Exmark 4500-355 Clean Engine Air Cooling System, Remove Engine Shrouds and Clean Cooling Fins

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Maintenance

Cleaning

Clean Engine Air Cooling System

Service Interval: Before each use or daily

1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).

2.Clean all debris from engine air intake screen and from around engine shrouding.

Remove Engine Shrouds and Clean Cooling Fins

Service Interval: Every 80 hours

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. Remove key or spark plug wire(s).

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

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

Clean Grass Build-Up Under Deck

Service Interval: Before each use or daily

1.Disengage PTO.

2.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).

3.Raise deck and support unit using jack stands or equivalent support.

4.Clean out any grass build-up from underside of deck and in discharge chute.

Waste Disposal

Motor Oil Disposal

Engine oil is a pollutant to the environment. Dispose of used oil at a certified recycling center or according to your state and local regulations.

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Contents Viking Hydro California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices TrainingSafety Operation Slope OperationMaintenance and Storage Safety Safety and Instructional Decals 103-1798 103-2076 103-2103 103-2196 103-2242 116-0404 103-2243 103-4935 103-5626 Specifications Model NumbersSystems Dimensions Torque RequirementsProduct Overview Operation ControlsOperator Presence Control OPC LeversOff-Run Switch Tracking Adjustment KnobNeutral Lock Latch Park Brake LeverPre-Start Operating InstructionsDisengaging the PTO Stopping the EngineDriving the Machine Transporting Transporting a UnitMaintenance Recommended Maintenance SchedulesCheck Engine Oil Level Check Mower BladesReplacing the Discharge Deflector Check Safety Interlock System Check for Loose HardwareService Pre-Cleaner Element and Air Cleaner Change Engine OilCheck Hydraulic Oil Level Check Tire PressuresLubricate Grease Fittings Check Spark PlugsChange Fuel Filter Change Hydraulic System FilterHydraulic System Air Purge LevelWheel Hub-Slotted Nut Torque Specification Thread Locking AdhesivesMobil HTS Grease Or Food-Grade Anti-seize Copper-Based Anti-seizeAdjustments Adjusting the Cutting HeightAdjusting the Axle Position Adjusting the Number of Spacers below Caster Support Hub Adjusting the Cutting Height with Blade SpacersPTO Engagement Linkage Adjustment PTO Safety Switch AdjustmentEngine to Mower Deck Belt Adjustment Inch Deck Shown for Reference OnlyBlade Brake Adjustment Belt Guide AdjustmentPump Drive Belt Tension Adjustment Hydro Drive Linkage Adjustment Adjust Hydro Control Linkages Hydro Pump Spring Tension Setting Park Brake AdjustmentClean Engine Air Cooling System Remove Engine Shrouds and Clean Cooling FinsClean Grass Build-Up Under Deck Waste DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Schematics Wiring DiagramSchematics Exmark Commercial Turf Equipment Page Page See EXMARK’S Complete Line of Accessories and Options