Exmark 4500-759 Rev A manual Checking the Tire Pressure in Drive System

Page 39

Maintenance

Checking the Tire Pressure in Drive System

Maintenance.

4.Disengage the park brake.

5.Push down on the brake bar until it touches the tires. There will be a 3/4 inch (19 mm) gap between the park brake handle and the slot in the control panel (see Figure 28).

Figure 28

1.

Brake bar

4.

3/4 inch (19 mm)

2.

Push down

5.

Park brake handle

3.Slot

6.There are two methods to adjust the park brake; one or both methods may be used.

A. Adjusting the lower brake lever:

a.Remove the hairpin, washer, and clevis pin from the lower brake lever and yoke as shown in Figure 29.

Figure 29

1.

Jam nut

4.

Lower brake lever

2.

Yoke

5.

Washer

3.

Clevis pin

6.

Hairpin

 

 

 

 

b.Loosen the jam nut.

c.Rotate the yoke. To tighten the brake, rotate the yoke up. To loosen the brake, rotate the yoke down.

d.Secure the yoke to lower brake lever with the hairpin, washer, and clevis pin.

e.Tighten the jam nut.

f.Check the brake operation again.

B.Adjusting the upper brake linkage:

a.Loosen the top jam nut.

b.To tighten the brake, turn the bottom jam nut clockwise (as viewed from the top) then turn the top jam nut. Move the linkage upward to achieve the desired setting.

c.To loosen the brake, turn the top jam nut counterclockwise (as viewed from the top) then turn the bottom nut counterclockwise. Move the linkage downward to achieve the desired setting.

Figure 30

1.

Move down to loosen

4.

Bottom jam nut

 

brake

 

 

2.

Move up to tighten brake

5.

Linkage

3.Top jam nut

d.Tighten the jam nuts.

e.Check the brake operation again.

7.After the brake is adjusted, the lever switch needs to be checked.

8.Check the gap between the brake lever and the switch as shown in Figure 29. The gap needs to be an 1/8 inch (3mm) with the brake engaged.

39

Image 39
Contents Vantage California Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesSafety Slope Operation OperationMaintenance and Storage Safety Safety and Instructional Decals 116-0404 116-2040 116-3267 116-3283 116-3290 116-1887 116-4181 116-4647 116-5040 EFI Only Specifications Model NumbersSystems Dimensions Torque Requirements Product OverviewControls OperationIgnition Switch Hour Meter Fuel Shut-Off ValveFuel Gauge Operating Instructions Pre-StartPTO Engagement Disengaging the PTOStopping the Engine Driving Forward Driving the MachineOperating the Platform Adjusting the Front Reference/Speed Control BarOperating the Machine with the Platform Down Operating the Machine with the Platform UpAdjusting the Cutting Height TransportingTransporting a Unit Loading a Unit Recommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Battery ChargeDo Not jump start a weak battery if these conditions exist Recommended Jump Starting ProcedureCheck Mower Blades Release the Cushion for Rear AccessSafety interlock system is designed to stop Check Safety Interlock SystemCheck Hydraulic Oil Level Service Air CleanerCheck for Loose Hardware Change Engine OilLubricate Caster Wheel Hubs Check Tire PressuresCheck Condition Of Belts Lubricate Grease FittingsCheck Spark Plugs Change Fuel FilterChange Hydraulic System Filter and Fluid Level Hydraulic System Air PurgeCheck Spark Arrester if equipped Wheel Hub Nut Torque SpecificationDielectric Grease Thread Locking AdhesivesMobil HTS Grease Or Food-Grade Anti-seize Copper-Based Anti-seizeAdjusting the Cutting Deck Rake Mower Deck Drive Belt Tension Adjusting the Rear of the DeckPark Brake Adjustment Pump Drive Belt TensionChecking the Tire Pressure in Drive System Removing the Shim Electric Clutch AdjustmentMotion Control Neutral Adjustment Check the Neutral Switch Alignment Motion Control Tracking AdjustmentAdjust RH Motion Control Handle Position Caster Pivot Bearings Pre-Load Adjustment Clean Debris From Machine Clean Engine and Exhaust System AreaClean Grass Build-Up Under Deck Remove Engine Shrouds and Clean Cooling FinsMaintenance Problem Possible Cause Corrective Action TroubleshootingTroubleshooting Troubleshooting Electrical Diagram-All Units Except Kohler EFI SchematicsElectrical Diagram-Kohler EFI Electrical Schematic-All Units Except Kohler EFI Electrical Schematic-Kohler EFI Hydraulic Diagram General Warranty Conditions and Products Covered Page Date Description of Work Done Service Done By Service RecordPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options

4500-759 Rev A specifications

The Exmark 4500-759 Rev A represents an innovative leap in turf management equipment, designed to enhance the efficiency and effectiveness of landscaping professionals. As a leading name in the lawn care industry, Exmark has equipped this model with state-of-the-art technologies and features that cater to both commercial and residential users.

One of the standout characteristics of the Exmark 4500-759 Rev A is its robust engine performance. Powered by a high-efficiency engine, it delivers consistent power and torque, allowing for seamless operation across diverse terrains. This engine is complemented by advanced cooling systems, ensuring optimal temperature management during extended use, which ultimately prolongs the equipment's lifespan.

The cutting system on the 4500-759 Rev A is another highlight, featuring Exmark’s patented cutting deck design. The advanced blade and deck configuration promotes superior grass dispersion and minimizes clumping, resulting in a polished finish that landscapers strive to achieve. The adjustable cutting height feature allows users to tailor the lawn height to their preference, making it versatile for various types of grass and seasonal conditions.

Operator comfort and ease of use are paramount in the design of the Exmark 4500-759 Rev A. The ergonomically designed seat and user-friendly controls provide a smooth driving experience. The intuitive dashboard offers easy access to critical information about the mower’s operation, ensuring that operators can focus on the task at hand without any distractions.

Additionally, this model incorporates innovative technology with its integrated GPS tracking system, which enhances efficiency by allowing users to monitor location and performance remotely. This feature not only aids in job tracking but also supports maintenance scheduling, optimizing service intervals and reducing downtime.

Furthermore, the Exmark 4500-759 Rev A is built with durability in mind. The heavy-duty frame and reinforced components withstand rigorous use, ensuring long-lasting performance in demanding environments. The model's versatility enables it to adapt for various landscaping tasks, from mowing to mulching, making it a valuable tool for professionals.

In conclusion, the Exmark 4500-759 Rev A is a powerful and versatile mower equipped with advanced technologies that simplify lawn care while maximizing results. Its combination of performance, comfort, and durability positions it as an essential choice for those in the landscaping industry, empowering users to achieve their desired outcomes with confidence.