23
BELT TENSION TESTING PROCEDURE
BELT TENSION CHECKER
MEASURE THE BELT DEFLECTION FORCE
BELT TYPE
–
A
B
BELT
CROSS
SECTION
3 L
4 L
5 L
SMALL
PULLEY PITCH DIA. (P.D.)
RANGE
1.25 – 1.75
2 – 2.25
2.5 – 3
2.1 – 2.8
3 – 3.5
3.7 – 5
3 – 4.2
4.5 – 5.2
MINIMUM
1/2
5/8
3/4
1-1/8
1-1/2
1-7/8
2
2-3/8
MAXIMUM
5/8
7/8
1-1/8
1-5/8
2-1/8
2-5/8
2-7/8
3-3/8
BELTS
DEFLECTION FORCE - LBS.
FORCE SCALE
SPAN SCALE
RING
"0"
LARGE
"0"
RING
SMALL
BELT SPAN
DEFLECTION =
64
BELT SPAN
