STA-RITE MPRA6D-146L Guía

DYNA-GLASTM and DYNA-MAXTM

CENTRIFUGAL PUMPS

WITH INTEGRAL TRAP

O W N E R’ S M A N U A L

INSTALLATION, OPERATION & PARTS

Series MPRA, MPEA, and MPFA

See Page 2 for Model Numbers

This manual should be furnished to the end user of this pump;

its use will reduce service calls and chance of

injury and will lengthen pump life.

(Unions optional)

FOR POSITION ONLY

1620 Hawkins Ave., Sanford, NC 27330 • (919) 566-8000

10951 West Los Angeles Ave., Moorpark, CA 93021 • (805) 553-5000

Customer Suppport: (800) 831-7133

Sta-Rite®, Dyna-Glas™ , Dyna-Max™ and Pentair Water Pool and Spa® is a trademark and/or a registered trademark of Pentair

Water Pool and Spa, Inc. and/or its affiliated companies in the United States and/or other countries. Plasto-Joint Stik® is a registered

trademark of La-Co Industries, Inc. Teflon® is a registered trademark of E.I. Du Pont De Nemours and Company Corporation. Unless

noted, names and brands of others that may be used in this document are not used to indicate an affiliation or endorsement between

the proprietors of these names and brands and Pentair Water Pool and Spa, Inc. Those names and brands may be the trademarks or

registered trademarks of those partiesor others.

04-15-10

S4243 (Rev. A)

‘MPRA’, ‘MPEA’ & ‘MPFA’

SERIES PUMPS WITH

TRAP

To avoid unneeded service calls, prevent possible

injuries, and get the most out of your pump, READ THIS

MANUAL CAREFULLY!

The Sta-Rite ‘MPRA’, ‘MPEA’ & ‘MPFA’ Series Self-

priming Centrifugal pump:

• Is designed for use with swimming pools or as a

centrifugal pump.

• Is an excellent performer; durable, reliable.

Table of Contents

Safety Instructions ...................................................2-3

Installation ................................................................3-4

Pool Pump Suction Requirements ............................4-5

Electrical...................................................................5-8

Operation.....................................................................9

Storage/Winterizing ................................................9-10

Pump Service .......................................................10-11

Repair Parts List ...................................................12-13

Troubleshooting Guide...............................................14

Warranty ....................................................................16

READ AND FOLLOW

SAFETY INSTRUCTIONS!

This is the safety alert symbol. When you see this

symbol on your system or in this manual, look for

one of the following signal words and be alert to the

potential for personal injury.

warns about hazards that will cause death,

serious personal

injury, or major property damage if ignored.

warns about hazards that can cause death,

serious personal

injury, or major property damage if ignored.

warns about hazards that will or can cause

minor personal injury or property damage if ignored.

NOTICE indicates special instructions not related to

hazards.

Carefully read and follow all safety instructions in this

manual and on equipment. Keep safety labels in good

condition; replace if missing or damaged.

Incorrectly installed or tested equipment

may fail, causing severe injury or property

damage.

Read and follow instructions in owner's manual when

installing and operating equipment. Have a trained pool

professional perform all pressure tests.

Single Speed Models

HP MPRA MPEA MPFA

3/4 MPRA6D-146L, MPRA6D-146LC MPEA6D-146L MPFA6D-176L

1 MPRA6E-147L, MPRA6E-147LC MPEA6E-147L MPFA6E-146L

1-1/2 MPRA6F-148L, MPRA6F-148LC MPEA6F-148L MPFA6F-147L

2 MPRA6G-155L, MPR6G-155LC MPEA6G-155L

2-1/2 MPEAA6G-168L

Two Speed Models

HP MPRA MPEA

1-1/2 MPRA6YF-174L, MPRA6YF-174LS

2 MPEA6YG-175L

MPEA6YG-175LS

2-1/2 MPEAA6YG-168L

MPEAA6YG-168LS

1. Do not connect system to a high pressure or city

water system.

2. Use equipment only in a pool or spa installation.

3. Trapped air in system can cause explosion. BE SURE

all air is out of system before operating or testing

equipment.

Before pressure testing, make the following safety

checks:

• Check all clamps, bolts, lids, and system accessories

before testing.

• Release all air in system before testing.

• Tighten Sta-Rite trap lids to 30 ft. lbs. (4.1 kg-m)

torque for testing.

• Water pressure for test must be less than 25 PSI (7.5

kg/cm2).

• Water Temperature for test must be less than 100oF.

(38oC).

• Limit test to 24 hours. After test, visually check

system to be sure it is ready for operation. Remove

trap lid and retighten hand tight only.

NOTICE: These parameters apply to Sta-Rite

equipment only. For non-Sta-Rite equipment, consult

manufacturer.

INSTALLATION

Only qualified, licensed personnel should install pump

and wiring.

Pump mount must:

Be located away from corrosive or flammable liquids.

Have enough ventilation to maintain air temperature at

less than the maximum ambient temperature rating (Max.

Amb.) listed on the motor model plate. If this pump is

installed in an enclosure/pump house, the enclosure must

have adequate ventilation and air circulation to keep the

temperature in the enclosure at or below the motor’s rated

ambient temperature whenever the pump is running.

Be solid - Level - Rigid - Vibration free. (To reduce

vibration and pipe stress, bolt pump to mount.)

Allow pump suction inlet height to be as close to water

level as possible. Pump will not lift water more than

10'(3m).

Allow use of short, direct suction pipe (To reduce friction

losses).

Allow for gate valves in suction and discharge piping.

Have adequate floor drainage to prevent flooding.

Be protected from excess moisture.

Allow adequate access for servicing pump and piping.

Fire and burn hazard. Modern motors run

at high temperatures. To reduce the risk of fire, do not

allow leaves, debris, or foreign matter to collect around

the pump motor. To avoid burns when handling the

motor, let it cool for 20 minutes before trying to work on

it.

NOTICE: When connecting threaded pipe directly to

IMPORTANT SAFETY

INSTRUCTIONS

Always follow basic safety precautions with this

equipment, including the following.

To reduce the risk of injury, do not

permit children to use this product unless they are

closely supervised at all times.

This pump is for use with permanently

installed pools and may also be used with hot tubs

and spas if so marked. Do not use with storable

pools. A permanently installed pool is constructed in

or on the ground or in a building such that it cannot

be readily disassembled for storage. A storable pool

is constructed so that it may be readily disassembled

for storage and reassembled to its original integrity.

SAVE THESE

INSTRUCTIONS

STRAINER BASKET

COVER

DISCHARGE PORT

TO FILTER OR POOL

SUCTION

PORT

FROM

POOL

VACUUM

FILTERS

PUMP MAY BE BOLTED TO LEVEL

FOUNDATION OR MOUNTING BRACKET 037 0893

NOTICE: Port threads are: Internal - 2" NPT for direct

connection to pipe. External - 3-1/4" Buttress. Fits Sta-Rite

U11-200P Union Collar for quick disconnect pipe

connection.

Figure 1

pump, use Teflon tape or Plasto-Joint Stik to seal

connections. Do not use pipe dope; pipe dope causes

cracking in some plastics and may damage components

in piping system.

When connecting pipe to pump with union half, use

Teflon tape or Plasto-Joint Stik between pipe and union

adapter. Union collar to pump should be assembled dry

and hand-tight.

NOTICE: Pump suction and discharge connections

have molded in thread stops. DO NOT try to screw pipe

in beyond these stops.

Teflon Taping Instructions:

Use only new or clean PVC pipe fittings.

Wrap male pipe threads with one to two layers of Teflon

tape. Cover entire threaded portion of pipe.

Do not overtighten or tighten past thread stop in pump

port!

If leaks occur, remove pipe, clean off old tape, rewrap

with one to two additional layers of tape and remake the

connection.

NOTICE: Support all piping connected with pump!

Piping:

Use at least 2" (51mm) pipe. Increase size if a long run

is needed.

To avoid strains on the pump, support both suction and

discharge pipes independently. Place these supports

near the pump.

To avoid a strain left by a gap at the last connection,

start all piping at the pump and run pipe away from the

pump.

To avoid airlocking, slope suction pipe slightly upward

toward the pump.

NOTICE: To prevent flooding when removing pump for

service, all flooded suction systems must have gate

valves in suction and discharge pipes.

POOL PUMP SUCTION

REQUIREMENTS

Pump suction is

hazardous and can trap

and drown or disembowel

bathers. Do not use or

operate swimming pools,

spas, or hot tubs if a suction

outlet cover is missing,

broken, or loose. Follow the

guidelines below for a pump

installation which minimizes

risk to users of pools, spas,

and hot tubs.

Entrapment Protection

The pump suction system

must provide protection

against the hazard of

suction entrapment or hair entrapment/entanglement.

Suction Outlet Covers

All suction outlet covers must be maintained. They must

be replaced if cracked, broken, or missing.

See Page 5 for outlet cover certification requirements.

All suction outlets must have correctly installed, screw-

fastened covers in place.

Suction Outlets Per Pump (Figure 2, Page 5)

Provide at least two hydraulically balanced main drains,

with covers, as suction outlets for each circulating pump

suction line. The centers of the main drains (suction

outlets) on any one suction line must be at least three feet

apart.

The system must be built so that it cannot operate with

the pump drawing water from only one main drain (that

is, there must be at least two main drains connected to

the pump whenever it is running – see Figure 2, Page

5). However, if two main drains run into a single suction

line, the single suction line may be equipped with a

valve which will shut off both main drains from the pump

(see Figure 2).

More than one pump can be connected to a single

suction line as long as the requirements above are met.

Hazardous suction.

Can trap hair or

body parts, causing

severe injury

or death.

Do not block

suction.

Water Velocity

The maximum water velocity through the suction fitting

or cover for any suction outlet must be 1.5 feet per

second unless the outlet complies with the latest

ASME/ANSI Specification for Suction Fittings For Use in

Swimming Pools, Spas, Hot Tubs, and Whirlpool

Bathtub Applications. In any case, do not exceed the

suction fitting’s maximum designed flow rate.

If 100% of the pump’s flow comes from the main drain

system, the maximum water velocity in the pump

suction hydraulic system must be six feet per second or

less even if one main drain (suction outlet) is completely

blocked. The flow through the remaining main drain(s)

must comply with the latest ASME/ANSI Specification

for Suction Fittings For Use in Swimming Pools, Spas,

Hot Tubs, and Whirlpool Bathtub Applications.

Testing and Certification

Suction outlet covers must have been tested by a

nationally recognized testing laboratory and found to

comply with the latest ASME/ANSI Specifications for

Suction Fittings For Use in Swimming Pools, Spas, Hot

Tubs, and Whirlpool Bathtub Applications.

Fittings:

Fittings restrict flow; for best efficiency use fewest

possible fittings (but at least two suction outlets).

Avoid fittings which could cause an air trap.

Pool fittings must conform to International Association

of Plumbing and Mechanical Officials (IAPMO)

standards.

Use only non-entrapping suction fitting or double suction.

ELECTRICAL

Ground motor before connecting to electrical

power supply. Failure to ground motor can cause

severe or fatal electrical shock hazard.

Do not ground to a gas supply line.

To avoid dangerous or fatal electrical shock, turn

OFF power to motor before working on electrical

connections.

Ground Fault Circuit Interrupter (GFCI) tripping

indicates an electrical problem. If GFCI trips and

will not reset, have a qualified electrician inspect and

repair electrical system.

Exactly match supply voltage to nameplate

voltage. Incorrect voltage can cause fire or

seriously damage motor and voids warranty. If in doubt

consult a licensed electrician.

Voltage

Voltage at motor must be not more than 10% above or

below motor nameplate rated voltage or motor may

overheat, causing overload tripping and reduced

component life. If voltage is less than 90% or more than

110% of rated voltage when motor is running at full

load, consult power company.

At Least

3 Feet

Suction Outlet

(Main Drain)

Suction Outlet

(Main Drain)

IAPMO Certified

Anti-entrapment

Cover or Suction Fitting,

screw-fastened to

Main Drain Sump

IAPMO Certified

Anti-entrapment

Cover or Suction Fitting,

screw-fastened to

Main Drain Sump

Pump

Valves OK between

pump and Tee

No valves between

Tee and Main Drains

2762 0197

Figure 2 – Recommended pump suction layout.

Grounding/Bonding

Install, ground, bond and wire motor according to local

or National Electrical Code requirements.

Permanently ground motor. Use green ground terminal

provided under motor canopy or access plate (See

Figure 3); use size and type wire required by code.

Connect motor ground terminal to electrical service

ground.

Bond motor to pool structure. Use a solid copper

conductor, size No. 8 AWG (8.4 sq.mm) or larger. Run

wire from external bonding lug (see Figure 3) to reinforcing

rod or mesh.

Connect a No. 8 AWG (8.4 sq.mm) solid copper

bonding wire to the pressure wire connector provided

on the motor housing and to all metal parts of the

swimming pool, spa, or hot tub and to all electrical

equipment, metal piping or conduit within 5 feet (1.5 m)

of the inside walls of swimming pool, spa, or hot tub.

Wiring

NOTICE: 3 phase models require magnetic motor

starters and external overload protection. If in doubt

about the procedure, consult a licensed electrician.

Pump must be permanently connected to circuit. Table

I, Page 8, give correct wire and circuit breaker sizes for

the pump alone. If other lights or appliances are also on

the same circuit, be sure to add their amp loads to

pump amp load before figuring wire and circuit breaker

sizes. (If unsure how to do this or if this is confusing,

consult a licensed electrician.) Use the load circuit

breaker as the master on-off switch.

Install a Ground Fault Circuit Interrupter (GFCI) in

circuit; it will sense a short-circuit to ground and

disconnect power before it becomes dangerous to pool

users. For size of GFCI required and test procedures for

GFCI, see manufacturer’s instruction.

In case of power outage, check GFCI for tripping (which

will prevent normal pump operation). Reset if

necessary.

NOTICE: If you do not use conduit when wiring motor,

be sure to seal wire opening on end of motor to prevent

dirt, bugs, etc., from entering.

Risk of dangerous or fatal electrical shock.

Be sure that power to the motor circuit is off before

working on wiring, wiring connections, or motor. Re-

install the motor end cover and all other wiring covers

before turning on the power.

Motor Switch Settings

Dual-voltage motors (motors that can operate at either

115 or 230 volts), are set at the factory to 230 volts. Do

not change motor voltage setting if line voltage is 230

volts, or if you have a single voltage motor.

NOTE: Never wire a 115 volt motor to a 230 volt line.

Remove Motor End Cover

If you have a dual-voltage motor, and will connect it to

115 volts, follow the procedure below.

You will need to remove the motor end cover to change

the voltage setting.

Your motor terminal board (located under the motor end

cover) should look like one of those below.

Plug Type Voltage Selector

To change to 115 volts:

1. Make sure power is off.

2. Pull the plug straight up.

230V

115V

Bonding

Lug

Green

Ground

Screw

Figure 3 – Typical ground screw and bonding lug

locations.

Figure 5 – Voltage set to 230 volts, Plug Type.

Voltage Change

Plug

Ground

Screw

Power Lead

Terminals

Figure 4 - Removing motor end cover.

3. Move and attach the plug at the 115 volt position.

The plug will now cover 2 metal tabs. The arrow on

the plug will point to 115V.4. Attach the power lead

wires to the power lead terminals. Make sure the

wires are secure.

5. Attach the ground wire to the green ground screw

6. Reinstall the Motor end cover

Dial Type Voltage Selector

To change to 115 volts:

1. Make sure power is off.

2. Turn the dial counter-clockwise until 115 shows in

the dial window.

3. Attach the power lead wires to the power lead

terminals. Make sure the wires are secure.

4. Attach the ground wire to the green ground screw

5. Reinstall the Motor end cover.

To Wire a Two-Speed Motor

Wire the pump as shown in the diagram.

OPERATION

NOTICE: NEVER run pump dry. Running pump dry may

damage seals, causing leakage and flooding. Fill pump

with water before starting motor.

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.

If pump is being pressure tested, be sure pressure

has been released before removing trap cover.

Do not block pump suction. To do so with body

may cause severe or fatal injury. Small children

using pool must ALWAYS have close adult supervision.

Fire and burn hazard. Modern motors run

at high temperatures. To reduce the risk of fire, do not

allow leaves, debris, or foreign matter to collect around

the pump motor. To avoid burns when handling the

motor, let it cool for 20 minutes before trying to work on

it. An automatic internal cutoff switch protects the motor

from heat damage during operation.

Priming Pump

Release all pressure from filter, pump, and piping

system; see the filter owner’s manual.

In a flooded suction system (water source higher than

pump), pump will prime itself when suction and

discharge valves are opened.

If pump is not in a flooded suction system, unscrew and

remove trap cover (see Figure 8); fill trap and pump with

water.

Clean and inspect O-Ring; reinstall on trap cover.

Do not lubricate the trap cover O-Ring. The original

equipment O-Ring contains a permanent internal

lubricant.

NOTICE: If you replace the O-Ring with a non-internally

lubricated O-Ring, you may need to apply a silicone

based lubricant.

Replace trap cover on trap; turn clockwise to tighten

cover.

NOTICE: Tighten trap cover by hand only (no

wrenches)!

Figure 7 – 2-Speed motor wiring diagram.

L2=COM

L1=HI

A=LOW

Power Supply for

Optional Timer.

Low Speed

High Speed Circuit

Protector

Remote

SPDT

Switch

Ground (Green)

Common

If using timer, Connect

Timer Motor to Low Speed Only

Minimum switch and timer amp rating must equal Branch Fuse

Rating given in "Recommended Fusing and Wiring Data" table.

230

Volt

Lines

Back of

motor

with

Terminal

Board

4558 0304

Figure 6 – Voltage set to 230 volts, Dial Type.

Voltage

Change Dial

Ground

Screw

Power Lead

Terminals

TABLE I - RECOMMENDED CIRCUIT BREAKER AND WIRING DATA

Serv. to Motor - Dist. in Ft. (M)

Motor Branch CB Max Load Voltage/ 0-100' 101-200' 201-300'

HP Rating Amps Amps Hz/Phase (0-30) (30-60) (60-90)

MPRA SERIES – SINGLE SPEED

3/4 20/15 13.4/6.7 115/230/60/1 12/14(3/2) 10/14(5.5/2) 8/14(8.4/2)

1 20/15 15.3/7.6 115/230/60/1 12/14(3/2) 8/14(8.4/2) 6/14(14/2)

1-1/2 25/15 19.2/9.6 115/230/60/1 10/14(5.5/2) 8/14(8.4/2) 6/12(14/3)

2 20 12.0 230/60/1 14(2) 14(2) 12(3)

MPEA SERIES – SINGLE SPEED

3/4 15/15 11.0/5.5 115/230/60/1 14/14(2/2) 10/14(5.5/2) 8/14(8.4/2)

1 20/15 13.8/6.9 115/230/60/1 12/14(3/2) 10/14(5.5/2) 8/14(8.4/2)

1-1/2 25/15 16.0/8.0 115/230/60/1 12/14(3/2) 8/14(8.4/2) 6/14(14/2)

2 15 10.1-3.7 230/60/1 14(2) 14(2) 12(3)

2-1/2 15 11.9-3.5 230/60/1 14(2) 14(2) 12(3)

2 15 10.4 230/60/1 14(2) 14(2) 12(3)

2-1/2 15 11.2 230/60/1 14(2) 14(2) 12(3)

MPFA SERIES – SINGLE SPEED

3/4 15/15 9.9/5.0 115/230/60/1 14/14(2/2) 10/14(5.5/2) 10/14(5.5/2)

1 20/15 13.4/6.7 115/230/60/1 12/14(3/2) 10/14(5.5/2) 8/14(8.4/2)

1-1/2 20/15 15.3/7.6 115/230/60/1 12/14(3/2) 8/14(8.4/2) 6/14(14/2)

MPRA SERIES – TWO SPEED

1-1/2 – 1/4 15 9.2/2.5 230/60/1 14(2) 14(2) 12(3)

MPEA SERIES – TWO SPEED

2 – 1/3 15 10.1/3.7 230/60/1 14(2) 14(2) 12(3)

2-1/2 – 1/2 15 11.9/3.5 230/60/1 14(2) 12(3) 12(3)

AWG

Wire

Size

(mm2)

}

AWG

Wire

Size

(mm2)

}

AWG

Wire

Size

(mm2)

}

AWG

Wire

Size

(mm2)

}

Pump should prime now. Priming time will depend on

vertical length of suction lift and horizontal length of

suction piping.

If pump does not prime, make sure that all valves are

open, suction pipe end is under water, pump is not trying

to lift water more than 10'(3m), and that there are no leaks

in suction pipe. See Troubleshooting Guide, Page 14.

Storage/Winterizing:

NOTICE: Allowing pump to freeze will damage pump

and void warranty!

NOTICE: Do not use anti-

freeze solutions (except

propylene glycol) in your

pool/spa system. Propylene

glycol, “RV antifreeze”, is

non-toxic and will not

damage plastic system

components; other anti-

freezes are highly toxic and

may damage plastic

components in the system.

Drain all water from pump

and piping when expecting

freezing temperatures or

when storing pump for a long

time (see instructions below).

Keep motor dry and covered

during storage.

To avoid condensation/corrosion problems, do not

cover pump with plastic.

For outdoor/unprotected installations:

1. Enclose entire system in a weatherproof enclosure.

2. To avoid condensation/corrosion damage, allow

ventilation; 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.

To avoid dangerous or fatal electrical shock

hazard, turn OFF power to motor before draining

pump.

2. Remove trap cover and use low pressure air to blow

accumulated water from the piping system. Use a pry

bar or board to remove trap covers that have been

overtightened or have taken a set and cannot be

removed by hand. Lugs have been provided on the

trap lid to use a lever or pry bar for loosening (see

Figure 6).

3. Cap inlet piping after draining to keep water out of

the pipes.

4. To prevent pump from freezing, remove trap cover and

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 REMOVE

OVERTIGHT

LID

BOARD

Figure 8 – Use a pry bar or board as shown to remove

tight lid. Do not use a pry bar to tighten lid.

Hazardous suction.

Can trap hair or

body parts, causing

severe injury

or death.

Do not block

suction.

Startup For Winterized

Equipment

1. Remove any temporary

weather protection placed

around system for

shutdown.

2. Follow filter manufacturer’s

instructions for reactivation

of the filter.

3. Inspect all electrical wiring

for damage or

deterioration over the

shutdown period. Have a

qualified serviceman 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.

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. If shaft

seal is worn or damaged, repair as follows:

Pump Dissasembly/Removing Old Seal

Disconnect power to pump motor.

Be sure valves on suction and return piping are

closed before starting work.

Release all pressure by opening all vents before

starting work.

1. Drain pump by removing drain plugs on bottom of

pump body and trap body.

2. Be sure there is no pressure in trap body; remove

cover (unscrew by turning counterclockwise).

3. Remove 6 nuts, lockwashers and flat washers holding

seal plate to pump body. Pull seal plate and motor

away from pump body. (You may have to

CAREFULLY use a

screwdriver to separate

body from seal plate.)

4. Remove seven screws

and washers holding

diffuser to seal plate.

Remove diffuser.

5. Remove motor canopy.

Being careful not to

touch capacitor

terminals, loosen

capacitor clamp and

move capacitor to one

side.

6. Hold shaft with 7/16"

open-end wrench on

motor shaft flats.

7. Unscrew impeller from

shaft (turn counterclockwise when facing it).

NOTICE: On 2 HP model, remove impeller screw

(left hand thread - turn clockwise) and gasket

before removing impeller. Inspect gasket for

damage, cracks, etc. Replace if damaged.

8. Remove four screws holding seal plate to motor.

9. Place seal plate face down on flat surface and tap

out ceramic seat (Figure 10).

10. Remove slinger from motor shaft and inspect for

damage or abrasion.

11. Clean seal cavity in seal plate and clean motor

shaft.

TO REMOVE

OVERTIGHT

LID

BOARD

Figure 9 – Use a pry bar or board as shown to remove

tight lid. Do not use a pry bar to tighten lid.

Hazardous voltage.

Can shock, burn,

or cause death.

Disconnect power

before working

on pump or motor.

Hazardous voltage.

Can shock, burn,

or cause death.

Disconnect power

before working

on pump or motor.

Este manual sirve para los siguientes modelos

Tabla de contenidos

Otros manuales de Bomba de agua de STA-RITE

STA-RITE

STA-RITE MSC-6 Manual de usuario

STA-RITE

STA-RITE DURA-GLAS II P4R Series Manual de usuario

STA-RITE

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