubricate Brake Handle PivotLubricate Deck Lift Pivot Check LPG TankChange LPG Tank Change Hydraulic System Filter and FluidCopper-Based Anti-seize Wheel Hub Slotted Nut Torque SpecificationThread Locking Adhesives 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 Handle Adjustment Motion Control Damper AdjustmentMotion Control Neutral Lock Pivot Adjustment Adjusting the heightCaster Pivot Bearings Pre-Load Adjustment Adjusting the TiltClean Hydro Fan Cooling Fins Clean Engine and Exhaust System AreaRemove Engine Shrouds and Clean Cooling Fins Clean Debris From MachineMotor Oil Disposal Battery DisposalWaste 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
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