Troubleshooting

Troubleshooting

Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower use.

When a problem occurs, Do Not overlook the simple causes. For example: starting problems could be caused by an empty fuel tank.

The following table lists some of the common causes of trouble. Do Not attempt to service or replace major items or any items that call for special timing or adjustment procedures (such as valves, governor, etc.). Have this work done by your Engine Service Dealer.

Note: When disconnecting electrical connectors Do Not pull on the wires to separate the connectors.

Problem		Possible Cause		Corrective Action

Abnormal vibration.	1.	Cutting blade(s) is/are bent or unbalanced.	1.	Install new cutting blade(s).
	2.	Blade mounting bolt is loose.	2.	Tighten the blade mounting bolt.
	3.	Loose blower pulley or pulley assembly.	3.	Tighten the appropriate pulley.
	4.	Blower impeller blades are bent.	4.	Contact an Authorized Service Dealer.

Blower drive belt snaps or breaks frequently.	1.	Idler arm is out of alignment.	1.	Correct the alignment of the idler arm.

Excessive grass blowout from the deck.	1.	Bags are full.	1.	Empty bags more frequently.
	2.	Plugged screen in bagger hopper.	2.	Remove debris, leaves or grass clippings
				from the screen.
	3.	Ground speed is too fast.	3.	Drive slower at full throttle.
	4.	Blower belt is worn, loose, or broken.	4.	Install new blower belt.
	5.	Plugged tube or blower.	5.	Locate and remove plugged debris.
	6.	Conditions are dry.	6.	Use lower lift blade.

Blower and tubes plug too frequently.	1.	Bags are too full.	1.	Empty bags more frequently
	2.	Ground speed is too fast.	2.	Drive slower at full throttle.
	3.	Grass is too wet.	3.	Cut grass when it is dry.
	4.	Grass is too long.	4.	Cut grass more frequently or at higher cut
				height.
	5.	Plugged screen in bagger hopper.	5.	Remove debris, leaves, or grass clippings
				from the screen.
	6.	Blower drive belt is worn, loose, or	6.	Install new belt.
		broken.
	7.	Blower is plugged.	7.	Use low lift blades in wet conditions.

Blower impeller does not spin freely.	1.	Plugged blower.	1.	Remove debris, leaves, or grass clippings
				from the blower impeller.
	2.	Impeller not aligned.	2.	Contact an Authorized Service Dealer.

Plowing leaves.	1.	Deck is too low.	1.	Raise the deck slightly.

Chasing leaves.	1.	Blowout from deck.	1.	Check for clogged tubes.
	2.	Hopper is full.	2.	Dump more frequently.

Blower components show signs of wear	1.	Sand or dry conditions.	1.	Use low lift blades on the cutting
and/or air cleaners and cooling fins are dirty.				deck and higher cutting heights.
				Clean air cleaners and cooling fins
				frequently.

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.

Problem

Possible Cause

Corrective Action

000 & higher, 850 specifications