5.0 MAINTENANCE
Figure 5.7: Belt Span
6.) Compare the force you have applied with the values in table 5.7B.
Note: A new drive should be tensioned to the higher value. After the drive has been running for
30 minutes, the tension should be checked and readjusted to a higher value, if necessary.
Table 5.7A:
Belt Span Lt (cm)
Deflection Td (cm)
25 – 30
31 – 36
37 – 42
0.4
0.5
0.6
43 – 48
49 – 54
55 – 60
0.7
0.8
0.9
61 – 66
67 – 72
55 – 60
1.0
1.1
1.2
79 – 84
85 – 90
91 – 96
1.3
1.4
1.5
97 – 102
103 – 108
109 - 114
1.6
1.7
1.8
Table 5.7B:
Belt Type
Small Pulley Diameter (Inch.)
Maximum Deflection (Kg)
A
3.0 – 5.5
1.0 – 1.5
B
5.0 – 8.0
2.0 – 3.1
C
8.0 – 16.0
4.1 – 6.1
