IM-P102-04
CTLS Issue 7
27
6.4 Temperature in plant too low
6.4.1
If the temperature in the plant is below the normal control setting this could be caused by one of the
following:
6.4.2
Lack of steam supply. Check that the steam is turned on and that the strainers are clean.
6.4.3
Pipe assembly blocked. Remove by uncoupling unions and blow through to clear obstruction.
6.4.4
Diaphragm fractured.
6.5 Pilot valve packless gland leaking
6.5.1
If, with the adjustment head removed and steam on the valve, steam is seen to be leaking from the top
of the hexagon nut it indicates failure of the packless gland. Replace as Section 4, Steps 1, 2, 14 and 15.
Summary of Contents for 37D
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