Exmark 4500-689 manual Blade Brake Adjustment, Maintenance

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Check belt tension after the first hour of operation

Maintenance

Check belt tension after the first hour of operation

Mower Deck Belt Routings:

and at least twice during the first 24 hours of

operation. Adjust as necessary.

Figure 13

48 inch Deck Shown for Reference Only

1.Pulley location for Metro

2.Pulley can be moved to the front position to tighten the belt when there is no adjustment left in the turnbuckle (48 inch deck only)

3.Belt guide must be moved to the front position if the pulley is moved. (48 inch deck only)

4.Turnbuckle

5.5/16 inch (.79 cm) minimum engagement

6.5/16 inch whizlock nut

7.Rear Assist Arm Stop

8.Assist Arm

9.Front Assist Arm Stop

10.Point “A”

4.Proper belt tension will require about 10 lb (4.5 kg) side pull on belt, halfway between pulleys (see Figure 13, item 10–Point A) to deflect belt 1/2 inch (12 mm).

5.Check belt guide under the engine deck to see that it is properly set (see Belt Guide Adjustment section). Also check the blade brake adjustment (see Blade Brake Adjustment section).

Figure 14

32 inch and 36 inch Mower Deck

Figure 15

48 inch Mower Deck

Blade Brake Adjustment

1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).

2.Disengage blades.

3.Make sure the blade brake pad rests against the sheave. Adjust the spring mounting bolts to properly align the pad on the sheave (see Figure 16).

4.Check the distance between the spacer and the nut at the end of the blade brake rod. The

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Contents For Serial Nos 920,000 & Higher METROAll Rights Reserved CALIFORNIA Proposition 65 WarningModel No Serial No IntroductionContents Safety Alert Symbol SafetySafety ALERT! YOUR SAFETY IS INVOLVEDAvoid prolonged breathing of vapors DANGERKeep face away from nozzle and gas tank/container opening Keep away from eyes and skin Never siphon by mouthSlope Operation OperationAllow engine parts, especially the muffler, to cool before touching Remove accumulated debris from muffler and engine areaDo Not mow slopes when grass is wet Maintenance and StorageMow across slopes, never up and down Do Not mow near drop-offs or near waterSafety and Instructional Decals 103-1798 1-403143 98-5954 103-1623103-2076 103-2244 103-224548 inch Deck Units Only 117-2718 103-5626103-1967 Pistol Grip Units OnlySpecifications SpecificationsSafety Interlock System Model NumbersCurb Weight DimensionsTorque Requirements Cutting DeckOperation Product OverviewControls OperationChoke Control “Off-Run” SwitchThrottle Control Drive LeversOperating Instructions Pre-StartOpen the Fuel Shut-Off Valve Starting the EngineDrive Lever/Neutral Lock/Park Brake Latch Operation Driving the MachineFor Pistol Grip Handles For ECS HandlesIf necessary, use assistance when loading Keep feet and legs out from under the unit when loading and unloadingTransporting Changing GearsMaintenance MaintenanceRecommended Maintenance Schedules Service Interval Before each use or daily Periodic MaintenanceService Interval As required Check Engine Oil LevelService Air Cleaner Check Safety Interlock SystemSERVICE DEALER Check for Loose HardwareService Interval Every 40 hours Service Interval After the first 5 hoursNote See chart for service intervals Change Engine OilService Interval Every 500 hours Service Interval Every 160 hoursCheck Spark Plugs Change Fuel FilterMobil HTS Grease Or Food-Grade Anti-seize Thread Locking AdhesivesCopper-Based Anti-seize Dielectric GreaseAdjusting the Cutting Height AdjustmentsAdjusting the Axle Position Adjusting the Cutting Height with Blade Spacers Adjusting the Number of Spacers below Caster Support HubWheel Drive Belt Pulley Scrapers AdjustmentEngine to Mower Deck Belt Transmission BeltCheck belt tension after the first hour of operation Blade Brake AdjustmentBrake and Wheel Drive Linkage Adjustment Belt Guide AdjustmentShown with Blades Disengaged 48 inch Belt Guide Location Viewed from underneath the deckLeft Side Shown Shifter Lever Adjustment PTO Safety Switch Adjustment Shifter Detent AdjustmentHandle Height Adjustment Wheel Drive Spring Tension AdjustmentClean Engine and Exhaust System Area CleaningRemove Engine Shrouds and Clean Cooling Fins Clean all debris from engine and exhaust system areaClean Grass Build-Up Under Deck Clean Debris From MachineWaste Disposal Motor Oil DisposalTroubleshooting TroubleshootingCutting blades is/are bent or unbalanced Schematics Schematics2 Year Limited Warranty Exmark Commercial Turf EquipmentInstructions for Obtaining Warranty Service Owner’s ResponsibilitiesPage Service Done By Service RecordDate Description of Work DonePage This page may be copied for personal use MID-MOUNT RIDING ACCESSORIES AND OPTIONS SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONSOUT-FRONT RIDING ACCESSORIES AND OPTIONS WALK-BEHIND ACCESSORIES AND OPTIONS