Exmark 4500-352 manual Blade Brake Adjustment, Belt Guide Adjustment, Maintenance

Page 29
Blade Brake Adjustment

 

Maintenance

Mower Deck Belt Routings:

distance should be between 1/8 inch and 3/16

 

inch (3–5 mm) (see Figure 16).

 

5. Engage the blade control and check to make sure

 

the blade brake pad clears the sheave.

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

Figure 16

Shown with Blades Disengaged

1.

Blade Brake Rod

3. 1/8 inch to 3/16 inch (3–5

2.

Spring Mounting Bolts

mm)

 

 

 

 

Belt Guide Adjustment

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

2.Engage the blade drive belt.

3.Check belt guide under the engine deck for proper adjustment (See Figure 17 and Figure 18). Adjust as necessary.

The disengaged belt should not drag or fall off pulley when guides are properly adjusted.

Figure 17

32 inch and 36 inch Belt Guide Location (Viewed from underneath the deck)

1. 1 1/4 inch (3.1 cm)

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Contents For Serial Nos 790,000 & Higher METROCALIFORNIA Proposition 65 Warning Model 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 ECS Units Only Pistol Grip Units Only 48 inch Units OnlySpecifications SpecificationsSafety Interlock System Model NumbersCurb Weight DimensionsTorque Requirements Cutting DeckOperation Product OverviewControls OperationDrive Levers “Off-Run” SwitchNeutral Lock/Park Brake Latches Choke ControlOperating 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 HandlesTransporting If necessary, use assistance when loadingChanging Gears Transporting a UnitMaintenance MaintenanceRecommended Maintenance Schedules Service Interval Before each use or daily Periodic MaintenanceService Interval As required Check Engine Oil LevelService Pre-Cleaner Element and Air Cleaner Check Safety Interlock SystemSERVICE DEALER Service Interval After the first 5 hoursNote See chart for service intervals Service Interval Every 40 hoursCheck Tire Pressures Check Condition Of BeltsCheck Spark Plugs Service Interval Every 160 hoursChange Fuel Filter Yearly-Replace gearbox greaseAdjusting the Cutting Height AdjustmentsThread Locking Adhesives Mobil HTS Grease Or Food-Grade Anti-seizeAxle CuttingNumber Of Spacers HeightAdjusting the Axle Position Adjusting the Cutting Height with Blade Spacers Adjusting the Number of Spacers below Caster Support HubTransmission Belt Adjustment 3. Place the drive levers in the “park brake” position48 inch Deck Shown for Reference Only Wheel Drive Belt Pulley ScrapersEngine to Mower Deck Belt Belt Guide Adjustment Blade Brake AdjustmentBrake and Wheel Drive Linkage Adjustment Right Side of Unit Shown Shifter Lever AdjustmentHandle Height Adjustment Shifter Detent AdjustmentPTO Safety Switch Adjustment Upper Handle Wheel Drive Spring Tension AdjustmentUpper Hole More traction applied asClean Engine and Exhaust System Area CleaningClean Debris From Machine Remove Engine Shrouds and Clean Cooling FinsTroubleshooting TroubleshootingCutting blades is/are bent or unbalanced Schematics Schematics2 Year Limited Warranty Exmark Commercial Turf EquipmentInstructions for Obtaining Warranty Service Owner’s ResponsibilitiesPage 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