Labconco FreeZone 1 Liter Benchtop Freeze Dry Systems 7740071 User Manual
Page 32
28
Chapter 6: Troubleshooting
Product Service: Domestic 1-800-522-7658, International 816-333-8811
and stopper the hole with a rubber stopper. Continue
checking the other valves.
7. Make sure that the sample valve bulkhead nuts are tight.
ither tighten by hand or use the wrench supplied with
chambers. To use the wrench, first remove the knob and
stem assembly and also the valve body. The pins on the
wrench fit into the round holes of the nut. The nut should
be snug, but avoid over-tightening. Replace the valve
body, knob and stem.
The illustrations below show how the sample valve installs on a
chamber and a manifold.
Knob & Stem
Assembly
Valve Body
Trim Ring
Manifold Assembly
Knob & Stem
Assembly
Bulkhead Nut
Gasket
(No grease
required)
Bulkhead
Fitting
Valve Body
Thrust Washer
Valve Assembly (Manifold)
Valve Assembly (Stainless Steel Chamber)
Knob & Stem
Assembly
Valve Body