Y
es
No
Is the acrylic dip
tube pushed down?
No
Y
es
Is there liquid in the source tank?
Y
es
Is there a cr
ack in
the dip tube/Is the connector pushed down all the w
ay?
Y
es
No
Cy
cle through source
valv
e: does it
open/close to completion?
Push tube
down
No
R
eplace acrylic tube or push
down connector
Fill tank
Pump lost
suction
Source Pump: Not Pulling
Liquid