DMEGA Mega Power I - Page 12

Mega Power - Liquid Ring Vacuum Pump
12
Symptom Possible Cause(s) Solution
Low or
no
vacuum
Filter is clogged
Clean screen of filter
Water inlet strainer is
clogged not
allowing
water to go through pump.
Turn pump OFF immediately to
prevent internal damage.
Then unclog water inlet strainer
Loose or broken
vacuum line
connections.
Tighten, repair or replace vacuum line
connections.
Swing check valves
clogged allowing pump to
suction through the other
pump.
Take off the top of the valve and, if
possible, remove debris. Otherwise,
the valve should be replaced.
Pump is worn out.
Check the pump inside and replace it.
Insufficient water supply.
Check water supply is sufficient.
Too excessive usage Verify pump capacity
Check specifications for maximum number of
simultaneous users.
Upgrade vacuum system if necessary
Solenoid valve is fault
(motor is running but no vacuum)
Check solenoid valve and if necessary
replace it.
Pump is
leaking
Leaking water inlet / drain tubing
or water connection fitting
Check all connecting tubing and fitting
tightened and if necessary replace it.
Leaking water standing around
solenoid valve
Check solenoid valve and if necessary
replace it