Exmark COMMERCIAL 21 manual Screws BBC Shield

Page 31

Maintenance

2.Disconnect the wire from the spark plug (see Figure 9 and Figure 10).

3.Pull upward on the back of the cover to unsnap the front and back cover tabs (see Figure 30).

4.Lift off the cover and brush out all the debris around the belt area.

5.Install the belt cover by pushing down on the rear first and then snapping the front onto the mower housing.

6.Connect the wire to the spark plug.

Cleaning the Blade

Brake Clutch Shield

(Blade Brake Clutch Units

Only)

Service Interval: Every 50 hours

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

2.Disconnect the wire from the spark plug (see Figure 9 and Figure 10).

3.Drain the gasoline from the fuel tank. Refer to

Emptying the Fuel Tank and Cleaning the Fuel Filter section.

4.Tip the lawn mower onto its right side (air filter up).

5.Remove the blade nuts and the blade (see Figure 24).

Figure 34

1. Screws

2. BBC Shield

6.Remove the three screws holding the BBC shield onto the unit (see Figure 34).

7.Remove the BBC shield and brush or blow all the debris from under the shield and around the BBC system.

8.Install the BBC shield. Tighten the screws to secure the BBC shield to the deck.

9.Install the blade and the two blade nuts.

10.Turn the lawn mower upright.

11.Connect the wire to the spark plug.

Cleaning Under the Cover

Plate (Non-Blade Brake

Clutch Units Only)

Service Interval: Every 50 hours

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

2.Disconnect the wire from the spark plug (see Figure 9 and Figure 10).

3.Drain the gasoline from the fuel tank. Refer to

Emptying the Fuel Tank and Cleaning the Fuel Filter section.

4.Tip the lawn mower onto its right side (air filter up).

5.Remove the blade bolt, blade support, and the blade (see Figure 24).

 

 

Figure 35

 

1.

Blade bolt

4.

Cover plate

2.

Blade support

5.

Screw

3.Blade

6.Remove the three screws holding the cover plate onto the unit (see Figure 35).

7.Remove the cover plate and brush or blow all the debris from under the plate.

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Contents Commercial California Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesSafety Operation Slope Operation Maintenance and StorageSafety and Instructional Decals 109-9317 116-1922 117-2718 116-2737 Systems SpecificationsDimensions Model NumbersOverall Length and Height at 2 inch Cutting Height Product OverviewControls OperationFuel Shut-Off Valve Pre-StartStarting the Engine Handle AdjustmentOperating Instructions Open the Fuel Shut-Off ValveOperating the Self-Propel Drive Self-Propelled Units Only Stopping the EngineUsing the Mulch Plug 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 section Check for Loose Hardware Service Air Filter ECXHNBBC21 and ECXHN21 Units Service Air Filter Kawasaki UnitsChange Engine Oil Check Condition Of Belt Self-Propelled Units Only Change Oil Filter ECXKA21 and ECXKABBC21Check Spark Plugs Adjusting the Self-Propel Drive Self-Propelled Units Only Emptying the Fuel Tank and Cleaning the Fuel FilterAdjustment of drive cable nuts Cleaning the Discharge Tunnel and Plug Clean Grass Build-Up Under DeckCleaning Under the Belt Cover Self-Propelled Units Only Screws BBC Shield Motor Oil Disposal Waste DisposalGeneral Storage Information StoragePreparing the Fuel System Preparing the EngineProblem Possible Cause Corrective Action TroubleshootingTroubleshooting Exmark Commercial Equipment Page Service Record Page See EXMARK’S Complete Line of Accessories and Options

COMMERCIAL 21 specifications

The Exmark COMMERCIAL 21 is a top-tier commercial lawn mower designed to meet the rigorous demands of professional landscapers and lawn care providers. This robust machine combines innovative technology with ergonomic features to deliver exceptional performance, reliability, and ease of use.

One of the standout features of the COMMERCIAL 21 is its powerful engine. It is equipped with a reliable, high-performance engine that provides plenty of torque and power for tackling tough mowing conditions. This not only ensures efficiency but also enhances productivity, allowing operators to cover large areas in a shorter amount of time.

A significant advantage of the COMMERCIAL 21 is its patented MicroCut™ dual-blade system. This innovative cutting technology enhances the mowing quality by producing finer clippings. This results in an even cut and a higher-quality finish, leaving lawn surfaces looking meticulously manicured. The MicroCut blades are designed to prevent clogging, even in wet conditions, making the mower versatile for various grass types and environments.

Furthermore, the Exmark COMMERCIAL 21 features a durable and robust construction. Its heavy-duty steel deck can withstand the wear and tear of daily use while providing superior performance over time. The 21-inch cutting deck strikes a balance between maneuverability and cutting efficiency, making it ideal for residential areas, tight spots, and larger lawns alike.

When it comes to comfort, the COMMERCIAL 21 has ergonomically designed controls that make operation intuitive and user-friendly. The adjustable handle and padded grips help reduce operator fatigue during long mowing sessions, enabling professionals to work efficiently without discomfort.

For enhanced usability, this mower also has a quick-folding feature, allowing for easy transportation and storage. This attribute saves valuable time on the job site and ensures that the mower is ready to go when needed.

In addition to its robust features, the Exmark COMMERCIAL 21 incorporates user-friendly maintenance protocols. The easy-access engine and blade chambers facilitate routine checks, and the overall design promotes a longer lifespan with minimal maintenance requirements.

Overall, the Exmark COMMERCIAL 21 stands out in the market for its combination of power, performance, and user-centric design, making it an exceptional choice for professionals looking for a reliable and efficient lawn care solution. With its advanced features and technologies, it consistently delivers a superior mowing experience.
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