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Section 5 • Maintenance/Service
VSS/VSM/VSH/VSSH • Installation, Operation and Maintenance Manual • Emerson • 35391SD
Figure 5-4. Oil Sampling Valve (VPN #3709A) For Ammonia and Refrigerant Compressors
(a) Oil Sampler Valve for
Ammonia and Other Re-
frigerants Applications
(b) Valve shown ready for
oil sampling
(c) Valve shown in lockout
position
Figure 5-5. Operating the Oil Sampling Valve
Button being pressed,
valve open
Button released, valve
closed
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