Maintenance

c. Verify that V-belts are properly tensioned by applying a set force to the belt and measuring the deflection to determine the belt tension.

Refer to Table 2 for the acceptable belt tension ranges. Belt tension measurements should be taken as close to the center of the belt span as possible. Refer to Figure 10.

1

Deflection

2

Span Length

1

2

H039I

 

 

 

 

Figure 10

 

 

 

 

 

 

 

Belt Tension Testing

 

 

 

 

 

 

 

 

Model

Belt

Belt Span

Deflection Range

 

Force

 

Min – Max

 

 

 

 

 

 

 

 

 

 

 

125

Motor-Basket

50 in. (1270 mm)

.78 in. (20 mm)

 

5 – 7 lbs. (22 – 31 N)

 

 

 

 

 

 

Table 2

NOTE: Hoses and other natural rubber parts deteriorate after extended use. Hoses may develop cracks, blisters or material wear from the temperature and constant high pressure they are subjected to.

2.Check all hoses for any visible signs of deterioration. Any hoses showing signs of deterioration listed above should be replaced immediately.

NOTE: All hoses should be replaced every five years.

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