Sterling SSL User Manual

1. Blowback 

sequence. 

2. Motor 

starts. 

3.  The flapper discharge valve seals under vacuum. 

4. Material 

conveys. 

5.  Hopper loader hopper fills. 

6.  Vacuum timer times out. 

7. Motor 

stops. 

8.  Blowback sequence begins, the flapper discharge valve opens 

under the weight, and material dumps. 

Steps 1 through 8 repeat automatically.

 

 

If the level switch remains open, the hopper loader remains idle until the material level in the 
bin drops and frees the discharge valve. Steps 1 through 8 in the loading sequence listed here 
resume automatically. 

 
 

Press the 

 UP key to increment up parameter values. 

 
 

Press the 

 DOWN key to decrement down parameter values. 

 
 

Press the 

 UP key and DOWN key together simultaneously while turning on power to 

reset to factory default values.