Exmark 4500-501 Rev A manual Lubricate Grease Fittings, Lubricate Caster Wheel Hubs

Models: 4500-501 Rev A

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Maintenance

3.Remove left and right belt shields on deck and lift up floor pan to inspect deck drive belt.

4.Check under machine to inspect the mule drive belt. Refer to Mule Drive Belt Tension Adjustment section in Adjustments.

Lubricate Grease Fittings

Note: See chart for service intervals.

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

2.Lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose gun grease.

Refer to the following chart for fitting locations and lubrication schedule.

Lubrication Chart

 

Fitting

Initial

Number of

Service

Locations

Pumps

Places

Interval

1.

Front

*0

2

*Yearly

Caster wheel

 

 

 

hubs

 

 

 

2.

Front

*0

2

*Yearly

Caster

 

 

 

Pivots

 

 

 

3.

Height

1

5

40 Hours

Adjustment

 

 

 

Shaft

 

 

 

Bearings

 

 

 

4.

Deck

1

1

Yearly

Drive Belt

 

 

 

Idler Arm

 

 

 

5.

Brake

1

2

200 Hours

Brackets

 

 

 

6.

Mule

1

1

Yearly

Drive Belt

 

 

 

Idler Arm

 

 

 

7.

Pump

1

1

Yearly

Drive Belt

 

 

 

Idler Arm

 

 

 

8.

Deck

1

2

40 Hours

Rear Struts

 

 

 

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

Number 6 (Mule Drive Belt Idler Arm) Located

Under Engine Frame

Number 7 (Pump Drive Belt Idler Arm) Located

Under Engine Frame

3.Lubricate front 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 Caster Wheel Hubs

Service Interval: Yearly

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

 

Figure 13

1. Seal guard

2. Spacer nut with wrench

 

flats

2. Remove caster wheel from caster forks.

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Image 33
Exmark 4500-501 Rev A manual Lubricate Grease Fittings, Lubricate Caster Wheel Hubs