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IM-P278-01-EN-ISS1
CTLS
14
35.
Ensure the gasket faces are clean.
36.
Refit the main valve head.
37.
Replace the main valve return spring.
38.
Fit a new gasket.
39.
Replace the screen.
40.
Assemble the top housing complete with the spring housing assembly and tighten the nuts to the
recommended torques shown in Table 1, page 8.
41.
Refit the pipework and retighten the unions to ensure a tight seal. Bring the valve back into commission.
36
35
38
37
41
39
40
Summary of Contents for HL 17
Page 20: ...IM P278 01 EN ISS1 CTLS 20...