4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 7: Maintenance Procedures
Page 98
7.3
Functionality Test
7.3.1
The Purpose of the Functionality Test
The purpose of the Functionality Test is to verify that the Control Panel, Vacuum Pump, and the
Control Valves are working properly.
7.3.2
Preparation for the Functionality Test
1.
At the VST Control Panel, make sure the Maintenance Screen is showing on the PLC.
See
Figure 7-3
. (The GREEN MACHINE is now in the Manual OFF mode and will not operate.)
If the PLC is not in the Maintenance Screen: At the Main Screen, push the Maintenance
Screen button to access the Password Screen, then enter the password to access the
Maintenance Screen: Password is 878.
2.
At the GREEN MACHINE, make sure the locks from the three ball valves have been removed,
all three valves are closed, and the caps from the three tees have been removed.
See Figure 7-4
.
3.
Unlock the hasp and remove the cover from the GREEN MACHINE.
4.
Close the 3-way valve below the Pressure Sensor so the handle is turned HORIZONTAL (OFF
or Closed). Leaving the valve ON or Open during this test may damage the Pressure Sensor.
Figure 7-3: Maintenance Screen
