Exmark 4500-358 manual Check Safety Interlock System, Check for Loose Hardware

Page 27

Maintenance

Figure 12

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 12).

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 Electric Start Units Only: Check starting

circuit. Starter should crank with: Operator Presence Control levers depressed, speed control lever in neutral, and PTO disengaged.

Try to start the engine with OPC levers disengaged, speed control lever in neutral and PTO disengaged–starter must not crank.

Try to start with, OPC levers depressed, speed control lever in any speed but neutral and PTO disengaged–starter must not crank.

Try to start with OPC levers depressed, speed control lever in neutral and PTO engaged–starter must not crank. .

2.For All Units: Check OPC circuits. Clear the area. Disengage the park brake. Run engine at one-third throttle, then, with drive levers and neutral lock latches in neutral lock position, move the speed control lever out of neutral and release OPC levers–engine must stop. Again, run engine at one-third throttle, move the speed control lever to neutral, engage PTO and release OPC levers–engine must stop.

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

For Manual Start Engines: The park brake must be disengaged before the PTO is engaged or the 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.

Service Pre-Cleaner Element and Air Cleaner

Service Interval: Every 25 hours—Service the air cleaner. (May need more often under severe conditions. See the Engine Owner’s manual for additional information.)

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Contents Turf Tracer HP California Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesSafety Slope Operation OperationMaintenance and Storage Safety Safety and Instructional Decals 413327 103-1977 109-3148 116-0404 Specifications Model NumbersSystems Dimensions Torque Requirements Product OverviewControls OperationPark Brake Lever Off-Run Switch Manual Start OnlyIgnition Switch Electric Start Only Tracking Adjustment KnobStarting the Engine Manual Start Pre-StartOperating Instructions Open the Fuel Shut-Off ValveDisengaging the PTO Stopping the EngineDriving the Machine Driving Forward Adjusting the Cutting HeightAdjusting the Anti-Scalp Rollers Transporting a Unit TransportingRecommended Maintenance Schedules MaintenanceCheck Battery Charge Electric Start Units Only Check Engine Oil LevelCheck Mower Blades Replacing the Discharge Deflector Check Safety Interlock System Service Pre-Cleaner Element and Air CleanerCheck for Loose Hardware Check Condition Of Belts Change Engine OilCheck Hydraulic Oil Level Check Tire PressuresCheck Spark Plugs Change Fuel FilterChange Hydraulic System Filter Hydraulic System Air Purge Wheel Hub-Slotted Nut Torque Specification Inspect PTO Clutching Belt TensionThread Locking Adhesives Copper-Based Anti-seize Park Brake AdjustmentHydro Drive Linkage Adjustment Mobil HTS Grease Or Food-Grade Anti-seizeViewed from Left Side of Unit See Figure Between the washers. Adjust spring length byNeed to be adjusted Linkage as shown in . Turn the rearPTO Safety Switch Hydro Pump Spring Tension SettingClean Grass Build-Up Under Deck Clean Engine and Exhaust System AreaClean Debris From Machine Remove Engine Shrouds and Clean Cooling FinsBattery Disposal Problem Possible Cause Corrective Action TroubleshootingTroubleshooting Electrical Diagram SchematicsHydraulic Diagram Exmark Commercial Turf Equipment Page Page Service Record Page Page See EXMARK’S Complete Line of Accessories and Options