Maintenance

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 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. Idler

1–2

1

25 Hours

Bushings

 

 

 

3.Inspect the belt for damage or wear. Replace belt with one of the following:

Deck

Part No.

 

 

44 inch Deck

1-653332

46 inch Deck

1-653438

48 inch Deck

1-653333

 

 

50 inch Deck

103-0866

 

 

52 inch Deck

1-653438

 

 

56 inch Deck

109-9249

A.To replace belt, remove the belt guide on the blower (Figure 8)

Check Condition of Belt

Service Interval: Every 50 hours

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

2.Inspect the belt position on the idler arm.

The idler arm may become bent during use or transport. A bent idler arm could cause the belt to jump off of the idler and be damaged.

A.Make sure the belt cover is installed and run the blower for one to two minutes.

B.Shut off the deck drive, stop engine and wait for all moving parts to stop. Remove key. Remove the belt cover and check to make sure that the belt is riding near the center of the flat idler on the idler arm.

C.If the belt is not riding near the center of the idler, remove the blower, and bend the idler arm slightly.

D.Reinstall the blower and belt cover and repeat steps A through C until the belt is positioned near the center of the idler.

 

 

Figure 8

 

1.

Spring loaded idler

4.

Belt guide

2.

Impeller sheave

5.

Deck sheave

3.Fixed idler

B.Install the belt onto the blower assembly as shown.

C.Reinstall the belt guide removed previously.

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Exmark QDS, 4500-420 manual Lubricate Grease Fittings, Check Condition of Belt

4500-420, QDS specifications

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