Cleaning the Blower Housing

Maintenance

Service Interval: Every 100 hours/Yearly (whichever comes first) More often under dirty conditions.

To ensure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times.

1.Remove the blower housing and any other cooling shrouds.

2.Clean the cooling fins and external surfaces as necessary.

3.Make sure the cooling shrouds are reinstalled

Important: Operating the engine with a blocked grass screen, dirty or plugged cooling fins, and/or cooling shrouds removed, will cause engine damage due to overheating.

Fuel System Maintenance

Replacing the Fuel Filter

Service Interval: Every 100 hours/Yearly (whichever comes first)

DANGER

In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.

•Perform any fuel related maintenance when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills.

•Never smoke when draining gasoline, and stay away from an open flame or where a spark may ignite the gasoline fumes.

Never install a dirty filter if it is removed from the fuel line.

1.Park the machine on a level surface and disengage the blade control switch.

2.Move the motion control levers outward to engage parking brake, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

3.The fuel filter is in the fuel line between the tank and engine.

Figure 28

1.	Tee fitting, vent line	5.	In-line fuel filter
2.	Emissions filter	6.	Flow direction arrow
3.	Open port	7.	Fuel line to engine
4.	Fuel line from tank	8.	Hose clamp

4.Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 28).

5.Remove the filter from the fuel lines.

6.Install a new filter with the flow direction arrow coming from the fuel tank and pointing to the engine. Move the hose clamps close to the filter (Figure 28) to secure it in place.

Servicing the Emissions Filter

Service Interval: Yearly

The machine is equipped with a emissions filter (Figure 28) connected to a tee fitting on the vent line coming from the gas tank. The filter has an open port by design. The filter should be inspected regularly. Replace the filter if the filter is dirty or clogged.

4501-191 Rev.A specifications

The Exmark 4501-191 Rev.A is a cutting-edge lawn mower designed to deliver exceptional performance and efficiency for both residential and commercial users. With its robust build and advanced technology, this model has quickly gained popularity among landscapers and homeowners alike.

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One of the remarkable technologies integrated into the Exmark 4501-191 Rev.A is its efficient fuel system. The mower is engineered to maximize fuel efficiency, allowing users to extend their mowing sessions without the frequent need to refuel. This feature not only saves time but also reduces overall operating costs, making the mower a cost-effective choice for users with large properties.

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Maintenance is simplified with the Exmark 4501-191 Rev.A, allowing users to focus on lawn care rather than upkeep. The model is built with durable materials, ensuring longevity and reducing wear and tear. Clear access points for cleaning and maintenance further enhance user convenience, making it easy to keep the mower in top shape.

In summary, the Exmark 4501-191 Rev.A is a high-performance lawn mower that combines power, efficiency, and ease of use. With its advanced engine, innovative cutting system, and user-friendly design, it stands out as an excellent choice for anyone looking to achieve a beautifully manicured lawn. Whether for commercial or residential use, this mower is a reliable tool that promises exceptional results.

Exmark 4501-191 Rev.A manual Cleaning the Blower Housing, Fuel System Maintenance

Models: 4501-191 Rev.A