Exmark 4500-507 manual Pump Drive Belt Tension, Deck Belt Tension, Adjusting the Parking Brake

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Maintenance

7.Raise the front of the machine and slide the deck left or right to remove.

8.Lower the front of the machine.

Pump Drive Belt Tension

Self-tensioning - No adjustment necessary.

Deck Belt Tension

Self-tensioning - No adjustment necessary.

Adjusting the Parking Brake

Service Interval: After the first 100 hours Every 500 hours thereafter

Check to make sure brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced.

1.Drive the machine onto a level surface.

2.Disengage the blade control switch (PTO), move the motion control levers to the neutral locked position and set the parking brake.

3.Stop the engine, wait for all moving parts to stop, and remove the key.

4.Raise the back of the machine up and support the machine with jack stands.

CAUTION

Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury.

Do Not rely solely on mechanical or hydraulic jacks for support. Use adequate jack stands or equivalent support.

5.Remove the rear tires from the machine.

6.Remove any debris from the brake area.

7.Rotate the drive wheel release handle to the “released” position. Refer to the Drive Wheel Release Valves section in Operation.

8.Disengage the park brake.

9.Hold the threaded rod end with a tool and loosen the lock nut away from the standard nut (see Figure 30). Do Not allow the cable to turn when the nuts are being loosened.

Figure 30

Left Hand Brake Shown

1.

Cable anchor

7.

Pull cable threaded rod

 

 

 

this direction

2.

Threaded rod

8.

Hold threaded rod here

3.

Push lever this direction

9.

Swivel (pivot head)

4.

Caliper lever arm

10.

Caliper

5.

Standard nut (shown

11.

Hub

 

against swivel)

 

 

6.

Lock nut

 

 

10.Remove all slack from cable by pulling on the caliper lever arm with a medium amount of force. Using hands and fingers only, push the caliper lever arm to engage the brake pads on the rotor until the lever stops. While holding the lever

at the stopped position, use the other hand or fingers to pull the slack out of the cable threaded end through the swivel. Spin the standard nut against the swivel (see Figure 30).

Note the order of the standard nut and lock nut (no nut on the cable anchor side of the swivel).

11.Release the caliper lever and cable. Turn the wheel hub by hand in both directions relative to the caliper; slight drag of the caliper pad on the wheel hub is desired.

12.If there is no movement between the hub and the caliper then back off the standard nut one turn from the swivel and repeat step 11 (drive release

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Contents Lazer Z Models California Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesSafety Operation Slope Operation Using the Rollover Protection System RopsMaintenance and Storage Safety Safety and Instructional Decals 109-3148 109-7232 109-8483 117-2718 116-0211 Message Display Specifications Model NumbersSystems Seat Hydrostatic Ground Drive SystemTires & Wheels Overall Length DimensionsCutting Deck Overall WidthWheel Base Center of Caster Tire to Center of Drive Tire Curb WeightAccessory Weight Table Worksheet Tread Width Center to Center of Tires, WidthwiseTorque Requirements Product OverviewControls OperationFuel Gauge Ignition SwitchHour Meter Fuel Shut-Off ValveDeck Lift Pedal PTO Engagement SwitchLow Voltage Indicator Drive Wheel Release ValvesPre-Start Operating InstructionsRaise the Rollover Protection System Rops Disengaging the PTO Open the Fuel Shut-Off ValveStarting the Engine Engaging the PTODriving the Machine Adjusting the Cutting HeightAdjusting the Anti-Scalp Rollers TransportingTransporting a Unit Loading a Unit Recommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Battery ChargeCheck Mower Blades Check Safety Interlock SystemCheck for Loose Hardware Service Air CleanerCheck Rollover Protections Systems Roll Bar Knobs Check Seat BeltChange Engine Oil Check Hydraulic Oil LevelCheck Tire Pressures Check Condition Of Belts Lubricate Grease FittingsLubricate Caster Wheel Hubs Change Fuel Filter Lubricate Brake Handle PivotLubricate Deck Lift Pivot Check Spark PlugsCheck Spark Arrester if equipped Wheel Hub Slotted Nut Torque SpecificationDeck Leveling Thread Locking AdhesivesCopper-Based Anti-seize Dielectric GreaseFoot lever Transport lock Cut of height pin Deck Removal Adjusting the Parking Brake Pump Drive Belt TensionDeck Belt Tension Motion Control Linkage Adjustment Electric Clutch AdjustmentRH Motion Control Shown Motion Control Damper AdjustmentMotion Control Handle Adjustment Motion Control Neutral Lock Pivot AdjustmentClutch Shim Caster Pivot Bearings Pre-Load AdjustmentShim Clean Debris From Machine Clean Engine and Exhaust System AreaRemove Engine Shrouds and Clean Cooling Fins Clean Hydro Fan Cooling GuardsBattery Disposal Waste DisposalMotor Oil Disposal Problem Possible Cause Corrective Action TroubleshootingSee Drive Wheel Release Valves section Troubleshooting Electrical Diagram SchematicsElectrical SchematicHydraulic Diagram Exmark Lazer Z and Lazer Z AS Turf Equipment Page Page See EXMARK’S Complete Line of Accessories and Options