92
4741
B, C
A
9
Motor and motor control
Adjust drive belt tension if values exceed
those shown in the table.
9
Adjustments
Drive belt tension
The drive belt is pre-tensioned upon delivery
from the factory.
The drive belt tension should be as follows:
Model Force A Post tensioning B New belt C
(N) inch (mm) inch (mm)
EX618 30 5/16" (8) 1/4" (7)
EX625 40 3/8" (9) 5/16" (8)
EX630 53 3/8" 10 5/16" (8)
EX645 68 3/8" 10 5/16" (8)
EX660 75 3/8" 10 5/16" (8)
EX677 78 3/8" 10 5/16" (8)
Model Force A Post tensioning B New belt C
(N) inch (mm) inch (mm)
SU/W620 35 3/8" (9) 5/16" (8)
SU/W625 40 5/16" (8) 1/4" (7)
SU/W630 40 5/16" (8) 1/4" (7)
SU/W645 60 3/8" (9) 1/4" (7)
SU/W660 68 5/16" (8) 1/4" (7)
SU/W677 45 5/16" (8) 1/4" (6)