Contents

 

Introduction

3

Safety

5

Safety Alert Symbol

5

Safe Operating Practices

5

Safety and Instructional Decals

9

Specifications

11

Model Numbers

11

Systems

11

Dimensions

11

Product Overview

12

Operation

13

Controls

13

Pre-Start

14

Operating Instructions

15

Maintenance

21

Recommended Maintenance Schedule(s)

21

Periodic Maintenance

22

Check Engine Oil Level

22

Checking the Blade Brake Clutch (Blade

 

Brake Clutch Only)

22

Check the Mower Blade

22

Check for Loose Hardware

24

Check the Blade Brake Clutch Bail

 

Operation (Blade Brake Clutch Units

 

Only)

24

Service Air Filter (Kawasaki Units)

25

Service Air Filter (ECXHNBBC21 and

 

ECXHN21 Units)

25

Change Engine Oil

26

Change Oil Filter (ECXKA21 and

 

ECXKABBC21)

27

Check Condition Of Belt (Self-Propelled

 

Units Only)

27

Check Spark Plugs

27

Emptying the Fuel Tank and Cleaning the

 

Fuel Filter

28

Adjustments

28

Adjusting the Self-Propel Drive

 

(Self-Propelled Units Only)

28

Adjusting the Blade Brake Cable (Blade

 

Brake Clutch Units Only)

29

Cleaning

30

Clean Grass Build-Up Under Deck

30

Cleaning the Discharge Tunnel and

 

Plug

30

Cleaning Under the Belt Cover

 

(Self-Propelled Units Only)

30

Cleaning the Blade Brake Clutch Shield

 

(Blade Brake Clutch Units Only)

31

Cleaning Under the Cover Plate (Non-Blade

 

Brake Clutch Units Only)

31

Waste Disposal

32

Storage

33

Preparing the Fuel System

33

Preparing the Engine

33

General Storage Information

33

Removing the Lawn Mower from

 

Storage

33

Troubleshooting

34

4

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Exmark COMMERCIAL 21 manual Contents

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 MicroCutâ„¢ 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.