USC SEED 16 Series, Operator'S Manual

Page: 36 / 124

Page 36
Seed Series 16 & 20 Conveyor
Power to the conveying belt is transmitted through a V-belt. The V-belt drive system
must be maintained at the proper belt tension and pulley alignment to obtain the
desired performance and life. When maintaining the belt drive system for the electric
drive model, follow this procedure:
Turn motor off and unplug power cord or turn off power and lock out
the master panel before starting maintenance on drive belt system.
DRIVE BELT TENSION & ALIGNMENT
Drive Belt Tension
1. Push on the center of the belt span with a force
of approximately 5 to 10 lbs.
2. Follow the belt tensioning specification on page 37
to determine proper belt deflection.
3. Move the motor up, using the adjustment bolts, to
set drive belt tension (right).
4. Close and secure guards.
Drive Belt Alignment
1. Lay a straightedge across the pulley faces to
check the alignment (right).
2. Use the pulley hub or the motor mounting plate
slots to move the pulley to the required position
for alignment.
3. Tighten hub bolts to secure pulley on shaft.
4. Check belt tension
5. Close and secure guards.
Drive Belt Replacement
1. Lower motor to its loosest position.
2. Remove old belt and replace with a new one.
3. Raise motor to set the belt tension.
4. Check pulley alignment. Adjust if required.
5. Close and secure guards.
REPLACE
Motor base adjustment
Lay a straightedge across
pulley faces