Exmark Comprehensive Troubleshooting Manual for Lawn Mowers

Page 35

 

 

 

 

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.

By pass valve is not closed tight.

1.

Tighten the by pass 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.

 

 

 

 

 

35

Image 35
Contents Turf Tracer California Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesSafety Slope Operation OperationMaintenance and Storage Safety Safety and Instructional Decals 103-2432 103-4935 116-0404 Systems SpecificationsModel Numbers Dimensions Torque Requirements Product OverviewControls OperationPre-Start Operating Instructions Driving the Machine Adjusting the Cutting HeightAdjusting the Anti-Scalp Rollers Transporting a Unit TransportingRecommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Battery ChargeCheck Mower Blades Check Safety Interlock SystemCheck Hydraulic Oil Level Service Air CleanerCheck for Loose Hardware Change Engine OilLubricate Grease Fittings Check Tire PressuresCheck Condition Of Belts Change Fuel Filter Remove Engine Shrouds and Clean Cooling FinsLubricate Caster Wheel Hubs Check Spark PlugsHydraulic System Air Purge Change Hydraulic System FilterThread Locking Adhesives Wheel Hub Slotted Nut Torque SpecificationFuel Tank Mounting Hardware Specifications Copper-Based Anti-seize Brake AdjustmentSpeed Control Linkage Neutral Safety Switch Adjustment Mobil HTS Grease Or Food-Grade Anti-seizeHydro Control Linkage Adjustment Neutral Control Linkages AdjustmentTracking Adjustment Drive Lever Linkage AdjustmentWaste Disposal Hydro Pump Spring Tension SettingElectric Clutch Adjustment Clean Grass Build-Up Under DeckBattery 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