Exmark 4500-645 manual Clean Engine and Exhaust System Area, Clean Hydro Fan Cooling Fins

Page 51

Maintenance

Cleaning

Clean Engine and Exhaust System Area

Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.)

CAUTION

Excessive debris around engine cooling air intake and exhaust system area can cause engine, exhaust area, and hydraulic system to overheat which can create a fire hazard.

Clean all debris from engine and exhaust system area.

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

2.Clean all debris from rotating engine air intake screen, around engine shrouding, and exhaust system area.

3.Wipe up any excessive grease or oil around the engine and exhaust system area

Remove Engine Shrouds and Clean Cooling Fins

Service Interval: Every 100 hours

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

2.Remove cooling shrouds from engine and clean cooling fins. Also clean dust, dirt and oil from external surfaces of engine which can cause inadequate cooling.

3.Make sure cooling shrouds are reinstalled. Operating the engine without cooling shrouds will cause engine damage due to overheating.

Clean Hydro Fan Cooling Fins

Service Interval: Before each use or daily

Removing debris from the hydro fan cooling fins will allow the hydro system to run cooler and improve the life of the hydro system.

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

2.Slide seat all the way forward.

3.Remove accumulated debris from the hydro fan cooling fins.

Clean Debris From Machine

Service Interval: Before each use or daily

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

2.Clean off any oil, debris, or grass build-up on the machine and cutting deck, especially under deck belt shields, around the fuel tank, around engine and exhaust area.

Clean Grass Build-Up Under Deck

Service Interval: Before each use or daily

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

2.Raise deck to the transport (5 1/2 inch (14 cm) cutting height) position. Lift the front of unit and support unit using jack stands or equivalent support.

CAUTION

Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury.

Do Not rely solely on mechanical or hydraulic jacks for support. Use adequate jack stands or equivalent support.

3.Clean out any grass build-up from underside of deck and in discharge deflector.

51

Image 51
Contents Lazer Z LPG Models All Rights Reserved Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesDo Not change the tanks when the engine is running Inspection Tank Requalification OperationWith each tank change WeeklySlope 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 Hydrostatic Ground Drive System SeatDimensions Wheel Base Center of Caster Tire to Center of Drive Tire Curb WeightAccessory Weight Table Worksheet Tread Width Center to Center of Tires, WidthwiseTorque Requirements Product OverviewBrake Lever OperationControls Motion Control LeversFuel Valve Ignition SwitchSafety Pressure Relief Valve Hour MeterDrive Wheel Release Valves PTO Engagement SwitchLow Voltage Indicator LPG Cylinder BracketsPre-Start Operating InstructionsRaise the Rollover Protection System Rops Disengaging the PTO Open the Fuel ValveStarting the Engine Engaging the PTODriving Forward Driving the MachineAdjusting 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 Recommended Maintenance Schedules MaintenanceCheck Battery Charge Check Engine Oil LevelProposition 65 Warning Do Not jump start a weak battery if these conditions exist Recommended Jump Starting ProcedureCheck Mower Blades Check Rollover Protections Systems Roll Bar Knobs Check Safety Interlock SystemChange Engine Oil Service Air CleanerCheck Seat Belt Check for Loose HardwareLubricate Caster Wheel Hubs Check Tire PressuresCheck Condition Of Belts Lubricate Grease FittingsCheck LPG Tank Lubricate Brake Handle PivotLubricate Deck Lift Pivot Check Spark PlugsChange Hydraulic System Filter and Fluid Change LPG TankDielectric Grease Wheel Hub Slotted Nut Torque SpecificationThread Locking Adhesives Copper-Based Anti-seizeDeck Leveling AdjustmentsPump Drive Belt Tension Deck Belt Tension Adjusting the Parking BrakeElectric Clutch Adjustment Removing the Shim Motion Control Linkage Adjustment Adjusting the height Motion Control Damper AdjustmentMotion Control Neutral Lock Pivot Adjustment Motion Control Handle AdjustmentAdjusting the Tilt Caster Pivot Bearings Pre-Load AdjustmentClean Debris From Machine Clean Engine and Exhaust System AreaRemove Engine Shrouds and Clean Cooling Fins Clean Hydro Fan Cooling FinsBattery Disposal Waste DisposalMotor Oil Disposal Problem Possible Cause Corrective Action TroubleshootingSee Drive Wheel Release Valves section Troubleshooting Diagram SchematicsElectrical SchematicHydraulic Diagram General Warranty Conditions and Products Covered Page Date Description of Work Done Service Done By Service RecordPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options