4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 9: Replacement Procedures
Page 165
9.5
Rubber Flange Sleeve Replacement
NOTE:
The Rubber Flange Sleeve replacement is done with the motor still attached to the GREEN MACHINE base.
Safety
Use lockout / tagout procedures prior to starting work.
VST recommends replacing the Rubber Flange Sleeve every time Maintenance is performed on the
GREEN MACHINE even if the Rubber Flange Sleeve does not look damaged or worn.
9.5.1
Removing the Rubber Flange Sleeve
See Figure 9-12.
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 vacuum pump tubing will not be affected by moving the
vacuum pump motor.
4.
Remove the fan guard over the drive coupling flanges.
5.
•
Carefully move the junction box stand out of the way to allow for easier access to
motor mounting bolts.
•
Remove the two bolts holding the Internal Junction Box stand to the GREEN
MACHINE base. Keep the bolts for reuse.
6.
Remove the 4 motor mounting bolts from the motor base plate. Keep the shims from
under the motor base and 4-bolts for reuse.
7.
Without removing the electrical service from the vacuum pump motor, slide the motor
away from the vacuum pump so the rubber flange sleeve can be removed.
See Figure 9-13
.
Figure 9-12: Vac Pump Rubber Flange Sleeve Replacement