5.4 FlOW SWITCH (FIguRe 5-2)
When excessive contamination is found in the air, the flow switch (FS-4) should be disassembled and cleaned as follows:
A.
Ensure the system is shut down and there is no trapped air under pressure in the piping.
B.
Remove the piston plug.
C.
Remove the spring. Use care when handling spring to prevent distortion.
D.
Remove the piston.
E.
Clean all parts with cleaning agent.
NOTe
ensure cleaning agent does not contain solvents which can degrade polysulfone. Warm water and detergent is
recommended for cleaning. Allow all parts to dry thoroughly before reassembly.
Reassemble the flow switch in reverse order.
PISTON PLUG
PISTON
SPRING
FLOW SWITCH
Figure 5-2. Disassembly / Assembly of Flow Switch
SeCTION 5
MAINTeNANCe
Содержание PCM-1125
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