Sterling BP1628, BP1640, BP1620 installation manual Measure the belt span see Figure

Belt pulleys

(Located on left-hand side of unit, under the sheave guard.)

1.Verify that the alignment of the pulleys is correct. Utilizing a straightedge of sufficient length to span from one pulley to the other, place it along the sides of both pulleys. The entire edge of each pulley should fully contact the straightedge.

2.Measure the belt span (see Figure 2).

3.Using a spring scale, apply a perpendicular force to any ONE of the belts at the midpoint of the span.

4.Measure the force (lbs.) required to deflect any ONE of the belts 1/64th of an inch for every inch of span. For example: the deflection for a 32 inch span would be 1/64th of an inch times 32 inches, or 1/2 inch. The force required to deflect the belt is listed in column A for new belt installations.

5.The motor position should be adjusted until the actual deflection force matches the forces listed in column A on page 32 for new belt installations.

BP1620, BP1628 & BP1640 Granulators Page 30 BP1600