GORMAN-RUPP PUMPS S Series Guida all'applicazione

OM-05096--OM01

April 11, 2000

ACEGH

THE GORMAN-RUPP COMPANY FMANSFIELD, OHIO

GORMAN-RUPP OF CANADA LIMITED DST. THOMAS, ONTARIO, CANADA Printed in U.S.A.

ECopyright by the Gorman-Rupp Company

INSTALLATION, OPERATION,

AND MAINTENANCE MANUAL

WITH PARTS LIST

SUBMERSIBLE PUMP

S1 1/2C3---E.33 115/1

S2J3---E.5 115/1

MODEL

TABLE OF CONTENTS

INTRODUCTION PAGE I --- 1.................................................

SAFETY - SECTION A PAGE A --- 1............................................

INSTALLATION --- SECTION B PAGE B --- 1....................................

PREINSTALLATION INSPECTION PAGE B --- 1............................................

Lubrication PAGE B --- 1............................................................

PUMP INSTALLATION PAGE B --- 1......................................................

Pump Dimensions PAGE B --- 1.....................................................

Motor Specifications PAGE B --- 2....................................................

Lifting PAGE B --- 2.................................................................

Positioning the Pump PAGE B --- 3...................................................

Correct Pump Installations PAGE B --- 3..............................................

PIPING PAGE B --- 4...................................................................

OPERATION --- SECTION C PAGE C --- 1......................................

PUMP OPERATION PAGE C --- 1........................................................

Manual Operation PAGE C --- 1......................................................

Automatic Operation PAGE C --- 1...................................................

Operational Checks PAGE C --- 2....................................................

STOPPING PAGE C --- 2................................................................

Storage and Cold Weather Preservation PAGE C --- 2..................................

TROUBLESHOOTING --- SECTION D PAGE D --- 1..............................

PUMP MAINTENANCE AND REPAIR - SECTION E PAGE E --- 1.................

PERFORMANCE CURVE PAGE E --- 1...................................................

PARTS LISTS:

S1 1/2C3---E.33 115/1 Pump Model PAGE E --- 3......................................

S2J3---E.5 115/1 Pump Model PAGE E --- 5...........................................

PUMP MAINTENANCE AND REPAIR PAGE E --- 6.........................................

PUMP END DISASSEMBLY PAGE E --- 6.................................................

Strainer Removal PAGE E --- 6.......................................................

Impeller Removal PAGE E --- 6......................................................

Seal Removal PAGE E --- 7..........................................................

POWER CABLE AND CAPACITOR REPLACEMENT PAGE E --- 7............................

Power Cable Removal PAGE E --- 7..................................................

Power Cable Installation PAGE E --- 8................................................

PUMP END REASSEMBLY PAGE E --- 8..................................................

Cleaning And Inspection Of Pump Parts PAGE E --- 8..................................

Seal Installation PAGE E --- 9........................................................

Impeller Installation PAGE E --- 10.....................................................

Strainer Installation PAGE E --- 10.....................................................

LUBRICATION SPECIFICATIONS PAGE E --- 11............................................

SSERIES OM--05096

PAGE I -- 1INTRODUCTION

INTRODUCTION

This Installation, Operation, and Maintenance

manual is designed to help you achieve the best

performance and longest life from your Gorman-

Rupp pump.

This pump is an S-Series submersible model, de-

signed to handle dirty water that does not contain

largeentrainedsolids.Donotattempttopumpvol-

atile, flammable or corrosive liquids that may dam-

age the pump. The basic materials of construction

are castiron andstainless steel,with acastironim-

peller.

The pump may be operated fully or partially sub-

merged, but should not be operated dry for ex-

tended periods. The pump is not explosion-proof,

and should not be operated in a hazardous atmo-

sphere.

If there are any questions regarding the pump or

its application which are not covered in this man-

ual or in other literature accompanying this unit,

please contact your Gorman-Rupp distributor, or

write:

The Gorman-Rupp Company or Gorman-Rupp of Canada Limited

P.O. Box 1217 70 Burwell Road

Mansfield, Ohio 44901--1217 St. Thomas, Ontario N5P 3R7

The following are used to alert maintenance personnel to procedures which require special attention, to

those which could damage equipment, and to those which could be dangerous to personnel:

Immediate hazards which WILL resultin

severe personal injury or death. These

instructions describe the procedure re-

quired and the injury which will result

from failure to follow the procedure.

Hazards or unsafe practices which

COULD result in severe personal injury

or death. These instructions describe

the procedure required and the injury

which could result from failure to follow

the procedure.

HazardsorunsafepracticeswhichCOULD

result in minor personal injury or product

or property damage. These instructions

describe the requirements and the possi-

ble damage which couldresult from failure

to follow the procedure.

NOTE

Instructions to aid in installation, operation, and

maintenance or which clarify a procedure.

SSERIES OM--05096

PAGE A -- 1SAFETY

SAFETY - SECTION A

This information applies to S-Series

submersible motor driven pumps.

Do not operate this pump where explo-

sive vaporsorflammable material exist.

Death or serious injury will result.

Beforeattemptingtoopenorservicethe

pump:

1. Familiarize yourself with this man-

ual.

2. Unplug the pump power cable to

ensure that the pump will remain

inoperative.

3. Allow the pump to cool if over-

heated.

This pump is designed to handle dirty

water that does not contain large en-

trained solids. It is not designed to

pump volatile, flammable or corrosive

materials. Do not attempt to pump any

liquids which may damage the pump or

endanger personnel asa result of pump

failure.

Never attempt to alter the length or re-

pair any power cable with a splice. The

pump motor and cable must be com-

pletelywaterproof.Damagetothepump

or personal injury may result from alter-

ations.

Afterthepumphasbeeninstalled,make

certain that the pump and all piping or

hoseconnections are secure before op-

eration.

Do not attempt to lift the pump by the

power cable or piping. Attach proper

lifting equipment to the lifting handle

fitted to the pump.

Obtain the services of a qualified elec-

trician to troubleshoot, test and/or ser-

vice the electrical components of this

pump.

Pumps and related equipment must be in-

stalled and operated according to all na-

tional, local and industry standards.

OM--05096SSERIES

PAGE B -- 1INSTALLATION

INSTALLATION --- SECTION B

Review all SAFETY information in Section A.

Do not operate this pump where explo-

sive vaporsorflammable material exist.

Death or serious injury will result.

This section only summarizes recommended in-

stallation practices for the pump. If there are ques-

tions concerning yourspecific application, contact

your local distributor or the Gorman-Rupp Com-

pany.

Pumps and related equipment must be in-

stalled and operated according to all na-

tional, local and industry standards.

PREINSTALLATION INSPECTION

Before installation, inspect the pump for damage

whichmay haveoccurredduring shipment. Check

as follows:

a. Inspectthepumpassemblyforcracks,dents,

damaged threads, and other obvious dam-

age.

b. Check for and tighten loose attaching hard-

ware.

c. Thepumpisfurnishedwitha30-foot (9meter)

longpowercable.Inspectthecablefor cutsor

damage.

d. Carefully read all tags, decals, and markings

onthepumpassembly,andperformallduties

as indicated.

If anything appears to be abnormal, contact your

Gorman-Rupp distributor or the factory to deter-

minethe repairor updating policy. Donotputthe

pump into service until appropriate action has

been taken.

Lubrication

The shaft seal and bearings in this pump are fully

lubricated from the factory. No additional lubrica-

tion is required.

PUMP INSTALLATION

Pump Dimensions

Thepumpisprovidedwithasuctionstrainertopre-

vent large solids from clogging the impeller. See

Figure 1for the approximate physical dimensions

of the pump.

OM--05096 SSERIES

PAGE B -- 2 INSTALLATION

OUTLINE DRAWING

S1 1/2C S2J

Figure 1. Pump Models S1 1/2C3--E.33 115/1 and S2J3--E.5 115/1

Motor Specifications

H.P. Hz. RPM Amps

S1 1/2C 0.33 60 3400 4

S2J 1.0 60 3400 6

Model

Lifting

Thispumpisdesignedtobelightweightandporta-

ble, with a convenient carry handle that makes it

ideal for general contracting applications. Each

pump weighs approximately 28 lbs. (13 kg.). The

weight does not include the discharge piping.

Attach a rope or chain to the lifting handle on the

top of the pump. Do not lift the unit by the power

cable or the discharge piping. Customer installed

equipment such as rigid discharge piping mustbe

removed before attempting to lift.

Figure 2. Do Not Lift Pump by Power Cable

Do not attempt to lift the pump by the

power cable or piping. Attach proper

lifting equipment to the handle on the

pump.

OM--05096SSERIES

PAGE B -- 3INSTALLATION

Positioning the Pump

This pump is designed to operate fully or partially

submerged; however, it should not be operated

dry for extended periods of time.

Extended dry operation will destroy the

seal assembly.

Never place the pump on loose or soft ground; the

pump could sink, preventing water from reaching

theimpeller(seeFigure3).

Figure 3. Do Not Place Pump

on Loose Ground

Secure and support the pump by the handle on

the pump. If the bottomis heavilysludge-covered,

restthepumponsupportblocksorsuspenditnear

thesurfaceoftheliquid.Iftheapplicationinvolvesa

lotofdebris,protectthepumpfromexcessivewear

and clogging by suspending it in a perforated bar-

rel or culvert pipe. See Figure 4 for correct pump

installations.

Thepumpisprovidedwithasuctionstrainertopre-

vent large solids from clogging the impeller. Any

spherical solids which pass through the strainer

will pass through the pump.

SUSPEND BY HANDLE IN PERFORATED CULVERT PIPE ON SUPPORTS

Figure 4. Correct Pump Installations

OM--05096 SSERIES

PAGE B -- 4 INSTALLATION

PIPING

The pump volute is equipped with a standardNPT

tapped discharge connection. Either hose or rigid

pipe may be used for the discharge connection.

For maximum pumping capacity, use non-collaps-

iblehoseorrigidpiping,andkeepthedischargeas

short and straight as possible. If rigid piping is

used,minimizetheuseofelbowsandfittingswhich

increasefrictionlossesand reduce pumpperform-

ance.

A check valve or throttling valve may be installedin

thedischargelinetocontrolsiphoningorbackflow

when the pump is shut off.

SSERIES OM--05096

OPERATION PAGE C -- 1

OPERATION --- SECTION C

Review all SAFETY information in Section A.

Follow the instructions on all tags, labels and

decals attached to the pump.

PUMP OPERATION

Do not operate this pump where explo-

sive vaporsorflammable material exist.

Death or serious injury will result.

This pump is designed to handle dirty

water that does not contain large en-

trained solids. It is not designed to

pump volatile, flammable or corrosive

materials. Do not attempt to pump any

liquids which may damage the pump or

endanger personnel asa result of pump

failure.

Install the pump and piping as described in IN-

STALLATION,SectionB.

Manual Operation

Thepumpisprovidedwitha30-foot(3m)power

cable. Never splice the power cable due to safety

and warranty considerations.

Never attempt to alter the length or re-

pair any power cable with a splice. The

pump motor and cable must be com-

pletelywaterproof.Damagetothepump

or personal injury may result from alter-

ations.

Always keep the plug end dry.

Figure 1. Always Keep Plug End Dry

Formanualoperation,simplyplugthepowercable

intoany115 voltgrounded receptacle. It isstrong-

ly recommended that a Ground Fault Interrupter

(GFI) type receptacle (or equivalent) be used (see

Figure 2).

Always use a three-prong grounded re-

ceptacle. It is strongly recommended

that a Ground Fault Interrupter (GFI)

typereceptacle(orequivalent)be used.

Figure 2. Always Use a Grounded Receptacle

Automatic Operation

A float switch assembly is available as an option

fromthefactorytoprovideforautomaticoperation.

Observe the following instructions for automatic

operation.

1. Attach the plastic tieon the float switch power

cable to the standpipe in the sump at the ap-

proximate desired liquid level. Do not allow

SSERIES

OM--05096

OPERATIONPAGE C -- 2

theliquidleveltodropbelowthebottomofthe

pump motor cover to ensure cooling of the

pump motor.

2. The tie is positioned on the cable approxi-

mately6inches(152mm)belowthefloat.This

setting allows approximately 9 inches (229

mm) of liquid rise between pump start/stop.

The start/stop interval may be increased by

loosening thenut on the plastictie swiveland

extending the float end of the power cable.

The liquid level in the sump will increase ap-

proximately8inches(203mm)betweenstart/

stop intervals for every 6 inches (152 mm) of

cable increase.

3. Plug the pump power cable into the female

end of the float cable plug.

4. Plugthefloatcableintoagrounded recep-

tacle. It is strongly recommended that a

Ground Fault Interrupter (GFI) type recep-

tacle(orequivalent)beused(seeFigure2).

Operational Checks

Checkthepumpforproperoperationwhenitisfirst

started and periodically thereafter toidentify minor

problems.

Check the pump for unusual noises or excessive

vibration while it is operating. If noise or vibration is

excessive, stop the pump and refer to the

troubleshooting chart for possible causes.

Check the pump strainer screen for clogging

caused by stones, sticks, or other debris. Clean

the strainer screenwhen required. In somecases,

stopping the pump momentarily may back flush

the strainer screen, purging most of the debris

from it. If this fails to clean the screen, unplug the

pump , remove it from the sump, and remove the

debris manually (see MAINTENANCE AND RE-

PAIR in Section E).

Never introduce air or steam pressure into the

pump casing or piping to remove a blockage. This

could result in personal injury or damage to the

equipment. If backflushing is absolutely neces-

sary, liquidpressuremust be limited to 50%ofthe

maximum permissible operating pressure shown

on the pump performance curve (see MAINTE-

NANCE AND REPAIR,SectionE).

STOPPING

To stop the pump when in manual mode, simply

unplug it from the receptacle. After stopping the

pump,besuretoperformallrequiredmaintenance

and preservation procedures.

This pump is equipped with automatic

thermaloverloadprotectionwhichwillstop

the pump if overheating occurs. Unplug

the pump and allow it to cool before at-

tempting to service the pump.

When operated in the automatic mode, the pump

will stop and start as the liquid level rises and falls.

For service or extended stopping, unplug both the

pump and float switch from the receptacle.

Storage and Cold Weather Preservation

After stopping the pump, use the rope or chain at-

tached to the lifting handle on the pump to remove

the pump from the sump. Do notlift the unit by the

power cable or the discharge piping. Customer in-

stalled equipment such as rigid discharge piping

must be removed before attempting to lift.

Do not attempt to lift the pump by the

power cable or piping. Attach proper

lifting equipment to the handle on the

pump.

Clean the strainer screen before storage. If the

applicationinvolves alotofmud or sludge, remove

the strainer and clean the impeller before storage.

NOTE

The most common cause of failure to run is hard-

ened mud or sludge in the impeller.

In freezing temperatures, the pump will not freeze

as long as it is submerged in liquid. If the pump

casing is not submerged, or if the liquid begins to

freeze, remove the pump from the sump and allow

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