18
13.
The poly V-belt adjust
When the poly V-belt has got loose, first and upward loosen the M6 nut A, then
adjust the M6 nut B upwards, until the elasticity of the poly V-belt adjust to be
suitable
; If the poly V-belt is too tightly, the adjustment then is contrary.
M6 nut B
M6 nut A
hexagonal screw M6