Exmark 4500-528 manual Troubleshooting

Page 36

Troubleshooting

Problem

 

Possible Cause

 

Corrective Action

 

 

 

 

 

Engine overheats

1.

Engine load is excessive

1.

Reduce the ground speed.

 

2.

Oil level in the crankcase is low.

2.

Add oil to the crankcase.

 

3.

Cooling fins and air passages for the

3.

Remove the obstructions from the cooling

 

 

engine are plugged.

 

fins and air passages.

 

 

 

 

 

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.

 

6.

PTO clutch does not engage.

6.

Contact an Authorized Service Dealer.

 

 

 

 

 

36

Image 36
Contents Turf Tracer California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices TrainingSafety Operation Slope OperationMaintenance and Storage Safety Safety and Instructional Decals 103-2242 103-2243 103-4935 103-2432 116-0404 117-2718 Specifications Model NumbersSystems Dimensions Product Overview Torque RequirementsOperation ControlsPre-Start Operating Instructions Driving the Machine Drive Lever/Neutral Lock Latch OperationDriving Forward Driving in ReverseAdjusting the Cutting Height Adjusting the Anti-Scalp RollersTransporting Transporting a UnitOperation Maintenance Recommended Maintenance SchedulesCheck Battery Charge Recommended Jump Starting ProcedureDo Not jump start a weak battery if these conditions exist Check Engine Oil LevelCheck Mower Blades Check Safety Interlock System Service Air Cleaner Check for Loose HardwareChange Engine Oil Check Hydraulic Oil LevelCheck Condition Of Belts Lubricate Grease FittingsLubricate Caster Wheel Hubs Remove Engine Shrouds and Clean Cooling Fins Check Spark PlugsChange Fuel Filter Change Hydraulic System Filter Hydraulic System Air PurgeLevel Fuel Tank Mounting Hardware Specifications Thread Locking AdhesivesPark Brake Adjustment Hydro Drive Linkage AdjustmentMobil HTS Grease Or Food-Grade Anti-seize Deck LevelingAdjust Neutral Control Linkages Adjust Hydro Control LinkagesTracking Adjustment Drive Lever Linkage AdjustmentHydro Pump Spring Tension Setting Electric Clutch AdjustmentClean Grass Build-Up Under Deck Waste DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Schematics Electrical DiagramElectrical Logic Schematic Hydraulic Diagram Exmark Commercial Turf Equipment Service Record Date Description of Work Done Service Done ByPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options

4500-528 specifications

The Exmark 4500-528 is a formidable piece of equipment in the realm of professional landscaping and lawn maintenance. Renowned for its robust build and high-performance capabilities, this zero-turn mower is engineered for efficiency, agility, and maneuverability, making it an ideal choice for both commercial landscapers and passionate homeowners.

One of the standout features of the Exmark 4500-528 is its powerful engine. It is equipped with a reliable engine option that delivers impressive horsepower, allowing for faster mowing speeds and better handling of various terrains. The mowers are designed to tackle even the toughest grass conditions, making them suitable for large lawns and challenging landscapes.

The 4500-528 incorporates Exmark’s patented UltraCut deck design, which is specifically designed to optimize mowing efficiency. The deck's advanced cutting technology ensures a clean, even cut, promoting healthier grass growth while minimizing clumping and discharge issues. Furthermore, the mower is available in different cutting deck sizes, allowing users to choose based on their specific requirements and preferences.

Operator comfort is another hallmark of the Exmark 4500-528. The mower features a comfortable, adjustable seat, allowing users to maintain optimal posture during extended mowing sessions. With intuitive controls and a user-friendly interface, operators can easily manage the mower's numerous functions, including speed adjustments and deck height settings.

In terms of durability, the Exmark 4500-528 is built to last. Its heavy-duty frame and high-quality components ensure that it can withstand the rigors of professional use. The mower's tires are designed for traction and stability on various surfaces, enhancing its performance in different weather conditions.

Another impressive characteristic of the Exmark 4500-528 is its fuel efficiency. It is designed to maximize fuel economy while maintaining powerful performance, reducing operational costs for users. Additionally, the ease of maintenance associated with the mower ensures that it remains in top working condition with minimal effort.

Lastly, the Exmark 4500-528 is equipped with cutting-edge technologies, including improved steering control and enhanced safety features. These advancements not only make operations smoother but also enhance the safety of the operator and bystanders.

In summary, the Exmark 4500-528 is a premier zero-turn mower that combines power, precision, comfort, and durability, making it an essential asset for anyone serious about lawn care. Whether for commercial purposes or personal use, this mower delivers exceptional performance and extensive versatility.