Exmark 4500-367 manual Lubricate Rear Caster Wheel Hubs, Service Interval Yearly

Page 25

Maintenance

Lubrication Chart

Fitting

Initial

Number of

Service

Locations

Pumps

Places

Interval

1. Caster

*0

3

*Yearly

Pivot

 

 

 

2. PTO

1

1

Yearly

Idler

 

 

 

3. Pump

1

1

Yearly

Idler

 

 

 

4. Rear

*0

1

*Yearly

Caster Hub

 

 

 

*See step 3 for special lubrication instructions on the front and rear caster pivots and the Lubricate Rear Caster Wheel Hubs section for special lubrication instructions on the rear caster wheel hubs.

Deck shown for reference only. See attachment

manual for lubrication schedule.

3.Lubricate caster pivots once a year. Remove hex plug and cap. Thread grease zerk in hole and pump with grease until it oozes out around top bearing. Remove grease zerk and thread plug back in. Place cap back on.

Lubricate Rear Caster Wheel Hubs

Service Interval: Yearly

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

 

Figure 6

1. Seal guard

2. Spacer nut with wrench

 

flats

2.Remove caster wheel from caster forks.

3.Remove seal guards from the wheel hub.

4.Remove one of the spacer nuts from the axle assembly in the caster wheel. Note that thread locking adhesive has been applied to lock the spacer nuts to the axle. Remove the axle (with the other spacer nut still assembled to it) from the wheel assembly.

5.Pry out seals, and inspect bearings for wear or damage and replace if necessary.

6.Pack the bearings with a NGLI grade #1 multi-purpose grease.

7.Insert one bearing, one new seal into the wheel.

Note: Seals (Exmark PN 103-0063) must be replaced.

8.If the axle assembly has had both spacer nuts removed (or broken loose), apply a thread locking adhesive to one spacer nut and thread onto the axle with the wrench flats facing outward. Do Not thread spacer nut all of the way onto the end of the axle. Leave approximately 1/8 inch (3 mm) from the outer surface of the spacer nut to the end of the axle inside the nut.

9.Insert the assembled nut and axle into the wheel on the side of the wheel with the new seal and bearing.

10.With the open end of the wheel facing up, fill the area inside the wheel around the axle full of NGLI grade #1 multi-purpose grease.

25

Image 25
Contents Navigator California Introduction Contents Safety Alert Symbol SafetySafe Operating Practices TrainingSafety Operation Slope Operation Maintenance and Storage Safety and Instructional Decals 103-9034 103-9724 109-4273 109-4638 109-7318 116-0404 116-1175 Molded in LH Console Molded into Front of Hopper Model Numbers SpecificationsSystems Dimensions Product Overview Curb WeightTorque Requirements Controls OperationOperating Instructions Pre-StartDisengaging the PTO Engaging the PTOStopping the Engine Driving the MachineEmptying Hopper TransportingClearing Hopper Screen Transporting a UnitLoading a Unit Recommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Battery ChargeService Air Cleaner Check Safety Interlock SystemCheck for Loose Hardware Change Engine OilCheck Tire Pressures Check Hydraulic Oil LevelCheck Condition Of Belts Lubricate Grease FittingsLubricate Rear Caster Wheel Hubs Service Interval YearlyLubricate Brake Rod Bushings Lubricate Brake Handle PivotLubricate Steering Linkage Rod Ends Lubricate Hopper ActuatorChange Hydraulic System Filter PTO Belt Replacement Fuel Tank Mounting Hardware SpecificationsCheck Wheel Hub Locknuts Check Wheel Lug NutsBelt Guide Adjustment Pump Drive Belt ReplacementBrake Adjustment Adjust Safety SwitchAdjust Speed Control Lever Tension Speed Control Linkage Adjustment Steering Control Lever Response AdjustmentPTO Drive Pulley Alignment Tracking AdjustmentPump Drive Pulley Alignment Hopper Door Adjustment Rear Caster Pivot Bearings Pre-Load AdjustmentPTO Brake Spring Adjustment Remove Engine Shrouds and Clean Cooling Fins Clean Engine and Exhaust System AreaClean Debris From Machine Waste DisposalProblem Possible Cause Corrective Action TroubleshootingTroubleshooting Electrical Diagram SchematicsStart Electrical Logic SchematicHydraulic Diagram Exmark Commercial Turf Equipment Page Page See EXMARK’S Complete Line of Accessories and Options