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READ AND FOLLOW 

SAFETY INSTRUCTIONS!

This is the safety alert symbol.

When you see this

symbol on your pump 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 serious

personal injury, death or major property damage if ignored.

warns about hazards that 

can

cause serious

personal injury, death or major property damage if ignored.

warns about hazards that 

will

or 

can

cause

minor personal injury or property damage if ignored.

The word 

NOTICE

indicates special instructions which are

important but not related to hazards.

To avoid risk of serious bodily injury and property damage,
read safety instructions carefully before installing pump.

Hazardous voltage. Can shock, burn, or

cause death.

Ground pump before connecting to power supply.

Pump is non-submersible. Keep motor dry at all

times. Do not wash motor. Do not immerse. Protect

motor from wet weather.

Burn Hazard. Do not touch an operating

motor. 

Modern motors are designed to operate at high

temperatures. To avoid burns when servicing pump, allow it to
cool for 20 minutes after shut-down before handling.

Follow local and/or national plumbing and electrical codes
when installing.

Hazardous Pressure. 

DO NOT run the pump

with discharge shutoff, as pipe may burst or pump may be
damaged due to high temperatures.

Do not allow pump or any system component to freeze. To do
so may damage system and will void warranty.

Risk of electric shock.

To avoid fatal shocks,

proceed as follows if pump needs servicing.

A.

Disconnect power to pump before servicing.

After

power is shut off, let pump cool for 20 minutes before
attempting to work on it.

B.

Take extreme care when changing fuses.

To reduce

chance of fatal electrical shocks, DO NOT stand in water
or put your finger in the fuse socket.

C.

Ground

electrical outlet box.

D. Use only Ground Fault Circuit Interrupter (GFCI)

protected, grounded, circuit with pump.

Never run pump dry.

Running pump dry can damage internal

parts, overheat pump (which can cause burns to people
handling or servicing pump), and will void warranty.

Do not pump chemicals or corrosive liquids with pump.

Hazardous Pressure.

A.

High pressure discharge stream is dangerous. 

To

avoid injury, DO NOT stand in front of the discharge
stream.

B.

BE SURE that the pump suction pipe pressure plus the
pump discharge pressure does not exceed the
pressure rating of pipe and fittings.

C.

Pump body may explode if pressures exceed rated
limits.

Maximum inlet pressure is 80 PSI. Maximum

discharge pressure is 315 PSI. Warranty is void if these
pressure limits are exceeded.

LUBRICATION

The internal running surfaces of the pump and seals require
water lubrication for good, consistent operation. 

Allowing

pump to run dry will severely damage pump and seals.

It is not necessary to lubricate pump or motor. The motor is
equipped with sealed ball bearings, lubricated for the life of the
bearing. The mechanical shaft seal in the pump is self-
lubricating and requires no adjustment. Disassemble pump to
replace seal.

INSTALLATION 

Use a 3/4” or 1” pipe or heavy-duty non-collapsible hose for
suction line.

OPERATION

NOTICE:

Observe the following precautions when operating

the pump:

1.

Keep the motor dry!

2.

Hazardous pressure. Do not

run the

pump with discharge shutoff, as pipe may burst or pump
may be damaged due to high pressure.

3.

Do not

run pump dry; dry running may damage the seal.

ELECTRICAL

Ground motor before connecting to electrical power

supply. Failure to ground motor can cause severe

or fatal electrical shock hazard.

Explosion 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.

Supply voltage must be within ±10% of nameplate

voltage. Incorrect voltage can cause fire or serious

damage to motor and voids warranty. If in doubt consult a
licensed electrician.

Use wire size specified in Wiring Chart (Table I). If

possible, connect pump to a separate branch

circuit with no other appliances on it.

Wire motor according to diagram on motor

nameplate. 

3611 Three Mile Road N.W., Grand Rapids, MI 49544

Booster Pump

©2006

SGS327 (Rev. 11/4/08)

Summary of Contents for SGS327

Page 1: ...n damage internal parts overheat pump which can cause burns to people handling or servicing pump and will void warranty Do not pump chemicals or corrosive liquids with pump Hazardous Pressure A High pressure discharge stream is dangerous To avoid injury DO NOT stand in front of the discharge stream B BE SURE that the pump suction pipe pressure plus the pump discharge pressure does not exceed the p...

Page 2: ...lockwise reverse any two leads to the starter The rotation will now be correct GROUNDING THE MOTOR Ground the pump permanently using a wire of size and type specified by local or National Electrical Code MAINTENANCE Pump Disassembly Hazardous voltage Can shock burn or cause death Disconnect power to pump before servicing Tools required 1 7 16 open end wrench 2 required 2 Flat blade screwdriver wit...

Page 3: ...alling stack Mechanical Seal Changeout refer to Figures 1 and 2 This procedure is best completed with the pump held in a vertical position motor down First complete Disassembly instructions 1 through 5 under Impeller Stack Changeout see Figure 1 Page 2 5 Remove 4 capscrews holding pump body to motor 6 Unscrew pump shell from pump body turning clockwise left hand threads 7 Remove mechanical shaft s...

Page 4: ...py water Place cardboard washer over polished face of seat and press into seal cavity using a 3 4 socket or a piece of 3 4 standard pipe D Be sure polished surface of seat is free of dirt and has not been damaged by insertion Re move excess soapy water Dispose of card board washer 11 Installation of rotating half and spring A Reinstall pump body on motor using extreme caution not to hit ceramic po...

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