What to do when …
Problem RemedyCause
Filter does not empty, no
wet/dry function
Filter leaks at adaptor
Clean bypass.
Place filter in vertical
position.
Clean spray bar.
Insert end cap.
Properly install outlet pipe.
Replace with new o-ring
(order no. 7342238).
If misplaced, fit a new one
(order no. 7343400).
Clean sealing surface
and/or o-rings.
Correctly install or replace
o-rings.
Close locking lever as far as
it will go.
Push connection hoses as
far as they will go and
secure with hose clamp.
Bypass hole in wet/dry con-
trol mechanism soiled.
Filter in slanted position.
Spray bar soiled.
End cap on spray bar
missing.
Outlet pipe in pump lid
does not fit correctly.
O-ring on outlet tube is
broken.
Cleaning plug in pump
head is missing.
Sealing surface or o-rings
soiled.
O-rings not installed or
damaged.
Locking lever not complete-
ly closed.
Hoses not correctly
connected.
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