4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 6: Testing and Startup
Page 80
6.4.3
Bump Test Procedure
1.
At the Maintenance Screen, push the Vac Pump Bump button to go to the Bump Motor
Confirmation Screen.
See Figure 6-3
.
2.
At the Bump Motor Confirmation Screen, push the red Confirm Motor Bump button to start
the vacuum pump motor rotation. Then cancel the Bump Motor; push the green button to
return to the previous screen.
See Figure 6-4
.
3.
The Vacuum Pump Motor will rotate for 5-seconds, which is just enough time for the second
person at the GREEN MACHINE to check the motor rotation. The motor rotation is indicated
by a directional arrow on the pump.
4.
If the motor is rotating in the correct direction, the test is completed.
If the motor is not rotating in the correct direction, switch two of the motor wires, T5 and T8,
at the Vacuum Pump Motor Junction Box.
See Figure 6-5
.
5.
After changing the motor leads, run the Bump Test again to make sure the Vacuum Pump
Motor is rotating in the correct direction.
6.
When the test is completed, the PLC will show the Main Screen.
Figure 6-4: Bump Confirmation Screen
