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Product Service: Domestic 1-800-522-7658, International 816-333-8811
Chapter 7: Troubleshooting
6. When checking the sample valves, pull as much
vacuum as possible. If a vacuum indication is
displayed, wiggle or rotate the valves and watch
the gauge for any fluctuations. Fluctuations can
indicate a potential vacuum leak. If the valve
seems to be in good condition, remove the valve
and apply vacuum grease and reinstall the valve.
DO NOT APPLY VACUUM GREASE TO
THE GASKETS ON A DRYING
CHAMBER SAMPLE VALVE.
If the valve
still seems to be the source of the problem,
remove the valve and stopper the hole with a
rubber stopper. Continue checking the other
valves.
The illustrations below show how the sample valve
installs on a chamber and a manifold.
Thrust Washer
Valve Body
Bulkhead Nut
Knob & Stem
Assembly
Valve Body
Trim Ring
Manifold Assembly
Knob & Stem
Assembly
Bulkhead Nut
Gasket
Bulkhead
Fitting
Valve Body
Thrust Washer
Valve Assembly (Manifold)
Valve Assembly (Chamber)
