AquaStar Pool Products
- Pipeline Pump Instructions
25
Air leakage on suction
system
With pump off, remove the strainer lid and lock ring. Ensure that the
O-ring is not damaged, properly seated in O-ring groove, and properly
lubricated. Replace strainer lid and lock ring and tighten.
With pump off, remove union connections and ensure that the O-ring
is not damaged, properly seated in O-ring groove, and properly
lubricated. Replace union connections and tighten by hand.
With pump off, remove drain plugs and ensure that the O-ring is not
damaged, properly seated in O-ring groove, and properly lubricated.
Replace drain plugs and tighten by hand.
Check all plumbing connections on suction side of pump for leaks.
Clogged pump
With pump off, empty and clean strainer basket. Check suction inlet
port and diffuser inlet for clogged debris.
If basket is clean and ports are not clogged then the pump must be
disassembled and checked for obstructions (Contact a qualified repair
professional).
Plugged or restricted
discharge line
Check filter for high pressure readings and clean per manufacturer’s
instructions if necessary.
Check all components on pressure side of pump for obstructions.
Leakage of water
Failed shaft seal
If water is leaking from the center of the seal plate where motor
shaft attaches then the shaft seal will need to be replaced (Contact a
qualified repair professional).
Failed seal plate seal
If water is leaking from the gap between the seal plate and pump
housing, then the seal plate and/or seal plate O-ring will need to be
replaced (Contact a qualified repair professional).
Excessive pump
noise
Pump not adequately
mounted
Ensure that the motor is securely bolted to a flat concrete surface.
Pump cavitation
Ensure pump is fully primed.
Improve suction conditions by increasing pipe size and/or reducing
flow restrictions on the suction side.
Inspect suction side plumbing for air leaks.
Foreign matter in
pump
Turn off power to pump at breaker, disassemble the pump, and inspect
for foreign matter. Inspect impeller and diffuser for damage (Contact a
qualified repair professional)..
Pump will not
prime
Air leakage on suction
system
With pump off, remove the strainer lid and lock ring. Ensure that the
O-ring is not damaged, properly seated in O-ring groove, and properly
lubricated. Replace strainer lid and lock ring and tighten.
With pump off, remove union connections and ensure that the O-ring
is not damaged, properly seated in O-ring groove, and properly
lubricated. Replace union connections and tighten by hand.
With pump off, remove drain plugs and ensure that the O-ring is not
damaged, properly seated in O-ring groove, and properly lubricated.
Replace drain plugs and tighten by hand.
Check all plumbing connections on suction side of pump for leaks.
Not enough water in
pump housing
Ensure that the strainer side of the pump is full with water, if not refer
to the MANUAL FILL section of these START UP instructions.
6.0 TROUBLESHOOTING
CONTINUED
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