Exmark 4500-450 manual Operating the Blades, Stopping the Engine, Engaging the Blades

Page 20

Operation

2. Move the throttle midway to the Fast position.

Note: Always engage the blades with the throttle in the midway position.

3. Pull out on the blade control switch, to the On position, to engage the blades (Figure 8).

Figure 7

1.

Throttle/Choke lever

5.

Run

2.

Blade control

6.

Start

 

switch—Off position

 

 

3.

Ignition key

7.

Choke

4.

Off

8.

Throttle–fast (detent

 

 

 

position)

3.Move the lever forward, beyond the detent, to engage the choke before starting a cold engine (Figure 7).

Note: A warm or hot engine may not require choking.

4.Turn the ignition key to Start to energize the starter. When the engine starts, release the key (Figure 7).

Important: Do Not engage the starter for more than 5 seconds at a time. If the engine fails to start, allow a 60 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor.

5.Once the engine starts, move the lever to the detent position. If the engine stalls or hesitates, move the lever partially forward for a few seconds.

Operating the Blades

The blade control switch, represented by a power take-off (PTO) symbol, engages and disengages power to the mower blades. This switch controls power to any attachments that draw power from the engine, including the mower deck and cutting blades.

Engaging the Blades

1.Release pressure on the motion control levers and place the machine in neutral.

 

Figure 8

1. Throttle–Midway

2. Blade control

position

switch—On position

4.Move throttle to full forward position before mowing.

Disengaging the Blades

Set throttle to midway position. Push the blade control switch to Off to disengage the blades (Figure 7).

Stopping the Engine

1.Bring the unit to a full stop.

2.Disengage the PTO.

3.Move the motion control levers out to the neutral lock position.

4.Engage the parking brake.

5.Place the throttle midway between the “SLOW” and “FAST” positions.

6.Allow the engine to run for a minimum of 15 seconds, then turn the ignition switch to the “OFF” position to stop the engine.

7.Remove the key to prevent children or other unauthorized persons from starting engine.

8.Close the fuel shut-off valve when the machine will not be in use for a few days, when transporting, or when the unit is parked inside a building.

20

Image 20
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 Systems SpecificationsModel Numbers 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 BackwardPositioning the Seat Adjusting the Anti-Scalp RollersGround. Do Not adjust rollers to support the deck Pushing the Machine by Hand Adjusting the Motion Control LeversChanging the Seat Ride Suspension 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 BearingsServicing Paper Element Engine MaintenanceServicing the Air Cleaner 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 Charging the BatteryRemoving 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.