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Pump Service - STA-RITE MPE Owner's Manual

Mpra, mpea, and mpe series centrifugal pumps with integral trap
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For outdoor/unprotected installations:
1. Enclose entire system in a weatherproof enclosure.
2. To avoid condensation/corrosion damage, allow venti-
lation; do not wrap system in plastic.
3. Use a 40% propylene glycol/60% water solution to
protect pump to -50°F (-46°C).
Draining Pump
Explosion hazard. Purging the system with
compressed air can cause components to explode, with
risk of severe injury or death to anyone nearby. Use only
a low pressure (below 5 PSI), high volume blower when
air purging the pump, filter, or piping.
1. Pump down water level below all inlets to the pool.
Hazardous voltage.
Can shock, burn,
or cause death.
Disconnect power
before working
on pump or motor.
drain the tank body through the two drain plugs provided.
A. Gravity drain system as far as possible.
B. Protect areas which retain water with non-toxic
propylene glycol antifreeze ("RV" antifreeze).
5. Clean pump thoroughly; replace trap cover.
NOTICE: Tighten trap cover by hand only (no
wrenches)! If pump is not anchored, use caution to
not break attached piping!
6. Be sure motor is kept dry and covered.
To avoid dangerous or
fatal electrical shock
hazard, turn OFF power to
motor before draining pump.
2. Remove trap cover handle
ring (turn counterclock-
wise). If necessary, tap han-
dles gently with a rubber
mallet. Low pressure air
can be used to remove re-
maining water from the
piping.
3. Cap inlet piping after
draining to keep water out
of the pipes.
4. To prevent pump from freez-
ing, remove trap cover and
Startup For Winterized Equipment
1. Remove any temporary weather protection placed
around system for shutdown.
2. Follow filter manufacturer's instructions for reactiva-
tion of the filter.
3. Inspect all electrical wiring for damage or deterioration
over the shutdown period. Have a qualified service-
man repair wiring as needed.
4. Inspect and tighten all watertight connections.
5. Open all valves in suction and return piping.
6. Remove any winterizing plugs in piping system.
7. Drain all antifreeze from system.
8. Close all drain valves and replace all drain plugs in
piping system.
9. Prime pump according to instructions on Page 9.

PUMP SERVICE

Pump should only be serviced by qualified personnel.
For best results, use only genuine Sta-Rite factory parts.
Be sure to prime pump (Page 9) before starting.
Before removing trap cover:
1. STOP PUMP before proceeding.
2. CLOSE GATE VALVES in suction and discharge pipes.
3. RELEASE ALL PRESSURE from pump and piping system.
Hazardous voltage.
Can shock, burn,
or cause death.
Disconnect power
before working
on pump or motor.
10
To avoid dangerous or
fatal electrical shock
hazard, turn OFF power to
motor before working on
pump or motor.
Aside from lubricating trap
cover O-Ring, no lubrication
or regular maintenance is
needed beyond reasonable
care and periodic cleaning of
strainer basket.

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