Exmark 850 manual Rear Caster Pivot Bearings Pre-Load Adjustment, Hopper Door Adjustment

Page 36

Maintenance

Rear Caster Pivot Bearings

Pre-Load Adjustment

Remove dust cap from caster and tighten nyloc nut until washers are flat. Back off 1/4 of a turn to properly set the pre-load on the bearings. If disassembled, make sure the spring disc washers are reinstalled as shown in Figure 22.

 

Figure 23

1. Loosen door hinge

2. Place a piece of 3/8 inch

nuts-three per side

(9.5 mm) rubber on this

 

surface

 

 

Figure 22

1.Spring disc washers

Hopper Door Adjustment

Door Closing:

Loosen six door hinge nuts (see Figure 23).

Open door and place a 3/8 inch rubber strip or 3/8 inch diameter hose between the hopper and hopper door (see Figure 23).

Close door and push tight against hopper.

Tighten hinge hardware. Open hopper door and remove rubber strip.

PTO Brake Spring

Adjustment

PTO brake spring adjustment is only necessary if the blower has been removed or replaced or if the PTO drive idler arm has been disassembled.

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Locate the brake spring and thread the two jam nuts out to the end of the brake spring rod (see Figure 24).

3.Tighten jam nuts together at end of brake spring rod.

Figure 24

1.Tighten jam nuts here

2.PTO Brake spring assembly

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Contents Navigator California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices TrainingSafety Operation Slope Operation Maintenance and Storage Safety Safety and Instructional Decals 103-9034 103-9724 109-4273 109-4638 109-7318 116-0404 Safety Specifications Model NumbersSystems Dimensions Curb Weight Product OverviewTorque Requirements Operation ControlsPre-Start Operating InstructionsEngaging the PTO Disengaging the PTOStopping the Engine Driving the MachineTransporting Emptying HopperClearing Hopper Screen Transporting a UnitLoading a Unit Maintenance Recommended Maintenance SchedulesCheck Battery Charge Recommended Jump Starting ProcedureCheck Engine Oil Level Check Safety Interlock System Do Not jump start a weak battery if these conditions existService Air Cleaner Check for Loose HardwareChange Engine Oil Check Hydraulic Oil Level Check Tire PressuresCheck Condition Of Belts Lubricate Grease FittingsService Interval Yearly Lubricate Rear Caster Wheel HubsLubricate Brake Handle Pivot Lubricate Brake Rod BushingsLubricate Steering Linkage Rod Ends Lubricate Hopper ActuatorFuel Tank Mounting Hardware Specifications Change Hydraulic System FilterCheck Wheel Hub Locknuts Check Wheel Lug NutsPTO Belt Replacement Dielectric GreasePTO Drive Belt Tension Pump Drive Belt TensionPump Drive Belt Replacement Belt Guide AdjustmentAdjust Safety Switch Brake AdjustmentAdjust Speed Control Lever Tension Speed Control Linkage Adjustment Response Adjustment Steering Control LeverTracking Adjustment PTO Drive Pulley AlignmentPump Drive Pulley Alignment Rear Caster Pivot Bearings Pre-Load Adjustment Hopper Door AdjustmentPTO Brake Spring Adjustment Clean Engine and Exhaust System Area Remove Engine Shrouds and Clean Cooling FinsClean Debris From Machine Waste DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Schematics Electrical DiagramElectrical Logic Schematic StartHydraulic Diagram Exmark Commercial Turf Equipment Page Service Record Date Description of Work Done Service Done ByPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options
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0, 850 specifications

The Exmark 850 is a top-of-the-line commercial mower, known for its durability, efficiency, and advanced features, making it a favorite among landscaping professionals. With a powerful engine and innovative technology, the Exmark 850 is designed to tackle tough mowing tasks while ensuring a high-quality cut.

One of the standout characteristics of the Exmark 850 is its robust engine performance. Powered by a reliable Kohler or Kawasaki engine, it delivers exceptional horsepower, enabling it to handle various terrains and grass types with ease. The engine is designed for fuel efficiency, allowing operators to work longer hours without frequent refueling, ultimately boosting productivity on the job.

The cutting deck of the Exmark 850 is engineered with precision, utilizing Exmark's proprietary UltraCut technology. This technology ensures that grass is cut evenly and efficiently, resulting in a clean, manicured appearance. The deck height is easily adjustable, allowing users to quickly change settings to accommodate different lawn conditions and preferences.

Another key feature is the innovative suspension system that enhances ride quality. The Exmark 850 is equipped with a heavy-duty front axle and high-performance suspension that absorbs bumps and uneven ground, allowing for a smoother mowing experience. This is especially beneficial for operators who spend long hours on the mower, reducing fatigue and improving comfort.

Ergonomics play a crucial role in the design of the Exmark 850. The operator station is thoughtfully crafted with optimal controls and comfortable seating, allowing for easy maneuverability and long-term use. The ergonomic handles and intuitive control layout make it easy for operators to navigate tricky landscapes, enhancing overall efficiency.

In terms of durability, the Exmark 850 is built to withstand the rigors of commercial use. The high-quality materials and construction ensure that this mower can handle challenging conditions, extending its lifespan and reducing maintenance needs. Additionally, Exmark offers an extensive warranty program, providing peace of mind for operators.

Safety features are also prioritized in the Exmark 850, with guards and shields designed to protect the operator while mowers are in use. These features also include emergency shut-off systems and blade brake systems, ensuring compliance with safety standards.

Overall, the Exmark 850 stands out as a high-performing, reliable, and efficient mower suitable for a variety of commercial landscaping tasks. With its powerful engine, advanced cutting technology, ergonomic design, and emphasis on durability and safety, it continues to be a top choice for professionals seeking high-quality lawn care equipment.
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