Trouble Shooting - Flowserve ColdFlow 341000 User Instructions

8

TROUBLE SHOOTING

Problem
1 Operating temperature too high for selected
fittings
Actuator or
stem moves 2 Inadequate air supply
stiffly
3 Positioner defect
1 Bonnet is loose
2 Worn or damaged plug
3 Gaskets damaged
Excessive
4 Inadequate actuator thrust
leakage
5 Plug incorrectly adjusted
6 Incorrect direction of flow
7 Handwheel incorrectly adjusted (acts as an
end-stop)
1 Plug incorrectly adjusted (short stroke
Inadequate flow 2 Positioner defect
3 Operating requirements too high
1 Plug adjustment incorrect
2 Inadequate supply pressure
Plug slams
3 Trim too large for flow rate
Possible cause
Kämmer Series 341000 FCD KMENIM4104-01 03/18
1 Note the operating data and contact Flowserve
2 Check system for leaks in air supply or signal lines, re
tighten connections or replace lines if necessary
3 See operating instructions for positioner
1 See step 3.2.3 for re-tightening the bonnet correctly
2 Rework or replace plug
3 Renew gaskets
4 Check air feed. If air feed is OK, contact Flowserve
5 Correctly adjust plug according to step 3.3.1
6 Check specification. Contact Flowserve
7 Adjust handwheel
1 Correctly adjust plug according to step 3.3.1
2 See operating instructions for positioner
3 Check operating data. Contact Flowserve
1 Correctly adjust plug according to step 3.3.1
2 Check air supply, seal leaks, remove blockages
3 Replace trim
Remedy
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