Maintenance

Figure 11

1.Install bushing in blade prior to installing bushing in spindle.

B.Install bushing/blade combo into spindle.

Figure 12

WARNING

Incorrect installation of the blade or components used to retain the blade can be dangerous. Failure to use all original components and assembled as shown could allow a blade or blade component to be thrown out from under the deck resulting in serious personal injury or death.

Always install the original Exmark blades, blade bushings, and blade bolts as shown.

Check Safety Interlock System

Service Interval: Before each use or daily

1. Check starting circuit. Starter should crank with:

Operator Presence Control levers depressed,

speed control lever in neutral, and PTO

disengaged.

Try to start the engine with OPC levers

disengaged, speed control lever in neutral and

PTO disengaged-starter must not crank.

Try to start with, OPC levers depressed, speed

control lever in any speed but neutral and PTO

disengaged-starter must not crank.

1.Use wrench here for blade installation. This nut has been torqued to 90–110 ft-lb (122–149 N-m)

2.Torque to 55-60 ft-lb (75-81 N-m) Apply lubricant to threads as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute.

Try to start with OPC levers depressed,

speed control lever in neutral and PTO

engaged-starter must not crank. .

2. Check OPC circuits. Clear the area. Run engine

at one-third throttle, then, with drive levers and

neutral lock latches in neutral lock position,

C.Apply lubricant to threads of blade bolt as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute. Install blade bolt finger tight. Place wrench on the top spindle nut then torque the blade bolts to 55-60 ft-lb (75-81 N-m).

move the speed control lever out of neutral and

release OPC levers engine must stop. Again,

run engine at one-third throttle, move the speed

control lever to neutral, engage PTO and release

OPC levers-engine must stop.

Note: Park brake must be disengaged before the speed control lever is moved out of neutral or engine will kill.

Note: If machine does not pass any of these tests, do not operate. Contact your authorized EXMARK

SERVICE DEALER.

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

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Image 25
Exmark 4500-528 manual Check Safety Interlock System
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4500-528 specifications

The Exmark 4500-528 is a formidable piece of equipment in the realm of professional landscaping and lawn maintenance. Renowned for its robust build and high-performance capabilities, this zero-turn mower is engineered for efficiency, agility, and maneuverability, making it an ideal choice for both commercial landscapers and passionate homeowners.

One of the standout features of the Exmark 4500-528 is its powerful engine. It is equipped with a reliable engine option that delivers impressive horsepower, allowing for faster mowing speeds and better handling of various terrains. The mowers are designed to tackle even the toughest grass conditions, making them suitable for large lawns and challenging landscapes.

The 4500-528 incorporates Exmark’s patented UltraCut deck design, which is specifically designed to optimize mowing efficiency. The deck's advanced cutting technology ensures a clean, even cut, promoting healthier grass growth while minimizing clumping and discharge issues. Furthermore, the mower is available in different cutting deck sizes, allowing users to choose based on their specific requirements and preferences.

Operator comfort is another hallmark of the Exmark 4500-528. The mower features a comfortable, adjustable seat, allowing users to maintain optimal posture during extended mowing sessions. With intuitive controls and a user-friendly interface, operators can easily manage the mower's numerous functions, including speed adjustments and deck height settings.

In terms of durability, the Exmark 4500-528 is built to last. Its heavy-duty frame and high-quality components ensure that it can withstand the rigors of professional use. The mower's tires are designed for traction and stability on various surfaces, enhancing its performance in different weather conditions.

Another impressive characteristic of the Exmark 4500-528 is its fuel efficiency. It is designed to maximize fuel economy while maintaining powerful performance, reducing operational costs for users. Additionally, the ease of maintenance associated with the mower ensures that it remains in top working condition with minimal effort.

Lastly, the Exmark 4500-528 is equipped with cutting-edge technologies, including improved steering control and enhanced safety features. These advancements not only make operations smoother but also enhance the safety of the operator and bystanders.

In summary, the Exmark 4500-528 is a premier zero-turn mower that combines power, precision, comfort, and durability, making it an essential asset for anyone serious about lawn care. Whether for commercial purposes or personal use, this mower delivers exceptional performance and extensive versatility.
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