Exmark 4500-355 manual Maintenance and Storage

Page 8

Safety

DANGER

Operating on wet grass or steep slopes can cause sliding and loss of control. Loss of control and/or loss of operator’s footing could result in a fall with an arm or leg getting under the mower or engine deck which may result in serious injury, death or drowning.

Mow across slopes, never up and down.

Do Not mow slopes when grass is wet.

Do Not mow near drop-offs or near water.

Do Not mow slopes greater than 20 degrees.

Reduce speed and use extreme caution on slopes.

Avoid sudden turns or rapid speed changes.

See inside the back cover to determine the approximate slope angle of the area to be mowed.

Remove or mark obstacles such as rocks, tree limbs, etc. from the mowing area. Tall grass can hide obstacles.

Watch for ditches, holes, rocks, dips and rises that change the operating angle, as rough terrain could overturn the machine.

Avoid sudden starts when mowing uphill because the mower may tip backwards.

Be aware that operating on wet grass, across steep slopes or downhill may cause the mower to lose traction. Loss of traction to the drive wheels may result in sliding and a loss of braking and steering.

Always avoid sudden starting or stopping on a slope. If tires lose traction, disengage the blades and proceed slowly off the slope.

Follow the manufacturer’s recommendations for wheel weights or counter weights to improve stability.

Use extreme care with grass catchers or attachments. These can change the stability of the machine and cause loss of control.

Maintenance and Storage

Disengage drives, lower implement, set parking brake, stop engine and remove key or disconnect

spark plug wire. Wait for all movement to stop before adjusting, cleaning or repairing.

Keep engine and engine area free from accumulation of grass, leaves, excessive grease or oil, and other debris which can accumulate in these areas. These materials can become combustible and may result in a fire.

Let engine cool before storing and do not store near flame or any enclosed area where open pilot lights or heat appliances are present.

Shut off fuel while storing or transporting. Do Not store fuel near flames or drain indoors.

Park machine on level ground. Never allow untrained personnel to service machine.

Use jack stands to support components when required.

Carefully release pressure from components with stored energy.

Use care when checking blades. Wrap the blade(s) or wear gloves, and use caution when servicing them. Only replace damaged blades. Never straighten or weld them.

Keep hands and feet away from moving parts. If possible, do not make adjustments with the engine running.

Keep all guards, shields and all safety devices in place and in safe working condition.

Check all bolts frequently to maintain proper tightness.

Frequently check for worn or deteriorating components that could create a hazard.

All replacement parts must be the same as or equivalent to the parts supplied as original equipment.

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Contents Viking Hydro California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices TrainingSafety Operation Slope OperationMaintenance and Storage Safety Safety and Instructional Decals 103-1798 103-2076 103-2103 103-2196 103-2242 116-0404 103-2243 103-4935 103-5626 Systems SpecificationsModel Numbers Dimensions Torque RequirementsProduct Overview Operation ControlsOperator Presence Control OPC LeversOff-Run Switch Tracking Adjustment KnobNeutral Lock Latch Park Brake LeverPre-Start Operating InstructionsDriving the Machine Disengaging the PTOStopping the Engine Transporting Transporting a UnitMaintenance Recommended Maintenance SchedulesReplacing the Discharge Deflector Check Engine Oil LevelCheck Mower Blades Check Safety Interlock System Check for Loose HardwareService Pre-Cleaner Element and Air Cleaner Change Engine OilCheck Hydraulic Oil Level Check Tire PressuresLubricate Grease Fittings Check Spark PlugsChange Fuel Filter Change Hydraulic System FilterHydraulic System Air Purge LevelWheel Hub-Slotted Nut Torque Specification Thread Locking AdhesivesMobil HTS Grease Or Food-Grade Anti-seize Copper-Based Anti-seizeAdjustments Adjusting the Cutting HeightAdjusting the Axle Position Adjusting the Number of Spacers below Caster Support Hub Adjusting the Cutting Height with Blade SpacersPTO Engagement Linkage Adjustment PTO Safety Switch AdjustmentEngine to Mower Deck Belt Adjustment Inch Deck Shown for Reference OnlyPump Drive Belt Tension Adjustment Blade Brake AdjustmentBelt Guide Adjustment Hydro Drive Linkage Adjustment Adjust Hydro Control Linkages Hydro Pump Spring Tension Setting Park Brake AdjustmentClean Engine Air Cooling System Remove Engine Shrouds and Clean Cooling FinsClean Grass Build-Up Under Deck Waste DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Schematics Wiring DiagramSchematics Exmark Commercial Turf Equipment Page Page See EXMARK’S Complete Line of Accessories and Options