Exmark 4500-450 manual Servicing the Fuses and Relay, Installing the Battery

Page 37

Maintenance

Voltage

Percent

Maximum

Charging

Reading

Charge

Charger

Interval

 

 

Settings

 

12.6 or

100%

16 volts/7

No

greater

 

amps

Charging

 

 

 

Required

12.4 – 12.6

75–100%

16 volts/7

30 Minutes

 

 

amps

 

12.2 – 12.4

50–75%

16 volts/7

1 Hour

 

 

amps

 

12.0–12.2

25–50%

14.4 volts/4

2 Hours

 

 

amps

 

11.7–12.0

0–25%

14.4 volts/4

3 Hours

 

 

amps

 

11.7 or less

0%

14.4 volts/2

6 Hours or

 

 

amps

More

4.When the battery is fully charged, unplug the charger from the electrical outlet, then disconnect the charger leads from the battery posts (Figure 29).

Figure 29

1.

Negative battery post

3.

Red (+) charger lead

2.

Black (-) charger lead

4.

Positive battery post

3.Install the negative battery cable to the negative (-) battery terminal using the fasteners removed previously.

4.Slide the red terminal boot onto the positive (red) battery post.

5.Secure the battery with the strap (Figure 28).

Servicing the Fuses and Relay

The electrical system is protected by fuses. It requires no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. There is also a replaceable relay/s next to the fuse. Refer to your Parts manual for correct replacement components.

Fuse Block:

•Main fuse: 25 amp fuse, blade-type

•Charge Circuit: 20 amp fuse, blade-type

•Auxiliary circuit: 15 amp fuse, blade-type

•Diode: TVS

1.Raise the seat to gain access to the fuse holder (Figure 30).

Note: Do Not run the machine with the battery disconnected, electrical damage may occur.

Installing the Battery

1.Position the battery in the tray with the terminal posts toward the operating position (Figure 28).

2.Install the positive (red) battery cable to the positive (+) battery terminal using the fasteners removed previously.

Figure 30

1.

Cover

4.

Charge–20 amp

2.

Relay

5.

Main–25 amp

3.

Auxilliary–15 amp

6.

Diode

2.Remove cover as shown in Figure 30.

3.To replace a fuse, pull out on the fuse to remove it

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Contents Quest California Introduction Contents Safety Alert Symbol SafetySafe Operating Practices General OperationSlope Operation ServiceChildren TowingGeneral Service Exmark Riding Mower Safety93-7009 Safety and Instructional Decals109-6035 116-0532 PTO Symbols 109-8965 Model Numbers SpecificationsSystems Dimensions Torque Requirements Product OverviewControls OperationOperating Instructions Think Safety FirstParking Brake Lever Height-of-Cut Foot LeverRecommended Gasoline Checking the Engine Oil Level Using Stabilizer/ConditionerStarting the Engine Gasoline/Alcohol blendsStopping the Engine Operating the BladesEngaging the Blades Disengaging the BladesUnderstanding the Safety Interlock System Safety Interlock SystemTesting the Safety Interlock System Driving Forward or BackwardStopping the Machine Adjusting the Height of CutForward BackwardGround. Do Not adjust rollers to support the deck Adjusting the Anti-Scalp RollersPositioning the Seat Changing the Seat Ride Suspension Adjusting the Motion Control LeversPushing the Machine by Hand Transporting Side DischargeTo Operate the Machine Transporting a UnitOperating Tips Keep the Underside of the Mower Clean When StoppingBlade Maintenance Cutting SpeedRecommended Maintenance Schedules MaintenanceRaising the Seat Accessing the BatteryLubrication Greasing the BearingsServicing the Air Cleaner Engine MaintenanceServicing Paper Element Checking the Oil Level Servicing the Engine OilChanging the Oil and Filter Remove the foam sleeve from the elementChecking the Hydraulic Oil Level Servicing the Spark Plug Change the Hydraulic System FilterInstalling the Spark Plug Cleaning the Blower HousingRemoving the Spark Plug Checking the Spark PlugElectrical System Maintenance Fuel System MaintenanceReplacing the Fuel Filter Fuel filter is in the fuel line between the tank and engineRemoving the Battery Charging the BatteryCharging the Battery Servicing the Fuses and Relay Installing the BatteryMower Maintenance Servicing the Cutting Blades Drive System Maintenance Checking the Tire PressureBefore Inspecting or Servicing the Blades Inspecting the BladesChecking for Loose Blades or Damaged Spring Disc Washers Removing the BladesInstalling the Blades Mower Belt MaintenanceSharpening the Blades Inspecting the BeltsOff 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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