Exmark 4500-501 Rev A manual Check Mower Blades, Check Safety Interlock System

Page 30

Maintenance

used for charging the battery has an output of 16 volts and 7 amps or less to avoid damaging the battery (see chart for recommended charger settings).

Voltage

Percent

Maximum

Charging

Reading

Charge

Charger

Interval

 

 

Settings

 

12.6 or

100%

16 volts/7

No

greater

 

amps

Charging

 

 

 

Required

12.4 – 12.6

75–100%

16 volts/7

30 Minutes

 

 

amps

 

12.2 – 12.4

50–75%

16 volts/7

1 Hour

Figure 12

 

 

amps

 

12.0–12.2

25–50%

14.4 volts/4

2 Hours

 

 

amps

 

11.7–12.0

0–25%

14.4 volts/4

3 Hours

 

 

amps

 

11.7 or less

0%

14.4 volts/2

6 Hours or

 

 

amps

More

1.Use wrench here for blade installation. This nut has been torqued to 90–110 ft-lb (122–149 N-m)

2.Torque to 55-60 ft-lb (75-81 N-m) Apply lubricant to threads as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute.

Check Mower Blades

Service Interval: Before each use or daily

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

2.Lift deck and secure in raised position as stated in the Clean Grass Build-Up Under Deck procedure.

3.Inspect blades and sharpen or replace as required.

4.Reinstall the blades (if they were removed) in the following order:

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

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 55-60 ft-lb (75-81 N-m).

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.

Figure 11

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

B.Install bushing/blade assembly into spindle.

Check Safety Interlock System

Service Interval: Before each use or daily

Note: To prevent engine cut-outs on rough terrain the seat kill switch has a 1/2 second delay.

1.Check starting circuit. Starter should crank with, parking brake engaged, PTO disengaged and

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Contents Lazer Z XS California Introduction Contents Safe Operating Practices SafetySafety Alert Symbol TrainingOperation Slope Operation Using the Rollover Protection System Rops Maintenance and StorageSafety Safety and Instructional Decals 103-0223 103-0261 103-1798 103-2076 103-7218 107-2102 Safety 109-2264 109-2478 109-2951 109-3148 Safety 107-9866 Specifications Model NumbersSystems Hydrostatic Ground Drive System Tires & WheelsCutting Deck Dimensions Torque RequirementsProduct Overview OperationControls Coolant Temperature Gauge Tracking Adjustment KnobPTO Engagement Switch Hour MeterPre-Start Open the Fuel Shut-Off Valve Operating InstructionsRaise the Rollover Protection System Rops Starting the EngineStopping the Engine Engaging the PTODisengaging the PTO Driving the MachineAdjusting the Cutting Height Driving ForwardAdjusting the Anti-Scalp Rollers Transporting Transporting a UnitLoading a Unit Operation Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelCheck Safety Interlock System Check Mower BladesCheck Seat Belt Check Rollover Protections Systems Roll Bar PinsService Air Cleaner Check for Loose HardwareCheck Tire Pressures Change Engine OilCheck Hydraulic Oil Level Check Condition Of BeltsLubricate Grease Fittings Lubricate Caster Wheel HubsLubricate Motion Control Bronze Bushings Lubricate Brake Handle PivotLubricate Brake Rod Bushings Drain Fuel Filter/Water SeparatorChange Inline Fuel Filter Wheel Hub Slotted Nut Torque SpecificationChange Fuel Filter/Water Separator Change Hydraulic System FilterCheck Engine Coolant Level Change Engine CoolantFuel Tank Mounting Hardware Specifications Thread Locking AdhesivesMobil HTS Grease Or Food-Grade Anti-seize Copper-Based Anti-seize Dielectric GreaseDeck Leveling Mule Drive Belt Tension Adjustment Pump Drive Belt TensionDeck Belt Tension Belt Guide AdjustmentBrake Link Adjustment Alternator Belt TensionBrake Adjustment Electric Clutch AdjustmentReverse Indicator Adjustment Motion Control Linkage Adjustment Caster Pivot Bearings Pre-Load Adjustment Motion Control Damper AdjustmentClutch Shim Removing the Shim Feeler gauge Clean Debris From Machine Clean Engine Cooling SystemCleaning of the Radiator Remove Accumulated Debris from EngineWaste Disposal Clean Grass Build-Up Under DeckBattery Disposal Motor Oil DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Troubleshooting Ignition Switch ElectricalElectrical Logic Schematic Hydraulic Diagram Exmark Commercial Turf Equipment Page Page Service Record Page Page See EXMARK’S Complete Line of Accessories and Options