NOTE: Make sure you identify the valve before disassembling it to make sure
you have the correct seal kit available. For more information see Compac
Technical bulletin CTB10015.
Before you start, obtain the following replacement parts and equipment:
Seal Kit Part Number is FC-SK-0049
Three-way valve ball spindle is FC-SVK-0002 (optional)
To remove the three-way valve seals:
CAUTION: Take care when disassembling the valve, as a lot of parts look
similar.
- De-pressurise the valve and remove it from the hose assembly.
- Disassemble the valve, as per the figure on the next page.
Clean all components with a clean dry lint free rag.
CAUTION: O-rings that are subjected to Natural Gas at high pressure. Swell
when exposed to air. Once swollen they must be replaced.
- Blow compressed air (100 psi) through all ports to remove any impurities
that may damage the seals in operation.
CAUTION: Wear appropriate safety eye wear when using compressed air.
To install new three-way valve seals:
- Cut the handle shaft back-up ring on an angle so it can be fitted onto the
shaft
NOTE: Check that the back-up rings are free of burrs and sharp edge.
- Position the seals in the appropriate slots on the handle shaft.
CAUTION: O-rings that are subjected to Natural Gas at high pressure swell
when exposed to air. Once swollen they must be replaced.
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