SVC 3-13
22. Remove the two screws securing the fitting housing to the proportional control. (This will free
the valve transducer brazement from the proportional control valve.)
PROPORTIONAL
CONTROL VALVE
O-RING
VALVE
TRANSDUCER
BRAZEMENT
FITTING
HOUSING
SCREWS
23. Remove the four screws securing the inlet bypass clamp to the proportional control valve.
24. Replace any damaged or suspect components (particularly o-rings).
SCREW
INLET BYPASS
CLAMP
PCOC INLET BRAZEMENT
RESTRICTOR
RESTRICTOR
O-RING
O-RING
When connecting lines and fittings, ensure that all o-rings are properly installed.
25. Assemble the EPC components in the reverse order of disassembly.
26. Restore all gas supplies.
27. Leak check all installed fittings.
28. If the system is leak-free, install the left side panel and secure using two screws.
29. Restore power to the instrument.
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