Superabrasive
Owner’s Manual – LAVINA® LB36G-S
5/2018
34
7.12 CHECKING THE TENSION OF THE MAIN BELT
Dismantle the front cover as per. 7.3. Measure the tension at point A (Fig.7.12.2). The belt tension can be tested manually by
pushing with a force of 7.5 kg or 13 lbs at point A, the deflection of a used belt must be 18,8 mm or + 0.74 Inch. The deflection
of a new belt must be 15,24 mm or + 0.6 Inch.
It is recommended that the tensioning of the belt be measured with Optikrik II Device (Measuring range: 500-1400 N)
(Fig.7.12.1). Loosen the motor plate (Fig.7.12.3) and unscrew the tensioning bolt "1" (Fig.7.12.2) or (Fig.7.12.4).
The original pressure is P=717 N and will
eventually drop to P=552 N.
After adjusting the belt, tighten the motor plate.
ATTENTION:
NEVER “OVER” TENSION THE BELT, THE BELT WILL BE DESTROYED AND IT WILL NEVER
RECOVER ITS ORIGINAL TENSION
7.13 CHECKING THE TENSION OF THE FAN BELT
See section 7.6 - Tensioning and replacing the fan belt
The measuring is done at point (А) of the belt (Fig.7.13.2). The belt tension can be tested with an OPTIKRIK 0 at point (А)
(Fig.7.13.1) (Fig.7.13.2). Тhe tension of an existing belt must be 70N. The tension of the a belt must be 91N.
ATTENTION:
NEVER “OVER” TENSION THE BELT, THE BELT WILL BE DESTROYED AND IT WILL NEVER RECOVER ITS ORIGINAL TENSION
Figure 7.12.1
Figure 7.12.2
Figure 7.13.1
Figure 7.13.2
Figure 7.12.3
Figure 7.12.4
