Exmark 4500-450 Fuel System Maintenance, Electrical System Maintenance, Replacing the Fuel Filter

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Maintenance

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 the neutral position, 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 27

1.

Fuel tank

6.

Hose clamps

2.

Fuel shut off valve—off

7.

Fuel line to engine

3.

Fuel shut off valve

8.

Filter

4.

Fuel shut off valve—on

9.

Flow direction arrow

5.Fuel line from tank

4.Turn fuel shut off valve 90° to “off ” position.

5.Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 27).

6.Remove the filter from the fuel lines.

7.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 27) to secure it in place.

8.Turn fuel shut off valve back to “on” position.

Electrical System

Maintenance

WARNING

CALIFORNIA

Proposition 65 Warning

Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.

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Contents Quest California Introduction Contents General Operation SafetySafety Alert Symbol Safe Operating PracticesTowing ServiceSlope Operation ChildrenGeneral Service Exmark Riding Mower Safety93-7009 Safety and Instructional Decals109-6035 116-0532 PTO Symbols 109-8965 Systems SpecificationsModel Numbers Dimensions Torque Requirements Product OverviewControls OperationHeight-of-Cut Foot Lever Think Safety FirstOperating Instructions Parking Brake LeverRecommended Gasoline Gasoline/Alcohol blends Using Stabilizer/ConditionerChecking the Engine Oil Level Starting the EngineDisengaging the Blades Operating the BladesStopping the Engine Engaging the BladesDriving Forward or Backward Safety Interlock SystemUnderstanding the Safety Interlock System Testing the Safety Interlock SystemBackward Adjusting the Height of CutStopping the Machine ForwardPositioning 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 Transporting a Unit Side DischargeTransporting To Operate the MachineOperating Tips Cutting Speed When StoppingKeep the Underside of the Mower Clean Blade MaintenanceRecommended Maintenance Schedules MaintenanceGreasing the Bearings Accessing the BatteryRaising the Seat LubricationServicing Paper Element Engine MaintenanceServicing the Air Cleaner Remove the foam sleeve from the element Servicing the Engine OilChecking the Oil Level Changing the Oil and FilterChecking the Hydraulic Oil Level Servicing the Spark Plug Change the Hydraulic System FilterChecking the Spark Plug Cleaning the Blower HousingInstalling the Spark Plug Removing the Spark PlugFuel filter is in the fuel line between the tank and engine Fuel System MaintenanceElectrical System Maintenance Replacing the Fuel FilterCharging the Battery Charging the BatteryRemoving the Battery Servicing the Fuses and Relay Installing the BatteryInspecting the Blades Drive System Maintenance Checking the Tire PressureMower Maintenance Servicing the Cutting Blades Before Inspecting or Servicing the BladesChecking for Loose Blades or Damaged Spring Disc Washers Removing the BladesInspecting the Belts Mower Belt MaintenanceInstalling the Blades Sharpening the BladesOff the clutch pulley as shown in and Figure Leveling the Mower DeckFront-to-Rear Blade Slope Adjusting the Blade SlopeDeck lift arm Deck hanger Float retaining nut Locate items shown in Figure Replacing the Discharge DeflectorWashing the Underside of the Mower Tracking AdjustmentMaintenance Storage Cleaning and StorageProblem Possible Cause Corrective Action TroubleshootingTo Pushing the Machine by Hand Diagram SchematicsElectrical 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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