Exmark 4500-355 manual Check Safety Interlock System, Check for Loose Hardware

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Maintenance

Figure 7

1.

Rod

4.

Mower deck

2.

Spring

5.

Discharge deflector

 

 

 

bracket

3.

Discharge deflector

6.

Assembled view

3.Hook the bent end of the rod around the front discharge deflector bracket to retain it from sliding out. Place the leg of the spring with the loop in the notch in the discharge deflector to hold the discharge deflector in the down position (see Figure 7).

Important: The discharge deflector must be spring loaded in the down position. Lift the deflector up to test that it snaps to the full down position.

Check Safety Interlock System

Service Interval: Before each use or daily

1.For your safety, your Exmark mower is equipped with Operator Presence Controls, referred to as (OPC). When either the PTO is engaged, or the speed control lever is not in neutral and the operator removes both hands from the handles, the mower engine must stop.

2.To determine if the OPC is in operating condition, clear area of bystanders. Run the engine at one-third throttle, then with the drive levers and neutral lock latches in the “neutral lock” position, move the speed control lever out of neutral and release the OPC levers–the engine must stop.

3.Again, run the engine at one-third throttle, move the speed control lever to neutral, engage the PTO and release the OPC levers–the engine must stop.

Note: Park brake must be disengaged before the speed control lever is moved out of neutral or PTO is engaged or engine will kill.

Note: If machine does not pass any of these tests, do not operate. Contact your authorized EXMARK

SERVICE DEALER.

Important: It is essential that operator safety mechanisms be connected and in proper operating condition prior to use for mowing.

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.

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Contents Viking Hydro California Introduction Contents Safe Operating Practices SafetySafety Alert Symbol 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 Model Numbers SpecificationsSystems Dimensions Torque RequirementsOperator Presence Control OPC Product Overview OperationControls LeversNeutral Lock Latch Off-Run SwitchTracking Adjustment Knob Park Brake LeverPre-Start Operating InstructionsStopping the Engine Disengaging the PTODriving the Machine Transporting Transporting a UnitMaintenance Recommended Maintenance SchedulesCheck Mower Blades Check Engine Oil LevelReplacing the Discharge Deflector Check Safety Interlock System Check for Loose HardwareCheck Hydraulic Oil Level Service Pre-Cleaner Element and Air CleanerChange Engine Oil Check Tire PressuresChange Fuel Filter Lubricate Grease FittingsCheck Spark Plugs Change Hydraulic System FilterHydraulic System Air Purge LevelMobil HTS Grease Or Food-Grade Anti-seize Wheel Hub-Slotted Nut Torque SpecificationThread Locking Adhesives 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 OnlyBelt Guide Adjustment Blade Brake AdjustmentPump Drive Belt Tension Adjustment Hydro Drive Linkage Adjustment Adjust Hydro Control Linkages Hydro Pump Spring Tension Setting Park Brake AdjustmentClean Grass Build-Up Under Deck Clean Engine Air Cooling SystemRemove Engine Shrouds and Clean Cooling Fins 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