Exmark 4500-686 Rev. B manual Change Oil Filter ECXKA21 and ECXKABBC21, Check Spark Plugs

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Maintenance

13.Connect the wire to the spark plug.

14.Recycle the used oil according to local codes.

Change Oil Filter (ECXKA21 and ECXKABBC21)

Service Interval: Every 100 hours

1.Run the engine to warm the oil.

2.Stop the engine and wait for all moving parts to stop.

3.Disconnect the wire from the spark plug.

4.Drain the engine oil.

5.Place a rag under the oil filter to catch any oil that may leak out as you remove the filter.

6.Remove the oil filter.

7.Use your finger to coat the gasket on the new filter with clean Exmark 4–Cycle Premium Engine oil (see Figure 30).

Figure 30

1.Gasket

8.Install the new filter and hand tighten it 2/3 turn only.

9.Fill the crankcase as stated in Check Engine Oil Level section. Exmark 4–Cycle Premium Engine oil is recommended. Refer to the Engine Owner’s Manual for an acceptable alternative.

10.Connect the wire to the spark plug.

11.Run the engine for about 3 minutes.

12.Stop the engine, wait for all moving parts to stop, and check for oil leakage around the filter.

13.Add oil to compensate for the oil in the oil filter.

14.Recycle the used oil filter according to local codes.

Check Condition Of Belt (Self-Propelled Units Only)

Service Interval: Every 40 hours

1.Stop engine, wait for all moving parts to stop.

2.Remove the belt cover to the lawn mower housing.

3.Check the belt for cracks, frayed edges, burn marks or any other damage.

4.Replace the damaged belt.

Check Spark Plugs

Service Interval: Every 100 hours

1.Stop the engine and wait for all moving parts to stop.

2.Disconnect the wire from the spark plug (Figure 10 and Figure 11).

3.Clean around the spark plug.

4.Remove the spark plug from the cylinder head.

Note: Replace a cracked, fouled, or dirty spark plug. Do Not clean the electrodes because grit entering the cylinder can damage the engine.

5.Set the gap on the plug to 0.030 inch (0.76 mm) (Figure 31).

 

Figure 31

1. Side electrode

3. Air gap—0.030 inch

 

(0.76 mm)

2.Center electrode insulator

6.Install the spark plug and the gasket seal.

7.Torque the plug to 17 ft-lb (23 N-m).

8.Connect the wire to the spark plug.

Emptying the Fuel Tank and Cleaning the Fuel Filter

Service Interval: Every 100 hours

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Contents Commercial California Introduction Contents Safety Alert Symbol SafetySafe Operating Practices TrainingSafety Operation Slope Operation Maintenance and StorageSafety and Instructional Decals 109-9317 116-1922 116-2685 117-2718 116-1900 116-2737 Dimensions SpecificationsModel Numbers SystemsOperation Product OverviewControls Blade Control BailThrottle-Choke Lever ECXHN21 Engine Stop SwitchChoke Control ECXHNBBC21 Blade Control Lock Lever Blade Brake Clutch Units OnlyOperating Instructions Handle AdjustmentPre-Start Starting the Engine Open the Fuel Shut-Off ValveStopping the Engine Using the Mulch PlugAuthorized Service Dealer Adjusting the Cutting Height Test Using the Grass BagUsing the Grass Bag Operating Tips Recommended Maintenance Schedules MaintenanceChecking the Blade Brake Clutch Blade Brake Clutch Only Check Engine Oil LevelCheck the Mower Blade Emptying the Fuel Tank and Cleaning the Fuel Filter sectionCheck for Loose Hardware Service Air Filter ECSHN21 Units Service Air Filter Kawasaki UnitsDamaged or excessively dirty Service Air Filter ECXHNBBC21 and ECXHN21 UnitsChange Engine Oil Change Oil Filter ECXKA21 and ECXKABBC21 Emptying the Fuel Tank and Cleaning the Fuel FilterCheck Condition Of Belt Self-Propelled Units Only Check Spark PlugsAdjusting the Self-Propel Drive Self-Propelled Units Only AdjustmentsAdjustment of drive cable nuts Cleaning Under the Belt Cover Self-Propelled Units Only Clean Grass Build-Up Under DeckCleaning the Discharge Tunnel and Plug Screws BBC Shield Motor Oil Disposal Waste DisposalPreparing the Fuel System StoragePreparing the Engine General Storage InformationProblem Possible Cause Corrective Action TroubleshootingTroubleshooting Exmark Commercial Turf Equipment Page See EXMARK’S Complete Line of Accessories and Options

4500-686 Rev. B specifications

The Exmark 4500-686 Rev. B is a cutting-edge commercial mower that embodies the perfect blend of performance, durability, and user-friendly features. Designed for professional landscapers and grounds maintenance professionals, this mower is built to handle the rigorous demands of large properties and commercial applications.

One of the standout features of the Exmark 4500-686 Rev. B is its powerful engine. Equipped with a robust EFI (Electronic Fuel Injection) engine, it delivers exceptional power and fuel efficiency. The engine's advanced technology allows for quicker starts and better throttle response, ensuring that users can tackle their mowing tasks without any delays. This efficiency translates into reduced operating costs and less time spent refueling.

Another notable technology integrated into this mower is the UltraCut deck system. The 4500-686 Rev. B features a precision-engineered cutting deck that provides a superior cutting performance, offering an even and professional finish to any lawn. The design promotes optimal airflow beneath the deck, resulting in better grass lift and dispersion, which reduces clumping and enhances the quality of the cut. Additionally, the cutting height is easily adjustable, allowing operators to customize their mowing according to specific turf conditions.

User comfort is a paramount consideration in the design of the Exmark 4500-686 Rev. B. The mower is equipped with an ergonomic seat and controls that minimize operator fatigue during extended use. The full-suspension seat absorbs shocks and vibrations, while the easy-to-use controls allow for intuitive operation, ensuring that mowing is a seamless and productive experience.

Durability is another key characteristic of the 4500-686 Rev. B. Built with high-quality materials and components, this mower is designed to withstand the wear and tear of everyday use. The frame is reinforced to provide added strength, while the corrosion-resistant coating ensures that it maintains its appearance and functionality over time.

In conclusion, the Exmark 4500-686 Rev. B is an exceptional choice for anyone looking for a reliable and efficient commercial mower. With its powerful EFI engine, advanced cutting technologies, emphasis on operator comfort, and rugged build quality, this mower offers unmatched performance in the field. Whether for professional landscaping or maintaining large properties, the Exmark 4500-686 Rev. B is engineered to meet the demands of any mowing job.