Operating Guide

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Block o󰀨 to determine if pump will develop a vacuum. You should have 5”-6” of vacuum at the strainer cover
(Only your pool dealer can conrm this with a vacuum gauge). You may be able to check by removing the
skimmer basket and holding your hand over the bottom port with skimmer full and pump running. If no suction
is felt, check for line blockage.
a. If pump develops a vacuum, check for blocked suction line or dirty strainer basket. An air leak in the
suction piping may be the cause.
b. If pump does not develop a vacuum and pump has su󰀩cient “priming water”:
i. Re-check strainer housing cover and all threaded connections for suction leaks. Check if all system
hose clamps are tight.
ii. Check voltage to ensure that the motor is rotating at full RPM’s.
iii. Open housing cover and check for clogging or obstruction in suction. Check impeller for debris.
iv. Remove and replace shaft seal only if it is leaking.
E. Low Flow
Clogged or restricted strainer or suction
line.
Contact a qualied repair professional.
Undersized pool piping. Correct piping size.
Plugged or restricted discharge line of lter,
valve partially closed (high gauge reading).
Sand lters - backwash as per manufacturer’s
instructions; D.E. lters - backwash as per
manufacturer’s instructions; Cartridge lters -
Clean or replace cartridge.
Air leak in suction (bubbles issuing from
return ttings).
Re-tighten using Teon tape.
Plugged, restricted, or damaged impeller. Replace, including new seal assembly.
F. Noisy Pump
1. Air leak in suction piping, cavitations
caused by restricted or undersized
suction line or leak at any joint, low
water level in pool, and unrestricted
discharge return lines.
1. Correct suction condition or throttle return
lines, if practical. Holding hand over tting
will sometimes prove this point or putting in
a smaller eyeball tting.
2. Vibration due to improper mounting,
etc.
2. Replace mounting.
3. Foreign matter in pump housing. Loose
stones/debris hitting impeller could be
cause.
3. Clean the pump housing.
4. Motor bearings noisy from normal wear,
rust, overheating, or concentration of
chemicals causing seal damage which
will allow chlorinated water to seep into
bearings wiping out the grease causing
bearing to whine.
4. All seal leaks should be replaced at once.