Labconco FreeZone and FreeZone Plus 6, 12 and 18 Liter Freeze Dry Systems 79600 Series - Manual (Page 51)

47
Chapter 7: Troubleshooting
Product Service Domestic 1-800-522-7658, International 816-333-8811
The following test allows you to check the pump and the connections
from the pump to the vacuum tube.
1. Place a rubber stopper in the vacuum port in the left side of the
collector chamber and another in the drain port in the bottom.
2. Restart the vacuum system and check your vacuum indication.
Insufficient vacuum indicates a bad pump or a leak in the
connections from the pump to the side of the chamber.
The following test is used to check the collection chamber integrity.
The figure below points out potential areas to locate a leak:
Collector
Coil
Stopper
Areas for
Potential Leaks
Collector
Chamber