Exmark 4500-358 manual Troubleshooting

Page 39

 

 

 

 

Troubleshooting

 

 

 

 

 

Problem

 

Possible Cause

 

Corrective Action

 

 

 

 

 

Mower pulls left or right (with levers fully

1.

Tracking needs adjustment.

1.

Adjust the tracking by turning knob on the

forward).

 

 

 

right hydro control linkage in the direction

 

 

 

 

that the mower needs to be adjusted to.

 

 

 

 

Turn the knob in 1/4 turn increments

 

 

 

 

until the mower tracks correctly.

 

2.

Tire pressure in drive tires not correct.

2.

Adjust tire pressure in the drive tires.

 

 

 

 

 

Machine does not drive.

1.

Bypass valve is not closed tight.

1.

Tighten the bypass valve.

 

2.

Drive or pump belt is worn, loose or

2.

Change the belt.

 

 

broken.

 

 

 

3.

Drive or pump belt is off a pulley.

3.

Change the belt.

 

 

 

 

 

Uneven cutting height.

1.

Blade(s) not sharp.

1.

Sharpen the blade(s).

 

2.

Cutting blade(s) is/are bent.

2.

Install new cutting blade(s).

 

3.

Mower deck is not level.

3.

Level mower deck from side-to-side and

 

 

 

 

front-to-rear.

 

4.

Underside of mower is dirty.

4.

Clean the underside of the mower.

 

5.

Tire pressure in drive tires not correct.

5.

Adjust tire pressure in the drive tires.

 

6.

Blade spindle bent.

6.

Contact an Authorized Service Dealer.

 

7.

Tips of adjacent blades are at an uneven

7.

Replace blades, spindles and (or) check

 

 

cutting height. Blades tips should be even

 

for damage to mower deck.

 

 

within 3/16 inch which is approximately

 

 

 

 

one blade thickness.

 

 

 

 

 

 

 

Abnormal vibration.

1.

Cutting blade(s) is/are bent or unbalanced.

1.

Install new cutting blade(s).

 

2.

Blade mounting bolt is loose.

2.

Tighten the blade mounting bolt.

 

3.

Engine mounting bolts are loose.

3.

Tighten the engine mounting bolts.

 

4.

Loose engine pulley, idler pulley, or blade

4.

Tighten the appropriate pulley.

 

 

pulley.

 

 

 

5.

Engine pulley is damaged.

5.

Contact an Authorized Service Dealer.

 

6.

Blade spindle is bent.

6.

Contact an Authorized Service Dealer.

 

7.

Belt is damaged.

7.

Install new belt.

 

 

 

 

 

Blades do not rotate.

1.

Drive belt is worn, loose or broken.

1.

Check the belt tension.

 

2.

Drive belt is off pulley.

2.

Check belt for damage; replace if

 

 

 

 

necessary. Install drive belt and check

 

 

 

 

adjusting shafts and belt guides for correct

 

 

 

 

position.

 

3.

Deck belt is worn, loose or broken.

3.

Install new deck belt.

 

4.

Deck belt is off pulley.

4.

Install deck pulley and check the idler

 

 

 

 

pulley, idler arm and spring for correct

 

 

 

 

position and function.

 

5.

Broken or missing idler spring.

5.

Replace the spring.

 

 

 

 

 

39

Image 39
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