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ADCA
VAL
S
TEAM
ADCA
IMI M3HP.10 E 03.15
TROUBLESHOOTING
-
If the malfunctions cannot be solved with the help of the following chart, please consult the manufacture.
TROUBLE SHOOTING CHART
FAULT
POSSIBLE REASON
SOLUTION
Leakage at body joints
Untighten fixing bolts
Damaged body seals
Retighten the fixing bolts (17). If the problem
remains, disassemble the valve body and change
the body seals (9).
Stem leakage
Loosen spring washers
Damaged stem seals
Remove the lever (12,13), the lock washer (16)
and inspect. If the spring washers (14) are in
good conditions but loosen, retighten the
compression nut (15); if the spring washers are
damaged remove the compression nut and
replace the spring washers.
If the leakage remains disassemble the stem
assembly, check if the stem seals (10) are
damaged and replace if necessary.
Leakage through the valve
Damaged seats
Damaged ball surfaces
Check, with the valve closed, if there's flow at the
valve outlet. If yes, than disassemble the valve
body and check for damages in the seats and ball
surfaces. Replace for new ones if necessary.