Exmark 850 Pre-Start, Operating Instructions, Handle Adjustment, Open the Fuel Shut-OffValve

Page 15
Pre-Start

Operation

 

 

Figure 7

 

 

Honda Unit

1.

Air cleaner

3. Fuel cap

2.

Fuel valve

 

 

 

 

On EC21KA, EC21KABBC, EC21KAX, EC21KAY, EC21KABBCX, EC21KABBCY, and EC21ASHN units, rotate the valve 1/4 turn clockwise to shut off fuel. Rotate the valve 1/4 turn counterclockwise to turn on fuel.

Figure 8

1.Rotate clockwise to close

2.Rotate counterclockwise to open

On EC21HNBBC and EC21HNBBCX units, the fuel shut off valve is located on the engine as shown in Figure 9. Rotate 1/4 turn clockwise to shut off fuel. Rotate the valve 1/4 turn counterclockwise to turn on fuel.

Pre-Start

Fill fuel tank. For best results use only clean, fresh regular grade unleaded gasoline with an octane rating of 87 or higher. To ensure freshness, purchase only the quantity of gasoline that you expect to use in

30 days. Using unleaded gasoline results in fewer combustion deposits and longer engine life. See Engine Owner’s Manual.

Important: Never use methanol, gasoline containing methanol, gasohol containing more than 10% ethanol, premium gasoline, or white gas because the fuel system could be damaged.

Do Not add oil to gasoline.

Do Not use gasoline that has been stored since the last mowing season or longer.

Do Not overfill fuel tank. Never fill the fuel tank so that the fuel level rises above a level that is 1/2 inch below the bottom of the filler neck to allow for fuel expansion and prevent fuel spillage.

Make sure you understand the controls, their locations, their functions, and their safety requirements.

Refer to the Maintenance section and perform all the necessary inspection and maintenance steps.

Operating Instructions

Handle Adjustment

The height of the handle can be adjusted for comfortable operation. Stand behind the handle to determine the height. To adjust the handle height, position the hardware into one of the three holes in the handle bracket.

Open the Fuel Shut-Off Valve

Rotate the valve 1/4 turn counterclockwise to turn the fuel on (if equipped).

Figure 9

Starting the Engine

1.Fuel valve

1. Connect the wire to the spark plug.

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Contents COMMERCIAL For Serial Nos 850,000 & HigherPart No. 4500-674Rev. A CALIFORNIA Proposition 65 Warning Model No Serial No IntroductionContents Safe Operating Practices SafetySafety Alert Symbol SafetyDANGER SafetyDANGER Safety OperationDo Not mow slopes when grass is wet Maintenance and StorageSlope Operation SafetyEC21KABBC,EC21KAY, EC21KA, EC21KABBCCA Safety and Instructional DecalsSafety EC21KABBCX116-1922 Safety109-8194 EC21KABBCY, EC21KABBCCA116-2737 SafetyCurb Weight SpecificationsDimensions SpecificationsOperation Product OverviewOperation ControlsBlade Control Lock Lever Blade Engine Stop SwitchChoke Control EC21HNBBC, EC21HNBBCX Fuel Shut-OffValveOpen the Fuel Shut-OffValve Handle AdjustmentPre-Start Operating InstructionsOperation Stopping the EngineOperation Using the Mulch PlugOperation Authorized Service DealerOperation Test Using the Grass BagAdjusting the Cutting Height DANGERUsing the Grass Bag DANGEROperation Operation Operating TipsMaintenance Recommended Maintenance SchedulesMaintenance Clutch Blade Brake Clutch Only Periodic MaintenanceCheck Engine Oil Level Checking the Blade BrakeCheck the Mower Blade MaintenanceDANGER Maintenance Check for Loose HardwareCheck the Blade Brake Clutch Bail Operation Blade Brake Clutch Units OnlyService Air Filter Kawasaki Units Service Air Filter EC21ASHN UnitsMaintenance Maintenance Service Air Filter EC21HNBBC and EC21HNBBCX UnitsChange Engine Oil MaintenanceService Interval After the first 5 hours Service Interval Every 100 hours Check Condition Of Belt Self-PropelledUnits OnlyCheck Spark Plugs MaintenanceMaintenance AdjustmentsAdjusting the Self-Propel Drive Self-PropelledUnits OnlyAdjusting the Blade Brake Cable Blade Brake Clutch Units OnlyMaintenance Maintenance CleaningClean Grass Build-UpUnder Deck Cleaning the Discharge Tunnel and PlugOnly Cleaning Under the Belt Cover Self-PropelledUnitsCleaning the Blade Brake Clutch Shield Cleaning Under the Cover Plate Non-BladeBrakeWaste Disposal Motor Oil DisposalMaintenance General Storage Information StoragePreparing the Fuel System Preparing the EngineTroubleshooting TroubleshootingCorrective Action TroubleshootingProblem Possible CauseOwner’s Responsibilities Exmark Commercial Turf Equipment1 Year Limited Warranty Instructions for Obtaining Warranty ServiceDescription of Work Done Service RecordService Done By DateMID-MOUNTRIDING ACCESSORIES AND OPTIONS OUT-FRONTRIDING ACCESSORIES AND OPTIONSWALK-BEHINDACCESSORIES AND OPTIONS
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000 & 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.
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