Exmark 920 manual Troubleshooting

Page 50

Troubleshooting

Problem

 

Possible Cause

 

Corrective Action

 

 

 

 

 

Engine loses power

1.

Engine load is excessive

1.

Reduce the ground speed.

 

2.

Air cleaner is dirty.

2.

Clean or replace the air cleaner element.

 

3.

Oil level in the crankcase is low.

3.

Add oil to the crankcase.

 

4.

Cooling fins and air passages for the

4.

Remove the obstructions from the cooling

 

 

engine are plugged.

 

fins and air passages.

 

5.

Vent hole in the fuel cap is plugged.

5.

Clean or replace the fuel cap.

 

6.

Dirt in fuel filter.

6.

Replace the fuel filter.

 

7.

Dirt, water, or stale fuel is in the fuel

7.

Contact an Authorized Service Dealer.

 

 

system.

 

 

 

 

 

 

 

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.

Dirty air filter.

3.

Clean or replace the air cleaner element.

 

4.

Coolant level is low.

4.

Add coolant.

 

5.

Debris on or around radiator.

5.

Remove debris (see Clean the Radiator

 

 

 

 

section in Maintenance).

 

6.

Water pump or alternator belt is worn,

6.

Contact an Authorized Service Dealer.

 

 

loose, or broken.

 

 

 

 

 

 

 

Mower pulls left or right (with levers fully

1.

Tracking needs adjustment.

1.

Adjust the tracking.

forward)

2.

Tire pressure in drive tires not correct.

2.

Adjust tire pressure in the drive tires.

 

 

3.

Reverse indicator and motion control

3.

Adjust the reverse indicator and the

 

 

linkage need adjustment.

 

motion control linkage.

 

 

 

 

 

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.

 

4.

Broken or missing idler spring.

4.

Replace the spring.

 

5.

Hydraulic fluid level is low or too hot.

5.

Add hydraulic fluid to reservoir or let it

 

 

 

 

cool down.

 

 

 

 

 

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.

 

 

 

 

 

50

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Contents Lazer Z D-SERIES California Introduction Contents Safe Operating Practices SafetySafety Alert Symbol TrainingOperation Slope Operation Using the Rollover Protection System Rops Maintenance and StorageSafety Safety Safety and Instructional Decals 103-0223 103-0261 103-1798 103-2076 103-7218 107-2102 109-0872 109-1214 109-1215 109-1399 109-2219 109-2263 109-2264 109-2478 109-2951 109-3148 117-2718 19426-87881 19426-87903 107-9866 Systems SpecificationsModel Numbers Tires & Wheels SeatHydrostatic Ground Drive System Cutting DeckDimensions Torque RequirementsControls Product OverviewOperation Motion Control LeversBrake Lever Ignition SwitchTracking Adjustment Knob Hour MeterPre-Start Raise the Rollover Protection System Rops Operating InstructionsBiodiesel Ready Open the Fuel Shut-Off ValveStopping the Engine Engaging the PTODisengaging the PTO Adjusting the Cutting Height Driving the MachineAdjusting the Anti-Scalp Rollers Loading a Unit TransportingTransporting a Unit Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelRecommended Jump Starting Procedure Service Interval As requiredCheck Mower Blades Engine Block of the StalledService Air Cleaner Check Safety Interlock SystemCheck Rollover Protections Systems Roll Bar Pins Check Seat BeltCheck Tire Pressures Change Engine OilCheck Hydraulic Oil Level Check Condition Of Belts Lubricate Grease FittingsLubricate Brake Handle Pivot Wheel Hub Slotted Nut Torque SpecificationLubricate Caster Wheel Hubs Lubricate Brake Rod BushingsDrain Fuel Filter/Water Separator Lubricate Motion Control Bronze BushingsCheck Spark Plugs Change Fuel Filter/Water SeparatorCheck Engine Coolant Level Change Engine CoolantCheck Spark Arrester if equipped Thread Locking AdhesivesDielectric Grease Mobil HTS Grease Or Food-Grade Anti-seizeCopper-Based Anti-seize Deck LevelingDeck Belt Tension Mule Drive Belt Tension AdjustmentPump Drive Belt Tension Alternator Belt Tension Belt Guide AdjustmentBrake Link Adjustment Electric Clutch Adjustment Brake AdjustmentReverse Indicator Adjustment Motion Control Linkage Adjustment Motion Control Damper Adjustment Caster Pivot Bearings Pre-Load AdjustmentClean Engine Cooling System Clean Engine and Exhaust System AreaClean the Radiator Clean Debris From MachineClean Grass Build-Up Under Deck Waste DisposalBattery Disposal Troubleshooting Problem Possible Cause Corrective ActionTroubleshooting Troubleshooting Schematics Electrical DiagramElectrical Schematic Exmark Commercial Turf Equipment Page Page 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
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0, 920 specifications

The Exmark 920 is an exceptional piece of equipment tailored for professionals and enthusiasts alike. Designed with an emphasis on performance and reliability, this mower embodies the pinnacle of lawn care technology. Known for its robust construction, the Exmark 920 is equipped with a powerful engine, ensuring efficient and effective mowing even in demanding conditions.

One of the standout features of the Exmark 920 is its cutting deck. With a 52-inch or 60-inch mower deck option, it allows users to cover a large mowing area quickly. The deck is crafted from high-strength steel, providing durability and longevity while maintaining a lightweight design that enhances maneuverability. Innovative blade design promotes superior airflow for an even cut, preventing clumping and ensuring a polished finish across various grass types.

The Exmark 920 utilizes advanced technology, including the innovative RED Technology, which enhances engine performance by optimizing power consumption. This results in reduced fuel consumption while maintaining the required power output for demanding tasks. Additionally, the mower’s intuitive controls include a user-friendly interface, allowing for easy adjustments and settings, catering to the varying needs of different lawn types and conditions.

Another notable feature of the Exmark 920 is its all-day comfort design. With an ergonomic seat and advanced suspension system, operators can tackle long mowing sessions without discomfort. The padded seat is adjustable, providing maximum support to minimize fatigue, while the suspension system absorbs bumps and uneven terrain for a smoother ride.

Furthermore, the Exmark 920 prioritizes serviceability. Easy access points for maintenance and a well-designed layout ensure that routine tasks, such as oil changes and blade replacements, can be completed efficiently. The model also comes equipped with LED headlights for improved visibility during early morning or late evening mowing.

In summary, the Exmark 920 is a sophisticated mower combining power, advanced technology, and design for comfort and utility. Its high-performance engine, durable cutting deck, user-friendly controls, and serviceable layout make it an ideal choice for anyone seeking to achieve a well-manicured lawn with professional results. Whether for commercial or residential use, the Exmark 920 stands out as a leading option in the market, enabling users to tackle any mowing challenge with confidence and ease.
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