4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 6: Testing and Startup
Page 79
6.4
Bump Test
6.4.1
Purpose of the Bump Test
The purpose of the Bump Test is to ensure that the Vacuum Pump Motor is rotating in the correct
direction when the GREEN MACHINE is running.
•
Damage will occur to the vacuum pump if it rotates in the wrong direction.
6.4.2
Preparation for the Bump Test
1.
Make sure the Maintenance Screen is showing on the PLC.
See Figure 6-3
.
(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.
One person needs to be at the VST Control Panel to begin the Bump Test.
3.
A second person needs to be at the GREEN MACHINE when the Motor Bump Test begins.
4.
After the test is started, the motor will rotate for 5-seconds, which will allow the person at
the GREEN MACHINE to check the rotation of the motor.
Figure 6-3: Maintenance Screen
