Exmark 4500-450 manual Changing the Seat Ride Suspension, Adjusting the Motion Control Levers

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Operation

1.Tip the seat forward.

2.Loosen the knob.

3.Move the seat to the desired position.

4.Tighten the knob.

5.Tip the seat back tot he closed position.

Changing the Seat Ride Suspension

The number of seat springs can be changed to maximize rider comfort. More springs should be used with heavier operators and on rough terrain. Fewer springs should be used with lighter operators and when mowing smooth, well established lawns. Always keep the number of springs on the left and right side the same when adding and removing springs.

Figure 13

1.

Bolt

3.

Nut

2.

Spring

4.

Additional mounting

 

 

 

holes

Up to five springs can be secured to the seat box with a nut and bolt, see Figure 13.

Refer to your Parts Manual for spring and hardware part numbers.

Adjusting the Motion Control Levers

Adjusting the Height

The motion control levers can be adjusted higher or lower for maximum operator comfort.

1.Remove the two bolts holding the control lever to the control arm shaft (Figure 14).

Figure 14

1.

Bolt

4.

Control arm shaft

2.

Washer

5.

Nut

3.Control lever

2.Move the control lever to the next set of holes. Secure the lever with the two bolts.

3.Repeat the adjustment for the opposite control lever.

Adjusting the Tilt

The motion control levers can be tilted fore or aft for maximum operator comfort.

1.Loosen the upper bolt holding the control lever to the control arm shaft.

2.Loosen the lower bolt just enough to pivot the control lever fore or aft (Figure 14). Tighten both bolts to secure the control in the new position.

3.Repeat the adjustment for the opposite control lever.

Pushing the Machine by Hand

Important: Always push the machine by hand. Never tow the machine because damage may occur.

To Push the Machine

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

2.Move the motion control levers outward to neutral position, engage parking brake, stop the

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Contents Quest California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices General OperationService Slope OperationChildren TowingExmark Riding Mower Safety General ServiceSafety and Instructional Decals 93-7009109-6035 116-0532 PTO Symbols 109-8965 Specifications Model NumbersSystems Dimensions Product Overview Torque RequirementsOperation ControlsThink Safety First Operating InstructionsParking Brake Lever Height-of-Cut Foot LeverRecommended Gasoline Using Stabilizer/Conditioner Checking the Engine Oil LevelStarting the Engine Gasoline/Alcohol blendsOperating the Blades Stopping the EngineEngaging the Blades Disengaging the BladesSafety Interlock System Understanding the Safety Interlock SystemTesting the Safety Interlock System Driving Forward or BackwardAdjusting the Height of Cut Stopping the MachineForward BackwardAdjusting the Anti-Scalp Rollers Ground. Do Not adjust rollers to support the deckPositioning the Seat Adjusting the Motion Control Levers Changing the Seat Ride SuspensionPushing the Machine by Hand Side Discharge TransportingTo Operate the Machine Transporting a UnitOperating Tips When Stopping Keep the Underside of the Mower CleanBlade Maintenance Cutting SpeedMaintenance Recommended Maintenance SchedulesAccessing the Battery Raising the SeatLubrication Greasing the BearingsEngine Maintenance Servicing the Air CleanerServicing Paper Element Servicing the Engine Oil Checking the Oil LevelChanging the Oil and Filter Remove the foam sleeve from the elementChecking the Hydraulic Oil Level Change the Hydraulic System Filter Servicing the Spark PlugCleaning the Blower Housing Installing the Spark PlugRemoving the Spark Plug Checking the Spark PlugFuel System Maintenance Electrical System MaintenanceReplacing the Fuel Filter Fuel filter is in the fuel line between the tank and engineCharging the Battery Removing the BatteryCharging the Battery Installing the Battery Servicing the Fuses and RelayDrive System Maintenance Checking the Tire Pressure Mower Maintenance Servicing the Cutting BladesBefore Inspecting or Servicing the Blades Inspecting the BladesRemoving the Blades Checking for Loose Blades or Damaged Spring Disc WashersMower Belt Maintenance Installing the BladesSharpening the Blades Inspecting the BeltsLeveling the Mower Deck Off the clutch pulley as shown in and FigureAdjusting the Blade Slope Front-to-Rear Blade SlopeDeck lift arm Deck hanger Float retaining nut Replacing the Discharge Deflector Locate items shown in FigureTracking Adjustment Washing the Underside of the MowerMaintenance Cleaning and Storage StorageTroubleshooting Problem Possible Cause Corrective ActionTo Pushing the Machine by Hand Schematics DiagramElectrical Logic Schematic Exmark Quest Turf Equipment Service Record Page Page See EXMARK’S Complete Line of Accessories and Options

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.
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