Exmark 4500-645 manual Caster Pivot Bearings Pre-Load Adjustment, Adjusting the Tilt

Page 50

Maintenance

 

 

Figure 41

 

 

 

Figure 42

 

 

 

 

 

RH Motion Control Shown

1.

Bolts

4.

Nuts

 

 

 

 

 

2.

Control lever

5.

Slotted holes

1.

Screw

3. Motion control lever

3.

Control arm shaft

 

 

2.

Cover plate

2.Move the control lever to the next set of holes. Secure the lever with the two bolts.

3.Repeat the adjustment for the opposite control lever.

Adjusting the Tilt

The motion control levers can be tilted fore or aft for maximum operator comfort.

1.Loosen the upper bolt holding the control lever to the control arm shaft.

2.Loosen the lower bolt just enough to pivot the control lever fore or aft Figure 41. Tighten both bolts to secure the control in the new position.

3.Repeat the adjustment for the opposite control lever.

Motion Control Full Forward Tracking Adjustment

If the machine travels or pulls to one side when the motion control levers are in the full forward position, adjust the cover plates.

1.Loosen the screws on a cover plate (see Figure 42).

2.Slide the cover plate backward or forward to adjust the travel of the lever and tighten the screws.

3.Drive the machine and check the full forward tracking.

4.Repeat steps 1 through 3 until desired tracking is obtained.

Caster Pivot Bearings Pre-Load Adjustment

Remove dust cap from caster and tighten nyloc nut until washers are flat and back off 1/4 of a turn to properly set the pre-load on the bearings. If disassembled, make sure the spring disc washers are reinstalled as shown in Figure 43.

Figure 43

1.Spring disc washers

50

Image 50
Contents Lazer Z LPG Models All Rights Reserved Introduction Contents Safe Operating Practices SafetySafety Alert Symbol TrainingDo Not change the tanks when the engine is running Inspection Weekly OperationWith each tank change Tank RequalificationSlope Operation Using the Rollover Protection System Rops Maintenance and Storage Safety Safety and Instructional Decals 109-3148 109-7232 116-0157 116-0752 109-7069 109-9906 Systems SpecificationsModel Numbers Seat Hydrostatic Ground Drive SystemDimensions Tread Width Center to Center of Tires, Widthwise Curb WeightAccessory Weight Table Worksheet Wheel Base Center of Caster Tire to Center of Drive TireProduct Overview Torque RequirementsMotion Control Levers OperationControls Brake LeverHour Meter Ignition SwitchSafety Pressure Relief Valve Fuel ValveLPG Cylinder Brackets PTO Engagement SwitchLow Voltage Indicator Drive Wheel Release ValvesRaise the Rollover Protection System Rops Pre-StartOperating Instructions Engaging the PTO Open the Fuel ValveStarting the Engine Disengaging the PTODriving the Machine Driving ForwardDriving in Reverse Adjusting the Cutting HeightAdjusting the Anti-Scalp Rollers Do Not drive a unit on a public street or roadway TransportingTransporting a Unit Loading a Unit Operation Maintenance Recommended Maintenance SchedulesProposition 65 Warning Check Battery ChargeCheck Engine Oil Level Recommended Jump Starting Procedure Do Not jump start a weak battery if these conditions existCheck Mower Blades Check Safety Interlock System Check Rollover Protections Systems Roll Bar KnobsCheck for Loose Hardware Service Air CleanerCheck Seat Belt Change Engine OilLubricate Grease Fittings Check Tire PressuresCheck Condition Of Belts Lubricate Caster Wheel HubsCheck Spark Plugs Lubricate Brake Handle PivotLubricate Deck Lift Pivot Check LPG TankChange LPG Tank Change Hydraulic System Filter and FluidCopper-Based Anti-seize Wheel Hub Slotted Nut Torque SpecificationThread Locking Adhesives Dielectric GreaseAdjustments Deck LevelingPump Drive Belt Tension Adjusting the Parking Brake Deck Belt TensionElectric Clutch Adjustment Removing the Shim Motion Control Linkage Adjustment Motion Control Handle Adjustment Motion Control Damper AdjustmentMotion Control Neutral Lock Pivot Adjustment Adjusting the heightCaster Pivot Bearings Pre-Load Adjustment Adjusting the TiltClean Hydro Fan Cooling Fins Clean Engine and Exhaust System AreaRemove Engine Shrouds and Clean Cooling Fins Clean Debris From MachineMotor Oil Disposal Battery DisposalWaste Disposal Troubleshooting Problem Possible Cause Corrective ActionSee Drive Wheel Release Valves section Troubleshooting Schematics DiagramSchematic ElectricalHydraulic Diagram General Warranty Conditions and Products Covered Page Service Record Date Description of Work Done Service Done ByPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options