Exmark 850, 00 & Higher manual Position see Drive Wheel Release

Page 44

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.

Dirt in fuel filter.

5.

Replace the fuel filter.

 

6.

Dirt, water, or stale fuel is in the fuel

6.

Contact an Authorized Service Dealer.

 

 

system.

 

 

 

 

 

 

 

Mower pulls left or right (with levers fully

1.

Tire pressure in drive tires not correct.

1.

Adjust tire pressure in the drive tires.

forward)

 

 

 

 

 

 

 

 

 

Machine does not drive

1.

Drive wheel system not in “operating”

1.

Position drive wheel system in “operating”

 

 

position.

 

position; see Drive Wheel Release

 

 

 

 

Valves section in Operation.

 

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.

 

 

 

 

 

Blades do not rotate.

1.

Deck belt is worn, loose or broken.

1.

Install new deck belt.

 

2.

Deck belt is off pulley.

2.

Install belt on clutch and deck pulleys,

 

 

 

 

idlers, and tensioning idler per routing

 

 

 

 

decal on deck.

 

3.

Broken or missing idler spring.

3.

Replace the spring.

 

4.

Deck belt not routed correctly.

4.

Refer to belt routing decal on deck.

 

 

 

 

 

44

Image 44
Contents Quest SP Models California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices PreparationSafety Operation Using the Rollover Protection System Rops Slope OperationTowing Maintenance and StorageChildren Safety Safety and Instructional Decals 103-3270 107-2102 109-3148 109-6014 109-9173 112-8651 PTO Switch Symbols 116-2834 Systems SpecificationsModel Numbers Dimensions Curb Weight Product OverviewTorque Requirements Tread Width Center to Center of Tires, WidthwiseOperation ControlsFuel Shut-Off Valve Drive Wheel Release ValvesHour Meter PTO Engagement Switch Pre-StartDeck Lift Pedal Transport LockOperating Instructions Raise the Rollover Protection System RopsOpen the Fuel Shut-Off Valve Starting the EngineEngaging the PTO Disengaging the PTOAdjusting the Cutting Height Driving the MachineAdjusting the Anti-Scalp Rollers Torque the 3/8 nyloc nut to 27-33 ft-lb 37-45 N-mLoading a Unit TransportingTransporting a Unit Operation Maintenance Recommended Maintenance SchedulesCheck Engine Oil Level Check Battery ChargeRecommended Jump Starting Procedure Do Not jump start a weak battery if these conditions exist Check Mower BladesCheck Safety Interlock System Service DealerService Air Cleaner Check Rollover Protection System Roll Bar KnobsCheck Seat Belt Check for Loose HardwareCheck Tire Pressures Check Condition Of BeltsLubricate Grease Fittings Check Spark PlugsCheck Spark Arrester if equipped Thread Locking Adhesives Copper-Based Anti-seizeDielectric Grease Deck LevelingAdjusting the Blade Slope Deck Belt Tension Adjusting the Parking BrakePump Drive Belt Tension Motion Control Handle Adjustment Adjusting the heightElectric Clutch Adjustment Full Forward Tracking AdjustmentAdjusting the Seat Ride Suspension Feeler gauge Brake mounting bolt Shim Clean Engine and Exhaust System Area Remove Engine Shrouds and Clean Cooling FinsClean Hydro Fan Cooling Fins Clean Debris From MachineMotor Oil Disposal Battery DisposalWaste Disposal Troubleshooting Problem Possible Cause Corrective ActionPosition see Drive Wheel Release Schematics Electrical DiagramSchematic Quest SP Turf Equipment 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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00 & Higher, 850 specifications

The Exmark 850 is a top-of-the-line commercial mower, known for its durability, efficiency, and advanced features, making it a favorite among landscaping professionals. With a powerful engine and innovative technology, the Exmark 850 is designed to tackle tough mowing tasks while ensuring a high-quality cut.

One of the standout characteristics of the Exmark 850 is its robust engine performance. Powered by a reliable Kohler or Kawasaki engine, it delivers exceptional horsepower, enabling it to handle various terrains and grass types with ease. The engine is designed for fuel efficiency, allowing operators to work longer hours without frequent refueling, ultimately boosting productivity on the job.

The cutting deck of the Exmark 850 is engineered with precision, utilizing Exmark's proprietary UltraCut technology. This technology ensures that grass is cut evenly and efficiently, resulting in a clean, manicured appearance. The deck height is easily adjustable, allowing users to quickly change settings to accommodate different lawn conditions and preferences.

Another key feature is the innovative suspension system that enhances ride quality. The Exmark 850 is equipped with a heavy-duty front axle and high-performance suspension that absorbs bumps and uneven ground, allowing for a smoother mowing experience. This is especially beneficial for operators who spend long hours on the mower, reducing fatigue and improving comfort.

Ergonomics play a crucial role in the design of the Exmark 850. The operator station is thoughtfully crafted with optimal controls and comfortable seating, allowing for easy maneuverability and long-term use. The ergonomic handles and intuitive control layout make it easy for operators to navigate tricky landscapes, enhancing overall efficiency.

In terms of durability, the Exmark 850 is built to withstand the rigors of commercial use. The high-quality materials and construction ensure that this mower can handle challenging conditions, extending its lifespan and reducing maintenance needs. Additionally, Exmark offers an extensive warranty program, providing peace of mind for operators.

Safety features are also prioritized in the Exmark 850, with guards and shields designed to protect the operator while mowers are in use. These features also include emergency shut-off systems and blade brake systems, ensuring compliance with safety standards.

Overall, the Exmark 850 stands out as a high-performing, reliable, and efficient mower suitable for a variety of commercial landscaping tasks. With its powerful engine, advanced cutting technology, ergonomic design, and emphasis on durability and safety, it continues to be a top choice for professionals seeking high-quality lawn care equipment.