Hayward PERFLEX EC65A, PERFLEX EC75A Owner's Manual page 25

Page 9 of 12
IMPORTANT — Testing a new pool plumbing
1. Opening or tear in one or more Flex-Tubes.
2. Rip or hole in diaphragm gasket.
D.E. leaking to
3. Worn or loose fitting diaphragm gasket
pool via the
(chemicals fed thru suction lines may shorten
return lines
life of this part).
4. Loose bolts on tube nest plates.
1. Caking of D.E. under tube sheet. Sometimes
caused by accumulation of sun tan oils, hair or
floating particles that bind together in a clay-
like form.
Hard bumping.
2. Overloaded with D.E. Sometimes happens
when last charge of dirty D.E. was not properly
drained.
3. Filter runs too long between bumping.
D.E. leaking Filter check valve worn or stuck open.
back to pool via
skimmer or main
drain.
Normal if pool contains:
1. Very dirty water.
Very short cycles
2. Presence of live, vigorously growing algae.
when
vacuuming.
Presence of alum or floccing agents, which will
clog filter.
system without adding D.E. will cause this
type of clogging.
1. Replace Flex-Tube.
2. Replace gasket.
3. Replace gasket.
4. Tighten bolts.
1. Bump-Drain-Recharge more
2. Bump-Drain-Recharge with
3. Bump more frequently.
Clean and/or replace.
1. Bump-Drain-Recharge more often.
2. Add enough chlorine to control this
3. Vacuum so as to by-pass filter.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN
IS65ING Rev A
cleaner-type preparations) to
chemically dissolve
contaminates. Consult your
pool dealer for chemical
cleaning instructions.
often and reduce the use of oils.
proper amount of D.E.
growth — then vacuum.
Avoid using floccing agents.
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