Wayne WAP75 Swimming Pool Pump User Manual


 
WINTERIZING
Always protect system from freezing
temperatures. Drain the system if there
is a possibility of freezing. To drain the
system:
1. Units with a filter:
a. Sand filter: Backwash for 3 to 5
minutes and then set dial valve to
winterize position.
b. Cartridge filter: Clean the filter
element and store in dry area.
2. Drain system by loosening drain
plug. The drain plug does not have
to be completely removed.
Removing pipe caps will facilitate
draining also.
3
Operating Instructions and Parts Manual
Maintenance
Disconnect, tag and lock
out power source before
attempting to install, ser-
vice, relocate or perform any mainte-
nance.
1. Motors are self-lubricating - no
additional lubrication is required.
2. Clean pool pump strainer of hair
and lint.
3. Visually inspect motor for blockage
of air vents on motor shell. Remove
any debris after shutting off breaker.
4. Replace worn shaft seals.
!
DANGER
HAIR AND LINT STRAINER
1. Switch off the power.
2. Close the valves in the suction and
return line.
3. Turn strainer Ring-Lok counter-
clockwise and remove stainer cover.
4. Lift strainer basket away from the
pump.
5. Clean and reposition the basket
into the pump. Take care to seat
the basket properly.
6. Clean the o-ring and relubricate
with petroleum jelly if necessary.
7. Clean o-ring seats on the cover and
strainer.
8. Refit the cover and strainer Ring-
Lok; hand tighten only.
9. Open the valves to return pump to
operation.
Do not retighten
strainer Ring-Lok
during operation.
!
CAUTION
Troubleshooting Chart
Symptom Possible Cause(s)
Motor does not
start
Motor does not
reach full speed
Motor overheats
(protector trips)
Pump does not
deliver water
Low pump capacity
1. Disconnect switch or circuit breaker
in OFF position
2. Fuses blown or thermal overload open
3. Locked motor shaft
4. Motor windings burned out
5. Defective starting switch inside sin-
gle-phase motor
6. Disconnected or defective wiring
7. Low voltage
1. Low voltage
2. Motor windings connected for wrong
voltage on dual voltage model
1. Low voltage
2. Motor windings connected for wrong
voltage on dual voltage model
3. Inadequate ventilation
1. Pump is not primed
2. Closed valve in suction or discharge
line
3. Leakage or air into suction system
4. Impeller clogged
1. Valve in suction or discharge line
partly closed
2. Suction or discharge line partly plugged
3, Suction or discharge line too small
4. Pump running at reduced speed (see
previous)
5. Plugged basket in skimmer or hair
and lint strainer
6. Dirty filter
7. Impeller clogged
8. Wrong rotation (3 phase only)
1. Pump running at reduced speed (see
previous)
2. Wrong rotation (three phase models
only)
3. Discharge valve or inlet fittings
open too wide
1. Discharge valve or inlet fittings
closed too much
2. Return lines too small
3. Dirty filter
1. Plugged basket in skimmer or hair in
lint strainer
2. Worn motor bearings
3. Valve in suction line partly closed
4. Suction line partly plugged
5. Vacuum hose plugged or too small
6. Pump not supported properly
Shaft seal requires replacement
1. Leakage of air into suction line at
connections or valve stem
2. Cover gasket around hair and lint
strainer needs cleaning
3. Restriction in suction line
4. Low water level in pool
Low pump capacity
(continued)
Low pump pres-
sure
High pump pres-
sure
Noisy pump and
motor
Leakage of water
at shaft
Air bubbles at inlet
fittings
Symptom Possible Cause(s)
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