4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 7: Maintenance Procedures
Page 101
Functionality Test, continued…
10. During the Purge cycle:
1)
No air blowing/suction at the Vapor Inlet:
NORMAL
2)
No air blowing/suction at the Air Outlet:
NORMAL
3)
Momentary blowing at the Vapor Return:
NORMAL
4)
All other blowing or suction conditions at each location:
•
Make sure the Vacuum Pump is not in alarm. If so, see Chapter 8:
Troubleshooting.
•
Check the Control Valves to make sure they are all operational.
See Chapter 8: Troubleshooting.
•
Make sure there is no debris in the valve seat.
Clean the valves as shown in Chapter 7: Maintenance.
•
Make sure the flare nuts are tight. Check each 45° flare nut to make sure
they are snug but not over tightened.
11. After the Functionality Test has ended:
•
The PLC will automatically go back to the Maintenance Screen and will remain in the
OFF mode.
•
Lock open the three ball valves between the GREEN MACHINE and the Vent Risers,
and replace the caps on the three tees.
•
CAUTION: Make sure the 3-way valve below the Pressure Sensor is turned
VERTICAL (ON or Open). Leaving the valve turned OFF at the Pressure Sensor will
not allow the GREEN MACHINE to operate in the Normal Operating Mode.
•
At the PLC, push the ESC button to return to the Main Screen.
Figure 7-5: Functionality Test Screen
