Belt Tension And Alignment - Walinga ULTRA-VAC 5614D Manual

5.2.1 BELT TENSION AND
ALIGNMENT (cont'd)
4. Use a 10 pound weight to determine the belt
deflection in a static condition.
5. Adjusting Tension:
a. Loosen the jam nuts on the adjusting
bolts. Loosen bearing bolts slightly.
b. Turn the adjusting bolt to set the tension.
Turn both bolts the same amount to
maintain pulley alignment.
c. Check the tension again.
tightening will cause belt stretching and
overload the bearing. Belts that
are too loose will slip, tear and
wear rapidly. Check alignment,
see next section.
d. Tighten jam nuts. Tighten bearing
bolts.
e. Install and secure belt covers.
Over
Fig. 5-10 Deflection
Fig. 5-11 Tension Adjustment