Maintenance

Note: Determine the left and right sides of the machine from the normal operating position.

WARNING

If you leave the wire on the spark plug, someone could accidentally start the engine. Accidental starting of the engine could seriously injure you or other bystanders.

Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.

WARNING

Tipping the lawn mower may cause the fuel to leak from the carburetor or the fuel tank. Gasoline is extremely flammable, highly explosive, and under certain conditions, can cause personal injury or property damage.

Avoid fuel spills by running the engine dry or by removing the gasoline with a hand pump; never siphon.

WARNING

The engine can become very hot. Touching a hot engine can cause severe burns.

Allow the engine to cool completely before service or making repairs around the engine area.

Recommended Maintenance Schedule(s)

	Maintenance Service	Maintenance Procedure
	Interval	Maintenance Procedure
	Interval

	After the first 5 hours	• Change the engine oil.

		• Check the engine oil level.
		• Check the stopping time of the blade brake. The blade must stop within 3 seconds of
		releasing the bail; if it does not, contact an Authorized Service Dealer for repair.
	Before each use or daily	• Check the mower blade and the engine mounting fasteners.
	Before each use or daily	• Check for loose hardware.
		• Check for loose hardware.
		• Check the Blade Brake Clutch Bail operation (Blade Brake Clutch Units Only)
		• Clean the grass build-up from under the deck.
		• Clean the discharge tunnel and plug.

		• Clean the foam pre-cleaner (Kawasaki Units).
	Every 25 hours	• Clean the cover, base, foam and paper elements (EC21ASHN Units).
		• Clean the cover, base, foam and paper elements (EC21HNBBC and EC21HNBBCX Units).

	Every 40 hours	• Check the condition of the belt(s).

		• Change the engine oil. (May need more often under severe conditions.)
		• Check for leaks in the fuel systems and /or deteriorating fuel hose.
	Every 50 hours	• Clean under the belt cover (self-propelled units only).
		• Clean the blade brake clutch shield.
		• Clean under the cover plate (Non-BBC Units).

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.