Exmark 4500-497 manual Dielectric Grease, Pump Drive Belt Tension, Pump Drive Belt Replacement

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Maintenance

•Pump drive sheave set screws.

•Line shaft sheave setscrews.

•Square head setscrews on Hydro pump control arms.

•Sheave retaining bolt in the end of engine crankshaft.

•Caster wheel spacer nuts.

•Fuel tank bulkhead fitting nuts.

•Motion control tab retaining bolt.

Adhesives such as “Loctite RC/609 or RC/680” or “Fel-Pro Pro-Lock Retaining I or Retaining II” are used on the following:

Fuel tank studs, where studs are inserted into tank.

Dielectric Grease

Dielectric grease is used on all blade type electrical connections to prevent corrosion and loss of contact.

Adjustments

Note: Disengage PTO, shut off engine, wait for all moving parts to stop, engage parking brake, and remove key before servicing, cleaning, or making any adjustments to the unit.

Pump Drive Belt Tension

Self-tensioning - No adjustment necessary.

Pump Drive Belt

Replacement

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

2.Remove pump drive belt.

3.Route new belt onto sheaves as shown in the decal located on the right hand side of the left hood support (see Figure 11).

Figure 11

Park Brake Adjustment

Check to make sure brake is adjusted properly.

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

2.Tilt seat forward and raise hood.

3.Pull the brake lever up into the engaged position.

4.Locate the park brake spring assembly (see Figure 12). There should be a gap of 1/8 inch (3 mm) between the yoke and thin nyloc nut on the brake bolt. If necessary, rotate the thin nyloc nut to obtain the 1/8 inch gap.

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Contents Frontrunnertm California Introduction Contents Safety Safety Alert SymbolSafe Operating Practices TrainingSafety Operation Using the Rollover Protection System Rops Slope OperationMaintenance and Storage Safety Safety and Instructional Decals 109-2355 109-2356 109-2358 109-2377 109-2396 109-7413 116-1003 109-2360 Systems SpecificationsModel Numbers Cutting Deck Hydrostatic Ground Drive SystemTires & Wheels Dimensions Torque RequirementsControls Product OverviewOperation Pre-Start Operating Instructions Raise the Rollover Protection System RopsOpen the Fuel Shut-Off Valve Starting the EngineStopping the Engine Driving the MachineDisengaging the PTO Transporting Transporting a UnitLoading a Unit Maintenance Recommended Maintenance SchedulesCheck Battery Charge Check Engine Oil LevelCheck Safety Interlock System Engine must initiate shutdownCheck Rollover Protections Systems Roll Bar Pins Service Air CleanerCheck Seat Belt Check for Loose HardwareCheck Auxiliary Hydraulic Oil Level Check Tire PressuresCheck Condition Of Belts Lubricate Grease FittingsLubricate Rear Caster Wheel Hubs Pumps PlacesLubricate Motion Control Shaft Lubricate Brake Handle PivotLubricate Brake Rod Bushings Lubricate Motion Control Bronze BushingsFuel Tank Mounting Hardware Specifications Change Hydraulic System FilterCheck Wheel Hub Locknuts Thread Locking AdhesivesPump Drive Belt Replacement Park Brake AdjustmentDielectric Grease Pump Drive Belt TensionMotion Control Linkage Adjustment Weight Transfer Spring Adjustment Caster Pivot Bearings Pre-Load Adjustment Clutch ShimFeeler gauge Brake mounting bolt Cleaning Clean Engine Cooling SystemRemove Engine Shrouds and Clean Cooling Fins Battery DisposalWaste Disposal Motor Oil DisposalTroubleshooting Problem Possible Cause Corrective ActionTroubleshooting Schematics Ignition SwitchIgnition Switch 31HPElectrical Logic Schematic 27HP Kohler Black / Grey Rown BElectrical Logic Schematic 31HP Briggs & Stratton VioletHydraulic Diagram Exmark Commercial Turf Equipment Page Page Service Record Page Page See EXMARK’S Complete Line of Accessories and Options