4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 9: Replacement Procedures
Page 159
9.3.1.2
Replacing the Vacuum Pump Motor Breaker
See Figure 9-8.
1. Install the new breaker, hooking the top of the breaker on first and then pushing
the bottom of the breaker down into place.
2. Using a screwdriver, reinstall the two wires.
3. Be sure the orange switch on the breaker is in the UP position.
See Figure 9-8.
NOTE: The small window below the switch should be RED. If the window is
GREEN, flip the switch so that the window is RED.
4. Close the Control Panel door and lock the 2 metal clasps on the right-hand side of
the Control Panel.
5. Remove locks and tags from lockout tagout.
6. Turn the Power Switch to the ON position.
9.3.2
Vacuum Pump Motor Solid-State Relay Replacement
Safety
Use lockout / tagout procedures prior to starting work.
9.3.2.1
Removing the Solid State Relay
•
See Figure 9-2 & 9-9.
1. Turn OFF power to the VST Control Panel at the Power Switch located on the front
of the VST Control Panel. (The power, ground, and neutral will be completely
disconnected from the GREEN MACHINE
).
2. Follow lockout & tagout procedures prior to starting work.
3. Unlock the metal clasps on the right-hand side of the Control Panel and open the
Control Panel door.
4. Find the vacuum pump solid-state relay (see
Figure 9-4, item #
21) and note the wire
numbers and locations.
See Figure 9-9.
5. Using a screwdriver, remove the four wires.
See Figure 9-9
.
6. Remove the top screw and loosen the bottom screw securing the solid-state relay
to the Control Panel. The solid-state relay can now be removed by sliding up.
