5
When the drive is used as a discharge point, the unit may be equipped with adjustable air jets. The
air jets aid the discharge of product and keep the chain/discs clean of any residue. The air jets are
adjusted by using the air flow controller to reduce and increase air flow to the jets. To allow for
pressure relief, all units are supplied with a low-profile breather vent. In applications where the
breather vent is not desired, the port can be plugged with any 3/8” NPT plug.
Note:
•
For best results, a filter separator should be used on all compressed air supplies.
•
Each air jet assembly uses a total of 44 SCFM of air at 80 PSI [5.5 bars].
Adjusting the Speed:
The conveyor speed is controlled by the drive unit gearmotor. Units
equipped with the optional integrated VFD (variable frequency
drive), are designed for speed adjustment. To adjust the speed,
remove the dial cover and adjust the dial between 2 and 10. The
suggested running rate is slightly above that which is required to
maintain 80% product fill in the conveyor (see
Flow Control
pg.13).
For units that have been configured to have their speed remotely
controlled via HMI or PLC, the speed dial should be set to 6. When
remotely controlled, the speed dial sets the maximum value from 10hz to 100hz, so a setting of 6
allows the remote control to vary the speed up to 60hz.
Manual Rotation:
A notable feature of the drive unit gearmotor is that it can
be used to manually rotate the drive sprocket. This is often
helpful during chain installation and other maintenance
events. To manually rotate the drive sprocket, simply
remove the motor fan cover and slowly turn the fan in the
desired direction. Note that before removing any guards
that the
machine should be powered off and secured against
unauthorized activation.
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