ADCA
VAL
S
TEAM
ADCA
IMI 9.101 E 02.17
•
When reassembling make sure that all gasket faces are clean and always use a new gasket. Tighten cover
bolts uniformly in a diagonal sequence.
•
Estimated lifetime under satisfactory working conditions: 5 years; after this period, we recommend the wall
thickness examination using appropriated inspection equipment. Pour quality water or corrosive fluids will
reduce this period.
•
Always apply the mentioned torques, see recommended tightening torques table when maintenance operations
are carried out.
•
Maintenance should proceed as follows:
1. Isolation valves should be closed, and the pressure and temperature must be atmospheric.
2. Remove the type of connections used.
3. Execute the maintenance work.
4. Replace and tighten the
connections. (Don’t forget to substitute the gasket).
5. Consider the start up conditions.
TROUBLESHOOTING
-
If the malfunctions cannot be solved with the help of the following chart, please consult the manufacture.
-
Some of these faults may only occur in some models.
TROUBLE SHOOTING CHART
FAULT
POSSIBLE REASON
SOLUTION
Continuasly leak through the
exaust.
Motive fluid admission/exhaust valves
damaged.
Replace.
Premature erosion of admission
valve.
Pour quality steam.
Check the trapping of the motive
fluid (steam).
Pump stops to work.
Broken spring *
Float with water in the interior *
Replace.
Replace.
Blocked in the maximum/lowest
level.
Detuned.
Readjust (See Figure 1).
Pump discharge capacity is
decreasing
Clogged/obstructed strainer
Clean or replace the filter element
* Manufacture to be informed. The life time of this component is assured beyond the guarantee validity.
