4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 9: Replacement Procedures
Page 187
9.11
Leak Test
9.11.1
Purpose of the Leak Test
•
The purpose of the Leak Test is to ensure that all of the GREEN MACHINE tubing fittings
and tubes located inside the GREEN MACHINE are leak free.
9.11.2
Preparation for the Leak Test
1. At the GREEN MACHINE, remove the locks from the three ball valves, close the three
valves, and remove a cap from one of the tees. (Only one open tee is required for this
test.)
See Figure 9-36
.
2. CAUTION: Make sure the 3-way valve below the Pressure Sensor is turned HORIZONTAL
(OFF or Closed). Leaving the valve ON during this test may damage the Pressure Sensor.
3. Make sure the Maintenance Screen is showing on the PLC.
See Figure 9-37
.
(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: 878.
4. Compressed Nitrogen bottle with a regulator is required for the Leak Test.
5. A Leak Test Fixture is required for the Leak Test.
See Figure 9-40
.