Exmark 4500-501 Rev A manual Deck Belt Tension, Alternator Belt Tension, Belt Guide Adjustment

Page 40

Maintenance

be 1/8 inch (3.2 mm) away from the belt, with bolt-end of guide near end of slot (Figure 18).

4. If adjustment is necessary, loosen the bolt securing the belt guide and make proper adjustment. Tighten hardware.

 

 

Figure 17

 

1.

Spring idler pulley

3. Right side idler pulley

Figure 18

2.

Front of unit

(adjustable)

1. End of slot

2. Belt guide

 

 

Deck Belt Tension

Self-tensioning - No adjustment necessary.

Alternator Belt Tension

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

Tilt seat and remove air deflector panel

To tighten alternator belt, loosen both upper and lower alternator mounting bolts. Rotate alternator out, away from engine and retighten hardware to secure in place.

When properly tensioned, the alternator belt will deflect 1/4 to 3/8 inch (7-9 mm) while applying 22 pounds of force to the belt midway between fan and alternator.

Belt Guide Adjustment

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

2.Remove the belt shield on the right side of mower deck.

3.Note belt guide bolted to deck near the shield support stud and right-hand pulley. Guide should

Brake Link Adjustment

Check to make sure brake is adjusted properly.

1.Disengage brake lever (lever down).

2.Measure the length of the spring. Measurement should be 2 13/16 inches (7.1 cm) between washers. (Figure 19).

3.If adjustment is necessary, adjust the nyloc nut at the bottom of the spring to achieve 2 13/16 inches (7.1 cm).

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Image 40 Contents
Lazer Z XS California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices 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 Model Numbers SpecificationsSystems Tires & Wheels Hydrostatic Ground Drive SystemCutting Deck Dimensions Torque RequirementsOperation Product OverviewControls Tracking Adjustment Knob PTO Engagement SwitchCoolant Temperature Gauge Hour MeterPre-Start Operating Instructions Raise the Rollover Protection System RopsOpen the Fuel Shut-Off Valve Starting the EngineEngaging the PTO Disengaging the PTOStopping the Engine Driving the MachineAdjusting the Cutting Height Driving ForwardAdjusting the Anti-Scalp Rollers Transporting a Unit TransportingLoading a Unit Operation Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelCheck Safety Interlock System Check Mower BladesCheck Rollover Protections Systems Roll Bar Pins Service Air CleanerCheck Seat Belt Check for Loose HardwareChange Engine Oil Check Hydraulic Oil LevelCheck Tire Pressures Check Condition Of BeltsLubricate Grease Fittings Lubricate Caster Wheel HubsLubricate Brake Handle Pivot Lubricate Brake Rod BushingsLubricate Motion Control Bronze Bushings Drain Fuel Filter/Water SeparatorWheel Hub Slotted Nut Torque Specification Change Fuel Filter/Water SeparatorChange Inline Fuel Filter Change Hydraulic System FilterCheck Engine Coolant Level Change Engine CoolantThread Locking Adhesives Fuel Tank Mounting Hardware SpecificationsMobil HTS Grease Or Food-Grade Anti-seize Dielectric Grease Copper-Based Anti-seizeDeck Leveling Mule Drive Belt Tension Adjustment Pump Drive Belt TensionBelt Guide Adjustment Brake Link AdjustmentDeck Belt Tension Alternator Belt TensionElectric Clutch Adjustment Brake AdjustmentReverse Indicator Adjustment Motion Control Linkage Adjustment Motion Control Damper Adjustment Caster Pivot Bearings Pre-Load AdjustmentClutch Shim Removing the Shim Feeler gauge Clean Engine Cooling System Cleaning of the RadiatorClean Debris From Machine Remove Accumulated Debris from EngineClean Grass Build-Up Under Deck Battery DisposalWaste 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
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