Troubleshooting (cont.)
Symptom
Probable Cause
Recommended Action
I.
Bleed Hole
in
Diaphragm
Plugged or
Debris on
Seal
•
Turn off the water supply.
•
Purge the urinal valve.
•
Disconnect the urinal valve
from the control stop and the
vacuum breaker assembly.
•
Remove the urinal valve cap.
•
Loosen the set screw for the
inlet arm.
•
Unscrew the inlet arm.
•
Inspect the diaphragm and
sealing surface for debris.
•
NOTE:
Take care to replace the
diaphragm in its seat before
installing it into the valve body.
•
Clean any debris and
reassemble the unit.
2.
Low Flow
A.
Supply Stop
Not Fully
Open
•
Remove the cover on the end
of the supply stop.
•
Turn the supply stop screw
counterclockwise until it is in
the fully open position.
•
Replace the cover.
B.
Supply Stop
Not
Allowing
Enough
Flow
•
Remove the cover on end of
the supply stop.
•
While testing the flush, adjust
the supply stop screw
counter-clockwise until
adequate flow is achieved.
•
Replace the cover.
C.
Supply
Pressure is
Low
•
Check any filtration systems for
blockage.
•
Measure the incoming water
pressure. Minimum pressure
should be 20 psi (1 kPa).
1025497-5-B
22
Kohler Co.
