Exmark 920 Clean Engine Cooling System, Clean Engine and Exhaust System Area, Clean the Radiator

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Maintenance

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.

Clean debris from radiator screen and core daily.

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

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

3.Wipe debris from screen in engine cover.

4.Rotate engine cover forward and wipe debris from radiator core as required.

5.Clean debris from radiator fins with compressed air.

Important: If debris or air can not be blown through the radiator, see Cleaning of the Radiator section.

6.Inspect seals in engine cover and replace if necessary.

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 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.Remove air deflector panel from behind seat.

3.Clean around flywheel, cylinder head, injectors, and injector pump.

4.Clean all debris from the exhaust system area.

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

6.Reinstall the air deflector panel.

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

Clean the Radiator

Service Interval: Every 50 hours (May be required more often in dry or dirty conditions.)

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

2.Allow engine to cool.

3.Rotate seat and engine cover forward.

4.While holding fan up, remove the four screws attaching the fan to the shroud. Disconnect and remove the fan.

5.Using compressed air, blow out debris stuck between the fins of the entire radiator, both from the top down and from the bottom up.

6.If debris remains, it may be necessary to use water from a low pressure hose. If the radiator is clean, proceed to step 8.

7.Cover the engine with a piece of cardboard, or a plastic sheet. Squirt water down through the fins. Blow through with low pressure air from both directions. If debris remains, repeat until clean.

8.Re-assemble the fan to the radiator. Reconnect the fan.

9.Start the engine to ensure the fan is functioning properly.

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Contents Lazer Z D-SERIES California Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesOperation Slope Operation Maintenance and Storage Using the Rollover Protection System RopsSafety Safety Safety and Instructional Decals 103-0223 103-0261 103-1798 103-2076 103-7218 107-2102 109-0872 109-1214 109-1215 109-1399 109-2219 109-2263 109-2264 109-2478 109-2951 109-3148 117-2718 19426-87881 19426-87903 107-9866 Systems SpecificationsModel Numbers Cutting Deck SeatHydrostatic Ground Drive System Tires & WheelsTorque Requirements DimensionsMotion Control Levers Product OverviewOperation ControlsHour Meter Ignition SwitchTracking Adjustment Knob Brake LeverPre-Start Open the Fuel Shut-Off Valve Operating InstructionsBiodiesel Ready Raise the Rollover Protection System RopsStopping the Engine Engaging the PTODisengaging the PTO Driving the Machine Adjusting the Cutting HeightAdjusting the Anti-Scalp Rollers Loading a Unit TransportingTransporting a Unit Recommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Battery ChargeService Interval As required Recommended Jump Starting ProcedureEngine Block of the Stalled Check Mower BladesCheck Seat Belt Check Safety Interlock SystemCheck Rollover Protections Systems Roll Bar Pins Service Air CleanerCheck Tire Pressures Change Engine OilCheck Hydraulic Oil Level Lubricate Grease Fittings Check Condition Of BeltsLubricate Brake Rod Bushings Wheel Hub Slotted Nut Torque SpecificationLubricate Caster Wheel Hubs Lubricate Brake Handle PivotChange Inline Fuel Filter Lubricate Motion Control Bronze BushingsDrain Fuel Filter/Water Separator Change Fuel Filter/Water SeparatorChange Engine Coolant Check Engine Coolant LevelThread Locking Adhesives Check Spark Arrester if equippedDeck Leveling Mobil HTS Grease Or Food-Grade Anti-seizeCopper-Based Anti-seize Dielectric GreaseDeck Belt Tension Mule Drive Belt Tension AdjustmentPump Drive Belt Tension Alternator Belt Tension Belt Guide AdjustmentParking Brake Adjustment Lever down Remove pin to adjust Disengaged Removing the Shim Electric Clutch AdjustmentMotion Control Linkage Adjustment Reverse Indicator AdjustmentBecause of the jumper wire being used. Run Caster Pivot Bearings Pre-Load Adjustment Motion Control Damper AdjustmentClean the Radiator Clean Engine Cooling SystemClean Engine and Exhaust System Area Waste Disposal Clean Debris From MachineClean Grass Build-Up Under Deck Battery DisposalProblem Possible Cause Corrective Action TroubleshootingTroubleshooting Troubleshooting Electrical Diagram SchematicsElectrical Schematic Exmark Commercial Turf Equipment Page 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
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920, 000 & higher specifications

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