Owner's manual

Appendix H: Measuring and Adjusting V-belt Tension
Table H1: Measuring V-belt Tension
V-belt Cross Section
Small Sheave Diameter
Range (Inches)
Recommended Deflection Force (lbs)
Initial Installation
Retensioned
Maximum Minimum
A
3.00 to 3.40
3.60 to 4.20
4.60 to 6.00
3.3
3.5
3.7
2.9
3.1
3.3
2.2
2.4
2.5
B
4.60 to 5.40
5.60 to 7.40
8.60 to 9.40
6.0
6.3
6.6
5.1
5.5
5.7
4.0
4.2
4.4
C
7.00 to 8.50
9.00 to 12.00
13.00 to 16.00
13.2
13.9
14.6
11.5
12.1
12.6
8.8
9.3
9.7
D
12.00 to 15.50
16.00 to 18.00
22.00 to 27.00
26.5
27.8
29.1
22.9
24.3
25.6
17.6
18.7
19.6
E
17.70 to 23.60
23.70 to 31.50
31.60 to 39.60
39.7
41.7
43.7
34.4
36.2
37.9
26.5
27.8
29.1
AX
2.10 to 3.40
3.60 to 4.20
4.60 to 6.00
4.4
4.6
4.9
3.7
4.0
4.2
2.9
3.1
3.3
BX
3.70 to 5.40
5.60 to 7.40
8.60 to 9.40
7.7
8.2
8.6
6.6
7.1
7.5
5.1
5.5
5.7
CX
5.80 to 8.50
9.00 to 12.00
13.00 to 16.00
17.2
18.1
19.0
15.0
15.7
16.5
11.5
12.1
12.8
3V
2.65 to 3.35
3.65 to 4.12
4.50 to 5.60
6.00 to 10.60
5.5
6.4
7.5
8.6
4.8
5.7
6.6
7.5
3.9
4.4
5.1
5.7
5V
7.10 to 8.50
9.00 to 11.80
12.50 to 16.00
19.2
23.3
27.3
16.7
20.3
23.8
13.0
15.6
18.5
8V
12.50 to 16.00
17.00 to 20.00
21.00 to 24.80
50.9
57.1
61.3
44.3
49.8
53.3
34.4
38.6
41.4
3VX
2.20 to 3.35
3.65 to 4.12
4.50 to 5.60
6.00 to 10.60
5.5
6.4
7.5
8.6
4.8
5.7
6.6
7.5
3.9
4.4
5.0
5.7
5VX
4.40 to 8.50
9.00 to 11.80
12.50 to 16.00
19.2
23.3
27.3
16.7
20.3
23.8
13.0
15.6
18.5
Plunger with
deflection force scale (lbs)
Body with deflection
distance scale (inches)
Small O-ring Large O-ring
Force
Deflection
Belt Span
Figure H1: Belt tension adjustment
VCES-V-CUBE-IOM-1A
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