Sterlco SMS Series Single Shaft Shredder - Manual (Page 46)

GRN4-605 Chapter 5: Maintenance 46 of 93
Checking and adjusting the tension force of the V-belt
1. Verify that the alignment of the pulley 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 face of each pulley should fully contact the
straightedge.
2. Measure the belt SPAN with a measuring tape. Record this dimension in your
note book.
3. Using the deflection tester, apply a perpendicular force at the midpoint of any
one of the belts to deflect the belt 1/64th of an inch.
4. Calculate the deflection force:
FORCE[Lb]= SPAN[IN] X (1/64)[Lb/IN]
5. Identify the belt type and measure the small sheave diameter. Look up
the proper model belt deflection force table and find out what the force
is supposed to be.
6. The motor position should be adjusted until the actual deflection force matches
the force listed in the table.