Check Tire Pressures, Check Condition Of Belts

Maintenance

Figure 21

1. Engine	2. Expansion tank

Check Tire Pressures

Service Interval: Every 25 hours

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Check tire pressure in drive tires.

3.Inflate drive tires to 13 psi (90 kPa).

4.Check tire pressure in caster tires.

5.Inflate caster tires to 13 psi (90 kPa).

Check Condition Of Belts

Service Interval: Every 25 hours

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Remove left and right belt shields on deck to inspect deck drive belt.

3.Check under machine to inspect the pump drive belt.

Note: No adjustments are required for belt tension.

Lubricate Grease Fittings

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose gun grease.

Check Spark Plugs

Service Interval: Every 200 hours

Remove spark plugs, check condition and reset gaps, or replace with new plugs. See Engine Owner’s Manual.

Change Fuel Filter

Service Interval: Every 100 hours

A fuel filter is installed between the fuel tank and the engine. Replace when necessary.

Replacement Filters

Briggs & Stratton	Briggs & Stratton
	P/N 691035

Kawasaki	Kawasaki
	P/N 49019-7005

Note: It is important to reinstall the fuel line hoses and secure with plastic ties the same as they were originally installed at the factory to keep the fuel line away from components that could cause fuel line damage.

Change Hydraulic System Filter and Fluid

Service Interval: After the first 100 hours

Every 500 hours thereafter (Every 250 hours if using Mobil 1 15W50)

1.Stop engine, wait for all moving parts to stop, and allow engine to cool. Remove key and engage parking brake.

2.Locate the two filters under the transmissions. Remove filter guards.

3.Carefully clean area around filters. It is important that no dirt or contamination enter hydraulic system.

4.Unscrew filters to remove and allow oil to drain from drive system.

Important: Before reinstalling new filters, apply a thin coat of Exmark Premium Hydro oil on the surface of the filters rubber seal.

Turn the filters clockwise until rubber seal contacts the filter adapter then tighten the filter an additional 3/4 to 1 full turn.

5.Remove the vent plug on each transmission and fill through expansion reservoir, when oil comes out of vent reinstall plug.

Exmark Premium Hydro Oil is recommended. Refer to the chart for an acceptable alternative:

00 & 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.