Exmark 4501-191 Rev.A Servicing the Fuses, Drive System Maintenance Checking the Tire Pressure

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Maintenance

Servicing the Fuses

Service Interval: As required

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.

Fuse:

•Main F1-30 amp, blade-type

•Charge Circuit F2-25 amp, blade-type

1.Remove the four screws securing the control panel to the machine. Retain all fasteners

2.Lift the control pane up to access the main wiring harness and fuse block (Figure 31).

3.To replace a fuse, pull out on the fuse to remove it (Figure 31).

Figure 31

1. Main-30 amp

2. Charge circuit-25 amp

4.Return the control panel to its original position. Use the four screws removed previously to secure the panel to the machine.

Drive System Maintenance

Checking the Tire Pressure

Service Interval: Every 25 hours/Monthly (whichever comes first)

Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem (Figure 32).

Check the tires when they are cold to get the most accurate pressure reading.

Rear Tires: 13 psi (90 kPa)

Front Tires (caster wheels):

•Ribbed: 13 psi (90 kPa)

•Smooth: 20 psi (138 kPa)

Figure 32

1. Valve stem

Releasing the Electric Brake

Service Interval: As required

The electric brake can be release by manually rotating the link arms forward. Once the electric brake is energized the brake will reset.

To release the brake:

Figure 33

1.Brake link arm on the electric brake control module

1.Locate the shaft on the electric brake where the brake link arms are connected.

2.Rotate the shaft forward to release the brake.

Checking the Hydraulic Oil Level

Service Interval: Every 25 hours

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Contents Quest California Introduction Contents General Operation SafetySafety Alert Symbol Safe Operating PracticesTowing ServiceSlope Operation ChildrenGeneral Service Exmark Riding Mower SafetySafety 106-8717 Safety and Instructional Decals119-8814 PTO Switch Symbols 116-4220 120-2239 Specifications Model NumbersSystems Dimensions Torque Requirements Product OverviewControls OperationFuel Window Think Safety FirstOperating Instructions Height-of-Cut Foot LeverRecommended Gasoline Using Stabilizer/ConditionerChecking the Engine Oil Level Starting the EngineFilling the Fuel Tank Disengaging 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 Cut Adjusting the Anti-Scalp RollersStopping the Machine Inch Deck Positioning the SeatAdjusting the Motion Control Levers Changing the Seat Ride SuspensionPushing the Machine by Hand Transporting a Unit Side DischargeTransporting To Operate the MachineOperating Tips Long Grass When StoppingKeep the Underside of the Mower Clean Blade MaintenanceRecommended Maintenance Schedules MaintenanceRaising the Seat LubricationGreasing the Bearings Servicing the Engine Oil Engine MaintenanceServicing the Air Cleaner Cleaning the ElementChanging the Oil and Filter Checking the Spark Plug Installing the Spark PlugServicing the Spark Plug Removing the Spark PlugReplacing the Fuel Filter Cleaning the Blower HousingFuel System Maintenance Servicing the Emissions FilterElectrical System Maintenance Charging the BatteryRemoving the Battery Recommended Jump Starting Procedure Checking the Battery ChargeDo Not jump start a weak battery if these conditions exist Installing the BatteryChecking the Hydraulic Oil Level Drive System Maintenance Checking the Tire PressureServicing the Fuses Releasing the Electric BrakeRemoving Hydraulic System Filters Changing the Hydraulic System Filter and OilInstalling the Hydraulic System Filters Inspecting the Blades Mower Maintenance Servicing the Cutting BladesBleeding the Hydraulic System Before Inspecting or Servicing the BladesMeasure from the tip of the blade to the flat surface here Checking for Bent BladesSharpening the Blades Removing the BladesInstalling the Blades Leveling the Mower DeckSide-to-Side Leveling Blades side to side Adjusting the Front-to-Rear Blade Slope Replacing the Mower Belt Mower Belt MaintenanceRemoving the Mower Inspecting the BeltsInstalling the Mower Deflector Replacing the DischargeRod Deck brackets Spring Washing the Underside of the Mower Clean Engine and Exhaust System AreaStorage Cleaning and StorageProblem Possible Cause Corrective Action TroubleshootingTo Pushing the Machine by Hand Electrical Diagram SchematicsElectrical Logic Schematic Exmark Quest Turf Equipment Page Page Date Description of Work Done Service Done By Service RecordPage This page may be copied for personal use Exmark Accessories and Options

4501-191 Rev.A specifications

The Exmark 4501-191 Rev.A is a cutting-edge lawn mower designed to deliver exceptional performance and efficiency for both residential and commercial users. With its robust build and advanced technology, this model has quickly gained popularity among landscapers and homeowners alike.

One of the standout features of the Exmark 4501-191 Rev.A is its powerful engine. Equipped with a high-performance Kohler engine, this mower provides ample horsepower and torque, ensuring efficient cutting even in tough conditions. This allows users to tackle dense grass and uneven terrains with ease, making it ideal for various landscaping needs.

The mower's innovative cutting system is another highlight that sets it apart. Featuring a large, durable cutting deck, the Exmark 4501-191 Rev.A offers an impressive cutting width, enabling users to cover more ground in less time. The deck is designed for precision, providing a clean and even cut every time. Additionally, the adjustable cutting height feature allows for customized lawn care, accommodating different grass types and lengths.

One of the remarkable technologies integrated into the Exmark 4501-191 Rev.A is its efficient fuel system. The mower is engineered to maximize fuel efficiency, allowing users to extend their mowing sessions without the frequent need to refuel. This feature not only saves time but also reduces overall operating costs, making the mower a cost-effective choice for users with large properties.

Comfort and maneuverability are also key characteristics of the Exmark 4501-191 Rev.A. The ergonomic controls are designed for ease of use, providing a smooth and responsive experience. The mower features large rear wheels and front casters, allowing for agile navigation around obstacles and tight spaces. This is particularly beneficial for commercial users who often work in complex environments.

Maintenance is simplified with the Exmark 4501-191 Rev.A, allowing users to focus on lawn care rather than upkeep. The model is built with durable materials, ensuring longevity and reducing wear and tear. Clear access points for cleaning and maintenance further enhance user convenience, making it easy to keep the mower in top shape.

In summary, the Exmark 4501-191 Rev.A is a high-performance lawn mower that combines power, efficiency, and ease of use. With its advanced engine, innovative cutting system, and user-friendly design, it stands out as an excellent choice for anyone looking to achieve a beautifully manicured lawn. Whether for commercial or residential use, this mower is a reliable tool that promises exceptional results.
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