Adjusting the Anti-Scalp Rollers

Operation

ground. Do Not adjust rollers to support the deck.

Figure 10

1.	Transport release handle	3.	Height adjuster pin
2.	Height-of-cut positions	4.	Foot actuated
			height-of-cut lever

2.Move the deck height adjuster pin to the desired cut height.

3.Push the foot lever forward, pull the transport release handle up and let the deck lower down to the predetermined cut height by slowly decreasing foot pressure allowing the foot lever to travel rearward.

It is recommended to change the anti-scalp roller position when the height of cut has changed.

1.Stop the machine and move the drive levers to the neutral lock position.

2.Disengage the PTO.

3.Engage the park brake.

4.Stop the engine, remove the key and wait for all moving parts to stop.

5.After adjusting the height of cut, adjust the anti-scalp rollers by removing the nyloc nut.

6.Adjust the anti-scalp rollers for the normal operating conditions. Place rollers in one of the positions shown in Figure 11. Rollers will maintain 3/4 inches (19 mm) clearance to the ground to minimize gouging and roller wear or damage.

Note: For Maximum Deck Flotation, place the rollers one hole position lower. Rollers should maintain 1/4 inch (6.35 mm) clearance to the

Figure 11

For cutting heights above 3 1/2 inches (38 mm) use the bottom hole. The rollers will still be effective against scalping.

1. Anti-scalp roller	2. Cutting height
mounting bracket

7.Torque hardware to 27-33 ft-lb (37-45 N-m) or loss of roller may result.

Positioning the Seat

The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable.

•48 and 52 Inch Units:

1.Push the adjustment lever towards the center of the machine to release the seat adjuster track (Figure 12).

Figure 12

1.Adjustment lever

2.Move the seat to the desired position and release the lever to lock in that position.

•42 Inch Unit:

4500-450 specifications

The Exmark 4500-450 is a top-tier commercial-grade zero-turn mower that has gained immense popularity among landscaping professionals for its advanced features, superior performance, and durability. Designed to tackle the toughest mowing tasks, the 4500-450 stands out for its reliability and innovative technologies.

One of the defining characteristics of the Exmark 4500-450 is its powerful engine. Equipped with a robust Kohler or Kawasaki engine, this model delivers impressive horsepower, ensuring that it can handle even the most demanding terrains with ease. This power allows for efficient cutting, enabling users to complete jobs more quickly without sacrificing quality.

The Exmark 4500-450 features a commercial-grade cutting deck that is fully adjustable to provide a clean and professional-looking cut. Its cutting width can range from 48 to 60 inches, making it versatile enough to handle various lawn sizes and types. The deck is designed with a unique airflow management system that optimizes grass lift, ensuring even and consistent results.

One of the standout technologies in the Exmark 4500-450 is its patented UltraCut deck design. This innovative feature promotes superior cutting performance while reducing clumping and providing a finer mulching capability. Additionally, the deck is designed for easy cleaning, which helps maintain the mower’s performance over time.

Comfort and usability are top priorities for the Exmark 4500-450. It boasts an ergonomic seat with high back support, reducing operator fatigue during long mowing sessions. The intuitive control system allows for smooth maneuverability, even in tight spaces, making it ideal for commercial landscaping work.

Moreover, the Exmark 4500-450 is built with durability in mind. Constructed from high-quality materials, it is designed to withstand the rigors of daily use. Its heavy-duty frame and components contribute to its long lifespan, ensuring that it remains a reliable workhorse for years to come.

In conclusion, the Exmark 4500-450 is an exceptional choice for professionals seeking a powerful, efficient, and durable zero-turn mower. With its high-performance engine, innovative cutting technologies, and user-friendly features, it sets a standard in commercial landscaping equipment, delivering results that exceed expectations while making the mowing process as efficient and comfortable as possible.