4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 9: Replacement Procedures
Page 167
9.6
Vacuum Pump Motor (Only) Replacement
9.6.1
Removing the Vacuum Pump Motor
•
See Figures 9-14 & 9-15.
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 hasps and remove the cover from the GREEN MACHINE.
NOTE
: The vacuum pump and tubing will not be affected by removing the motor.
4. Remove the fan guard over the drive coupling flanges.
5. Disconnect the motor wires inside the motor junction box.
See Figure 9-15
.
6. Remove the flexible conduit and 90° liquid tight fitting from the vacuum pump
motor junction box and keep for re-use.
7. Remove the two bolts holding the Internal Junction Box stand to the GREEN
MACHINE base. Keep the bolts for re-use.
8. Remove the 4 vacuum pump motor mounting bolts from the motor base and keep
them for re-use.
•
Note the location of the shims for replacement.
9. Slide the vacuum pump motor away from the vacuum pump and remove.
10. The rubber flange sleeve between the vacuum pump and the motor may, at the
discretion of the contractor, be replaced if worn.
Figure 9-14: Vacuum Pump Components
