Exmark 720000 & Higher Caster Pivot Bearings Pre-Load Adjustment, Clean Engine Cooling System

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Maintenance

Figure 16

Right-Hand Side of Unit Shown

1. Re-install spring in outer

3. Remove e-ring and

holes to reduce spring

washer.

tension.

 

2.Weight transfer spring.

7.Re-install the left fender

8.For additional weight transfer adjustment, repeat steps 4 through 7 on the right side of the unit.

Caster Pivot Bearings Pre-Load Adjustment

Remove dust cap from caster and tighten nyloc nut until washers are flat and back off 1/4 of a turn to properly set the pre-load on the bearings. If disassembled, make sure the spring disc washers are reinstalled as shown in Figure 17.

Figure 17

1.Spring disc washers

Cleaning

Clean Engine Cooling System

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

CAUTION

Excessive debris around the engine cooling air intake and inside of the pump drive belt compartment and damaged or missing rubber baffles can cause the engine and hydraulic system to overheat which can create a fire hazard.

Clean all debris from inside of pump drive belt compartment daily.

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 and from around engine shrouding.

3.Clean all debris from around the engine and drive belts.

Remove Accumulated Debris from Engine (Briggs & Stratton Units Only)

Service Interval: Before each use or daily

Engine parts should be kept clean to reduce the risk of overheating and ignition of accumulated debris.

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

2.Remove front panel from engine and clean around the intake manifold, fuel pump, and carburetor.

3.Reinstall the front panel.

Important: Do Not use water to clean engine. Use low pressure compressed air. See Engine Owner’s Manual.

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Contents Frontrunnertm California Introduction Contents Safe Operating Practices SafetySafety Alert Symbol TrainingSafety Operation Using the Rollover Protection System Rops Slope OperationMaintenance and Storage Safety and Instructional Decals 103-7218 107-2102 107-2112 109-2355 109-2356 109-2357 109-7413 Model Numbers SpecificationsSystems Tires & Wheels Hydrostatic Ground Drive SystemCutting Deck Dimensions Product Overview Torque RequirementsOperation ControlsPre-Start Operating InstructionsEngaging the PTO Open the Fuel Shut-Off ValveStarting the Engine Disengaging the PTODriving the Machine Driving ForwardTransporting a Unit TransportingLoading a Unit Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelCheck Safety Interlock System Engine must initiate shutdownCheck Seat Belt Check Rollover Protections Systems Roll Bar PinsService Air Cleaner Check for Loose HardwareCheck Auxiliary Hydraulic Oil Level Check Hydraulic Oil LevelCheck Tire Pressures Lubricate Grease Fittings Check Condition Of BeltsLubricate Rear Caster Wheel Hubs Lubricate Motion Control Bronze Bushings Lubricate Brake Handle PivotLubricate Brake Rod Bushings Lubricate Motion Control ShaftChange Fuel Filter Fuel Tank Mounting Hardware SpecificationsCheck Spark Plugs Change Hydraulic System FilterDielectric Grease Pump Drive Belt ReplacementPark Brake Adjustment Pump Drive Belt TensionMotion Control Linkage Adjustment Weight Transfer Spring Adjustment Caster Pivot Bearings Pre-Load Adjustment Clean Engine Cooling SystemWaste Disposal Remove Engine Shrouds Clean Cooling FinsBattery Disposal Motor Oil DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Schematics Ignition Switch 31HPHydraulic Diagram Year Limited Warranty Exmark Turf Equipment Service Record Page See EXMARK’S Complete Line of Accessories