4. Use the appropriate weight to determine the
belt deflection in a static condition (Table 1)
5.
Adjusting Tension:
a.
Loosen the jam nuts on the motor
Fig.5.8 BELT DEFLECTION
base and position adjusting bolts.
Loosen base 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.
Over 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 base position bolts.
e. Tighten jam nuts.
f.
Install and secure belt covers.
Fig. 5.9 ADJUSTING BOLTS
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