Exmark VT691KA484CA manual Check Safety Interlock System, Blade control switch PTO is pulled on

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Maintenance

A.Install bushing through blade with bushing flange on bottom (grass) side of blade.

Figure 18

1.Install bushing in blade prior to installing bushing in spindle.

B.Install bushing/blade assembly into spindle.

Figure 19

WARNING

Incorrect installation of the blade or components used to retain the blade can be dangerous. Failure to use all original components and assembled as shown could allow a blade or blade component to be thrown out from under the deck resulting in serious personal injury or death.

Always install the original Exmark blades, blade bushings, and blade bolts as shown.

Check Safety Interlock System

Service Interval: Before each use or daily

CAUTION

If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury.

•Do not tamper with the interlock switches.

•Check the operation of the interlock switches daily and replace any damaged switches before operating the machine.

Understanding the Safety Interlock System

The safety interlock system is designed to prevent the mower blades from rotating unless:

•

The right side motion control lever is moved to

 

the center, operating position.

•

The blade control switch (PTO) is pulled on.

1.Use wrench here for blade installation. This nut has been torqued to 130-160 ft-lb (176–217 N-m)

2.Torque to 50-60 ft-lb (68-81 N-m) Apply lubricant to threads as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute.

The safety interlock system is designed to stop

the mower blades if you move or release the right

side motion control lever into the PTO disengage

position.

• The right side motion control lever is moved to

the center, operating position, the parking brake

C.Apply lubricant to threads of blade bolt as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute. Install blade bolt finger tight. Place wrench on the top spindle nut then torque the blade bolts to 50-60 ft-lb (68-81 N-m).

is engaged, and the blade control switch (PTO) is

pulled on.

Checking the Safety Interlock System

1.Start the engine.

2.Set the parking brake.

3.Move the motion control levers forward.

The engine should initiate shutdown after momentary pause.

4.Start the engine and release the parking brake.

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Contents Vantage California Introduction Contents Safe Operating Practices SafetySafety Alert Symbol TrainingSafety Operation Slope OperationMaintenance and Storage Safety Safety and Instructional Decals 116-0404 116-2040 116-3076 116-7217 116-5040 116-4648 Specifications Model NumbersSystems Dimensions Torque Requirements Curb WeightProduct Overview Tread Width Outside to OutsideOperation ControlsHour Meter Ignition SwitchPark Brake Lever Fuel Shut-Off ValvePre-Start Operating InstructionsPTO Engagement Disengaging the PTOStopping the Engine Driving the Machine Driving ForwardAdjusting the Front Reference/Speed Control Bar Operating the PlatformOperating the Machine with the Platform Up Operating the Machine with the Platform DownAdjusting the Cutting Height TransportingTransporting a Unit Loading a Unit Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelRecommended Jump Starting Procedure Release the Cushion for Rear Access Check Mower BladesCheck Safety Interlock System Blade control switch PTO is pulled onChange Engine Oil Service Air CleanerCheck for Loose Hardware Check Hydraulic Oil LevelLubricate Grease Fittings Check Tire PressuresCheck Condition Of Belts Lubricate Caster Wheel HubsCheck Spark Plugs Change Fuel FilterChange Hydraulic System Filter and Fluid Hydraulic System Air Purge LevelWheel Hub Nut Torque Specification Check Spark Arrester if equippedCopper-Based Anti-seize Thread Locking AdhesivesMobil HTS Grease Or Food-Grade Anti-seize Dielectric GreaseAdjusting the Cutting Deck Rake Pump Drive Belt Tension Adjusting the Rear of the DeckPark Brake Adjustment Mower Deck Drive Belt TensionChecking the Tire Pressure in Drive System Electric Clutch Adjustment Removing the ShimMotion Control Neutral Adjustment Motion Control Tracking Adjustment Check the Neutral Switch AlignmentAdjust RH Motion Control Handle Position Caster Pivot Bearings Pre-Load Adjustment Clean Debris From Machine Clean Engine and Exhaust System AreaRemove Engine Shrouds and Clean Cooling Fins Clean Grass Build-Up Under DeckBattery Disposal Troubleshooting Problem Possible Cause Corrective ActionTroubleshooting Troubleshooting Schematics Electrical Diagram-All Units Except Kohler EFIElectrical Diagram-Kohler EFI Electrical Schematic-All Units Except Kohler EFI Electrical Schematic-Kohler EFI Hydraulic Diagram General Warranty Conditions and Products Covered Page Service Record Date Description of Work Done Service Done ByPage This page may be copied for personal use Exmark Accessories and Options

VT691KA524CA, VT691KA484CA, VT651KA484, VT730EKC524, VT691KA524 specifications

The Exmark VT691KA524, VT730EKC524, VT651KA484, VT691KA484CA, and VT691KA524CA mowers represent some of the most advanced lawn care technology in the market. Each model is designed to deliver professional-grade performance, ensuring lawns are impeccably manicured.

The VT691KA524 features a robust 691cc engine, delivering powerful performance. Its 52-inch cutting deck allows for efficient mowing, making it ideal for medium to large-sized lawns. The mower incorporates Exmark's innovative patented UltraCut deck design, which offers exceptional cut quality and reduced clumping. Additionally, it boasts a high-capacity fuel tank, which is designed for extended operation without frequent refueling.

Another standout model, the VT730EKC524, comes with a 730cc engine, providing even more horsepower. This model supports advanced cooling and air filtration systems that enhance engine life and performance. The VT730EKC524’s fully adjustable cutting height options allow users to customize their mowing experience, ensuring a clean and even cut on various grass types.

The VT651KA484, equipped with a 651cc engine, emphasizes manoeuvrability and ease of use. It features a compact design that allows it to navigate tight spaces. The 48-inch cutting deck still provides a significant mowing width, and the model is also equipped with Exmark’s patented parking brake system for added safety.

The VT691KA484CA and VT691KA524CA are both equipped with the powerful 691cc engine like the VT691KA524. However, they come with unique functionalities that enhance their usability. The -CA variants offer additional features, such as an improved comfort seat and steering controls, making them ideal for extended mowing sessions without fatigue.

All these models feature Exmark’s signature Precision-Theory mower technology. This ensures that the mower maintains a consistent speed and cutting height while preventing scalping on uneven terrain. Furthermore, the mowers are constructed with durable, high-quality materials designed for longevity, ensuring that they can withstand the rigors of regular use.

With their user-friendly operation, advanced technologies, and rugged construction, the Exmark VT series mowers are an excellent investment for anyone looking to maintain an attractive and healthy lawn. Whether you choose the VT691KA524 for its efficiency or the VT730EKC524 for its superior horsepower, each model guarantees professional-quality results.
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