Dean MF90 Series Parts Manual page 12

6.4 RATE OF OIL RETURN TO FRYER SLOWS?
Rate of oil return to fryer is slowing.
the first fryer being
filtered during this filtering
Check the condition
of the filter paper in
properly secured in
Change paper. Throw away top
sheet, and use old bottom sheet as
new top sheet. Reinstall hold
Add correct amount of
filter powder, and
reassemble filter.
"ON". Has oil flow rate
Is this
No
session?
Yes
filter pan.
Is paper
No
filter pan?
Yes
down ring.
Turn motor
No
improved?
Yes
Proceed
with filtration.
Check for excess
sediment build-up
on filter paper.
If paper is incorrectly
installed under hold down
ring, air may be getting into
the system.
Blockage may be between
bottom of filter pan and
flexible hose quick
connect.
Go to Section 6.5.
11
Disasemble unit and wipe
excess sediment out of the
bottom of filter pan "sump",
and remove any sediment from
drain ports in pick-up tube.
Install new filter paper.