GORMAN-RUPP PUMPS RP4D60 Guide d'application

OM−06193−01

August 19, 2008

ACDEU

THE GORMAN-RUPP COMPANY MANSFIELD, OHIO

www.grpumps.com

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

2008 The Gorman-Rupp Company

INSTALLATION, OPERATION,

AND MAINTENANCE MANUAL

WITH PARTS LIST

RP SERIES PUMP

MODEL

RP4D60

Including FRAME And SAE Models

Gorman-Rupp pump online at

www.grpumps.com

Valid serial number and e-mail address required.

RECORD YOUR PUMP MODEL AND SERIAL NUMBER

Please record your pump model and serial number in the

spaces provided below. Your Gorman-Rupp distributor

needs this information when you require parts or service.

Pump Model:

Serial Number:

The engine exhaust from this

product contains chemicals

known to the State of California to

cause cancer, birth defects or

other reproductive harm.

TABLE OF CONTENTS

INTRODUCTION PAGE I − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

INSTALLATION − SECTION B PAGE B − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PREINSTALLATION INSPECTION PAGE B − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Battery Installation PAGE B − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL CONNECECTIONS (ELECTRIC MOTOR DRIVEN UNITS) PAGE B − 1. . . . . . . . . . .

Field Wiring Connections (Incoming Power) PAGE B − 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

POSITIONING PUMP PAGE B − 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lifting PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SUCTION AND DISCHARGE PIPING PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Materials PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Line Configuration PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connections to Pump PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gauges PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SUCTION LINES PAGE B − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fittings PAGE B − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Strainers PAGE B − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sealing PAGE B − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Suction Lines In Sumps PAGE B − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Suction Line Positioning PAGE B − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DISCHARGE LINES PAGE B − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Siphoning PAGE B − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Valves PAGE B − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ALIGNMENT PAGE B − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Factory Installed Engine Driven Units PAGE B − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electric Motor Driven Units PAGE B − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Coupled Drives PAGE B − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

V-belt Drives PAGE B − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

V-BELT TENSIONING PAGE B − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Rules of Tensioning PAGE B − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tension Measurement PAGE B − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AUTO-START PAGE B − 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Float Switch Installation PAGE B − 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Submersible Transducer Installation PAGE B − 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Submersible Connections PAGE B − 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATION − SECTION C PAGE C − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATION OF FACTORY-EQUIPPED ELECTRIC MOTOR DRIVEN UNITS PAGE C − 1. . . . . . .

Component Function PAGE C − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rotation PAGE C − 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Priming PAGE C − 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATION OF FACTORY-EQUIPPED ENGINE MOTOR DRIVEN UNITS PAGE C − 2. . . . . . . . .

Before Starting PAGE C − 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Manual Starting (Deutz Powered Units) PAGE C − 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Manual Starting (John Deere and Caterpillar Powered Units) PAGE C − 3. . . . . . . . . . . . . . . .

TABLE OF CONTENTS

(continued)

Automatic Starting (Deutz Powered Units) PAGE C − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Automatic Starting (John Deere and Caterpillar Powered Units) PAGE C − 4. . . . . . . . . . . . . .

PRIMING PAGE C − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ROUTINE OPERATION (Engine Driven Units) PAGE C − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATION IN EXTREME HEAT (Engine Driven Units) PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . .

OPERATIONAL CHECKS (All Models) PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Leakage PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Vacuum Check PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vacuum Pump Discharge Line PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Liquid Temperature And Overheating PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Strainer Check PAGE C − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

STOPPING (Electric Motor Driven Units) PAGE C − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

STOPPING (Engine Driven Units) PAGE C − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Manual Stopping (Deutz Powered Units) PAGE C − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Manual Stopping (John Deere and Caterpillar Powered Units) PAGE C − 6. . . . . . . . . . . . . . .

Automatic Stopping PAGE C − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Shutdown System PAGE C − 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PERIODIC CHECKS (All Models) PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seal Cavity And Bearing Lubrication PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bearing Temperature Check PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PERIODIC CHECKS (Engine Driven Units) PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Fuel Filter PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Oil PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Belts PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COLD WEATHER PRESERVATION (All Models) PAGE C − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING − SECTION D PAGE D − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PREVENTIVE MAINTENANCE PAGE D − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

PERFORMANCE CURVES PAGE E − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PARTS LISTS:

Pump Models PAGE E − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Model (SAE 4/10) PAGE E − 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Model (FRAME) PAGE E − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vacuum Pump Assembly PAGE E − 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Priming Chamber Kit PAGE E − 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Check Valve Kit PAGE E − 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drive Assembly (Factory-Equipped Engine Driven Units) PAGE E − 12. . . . . . . . . . . . . . . . . . . .

PUMP MAINTENANCE AND REPAIR PAGE E − 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DISCHARGE CHECK VALVE DISASSEMBLY AND REASEMBLY PAGE E − 14. . . . . . . . . . . . . . . . .

Discharge Check Valve Removal and Disassembly PAGE E − 14. . . . . . . . . . . . . . . . . . . . . . . . .

Discharge Check Valve Assembly and Installation PAGE E − 14. . . . . . . . . . . . . . . . . . . . . . . . . .

PRIMING CHAMBER DISASSEMBLY AND REASEMBLY PAGE E − 14. . . . . . . . . . . . . . . . . . . . . . . .

Suction Spool and Priming Chamber Removal and Disassembly PAGE E − 14. . . . . . . . . . . . .

Suction Spool and Priming Chamber Assembly and Installation PAGE E − 15. . . . . . . . . . . . . .

VACUUM PUMP MAINTENANCE AND REPAIR PAGE E − 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vacuum Pump Removal PAGE E − 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vacuum Pump Disassembly PAGE E − 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vacuum Pump Reassembly PAGE E − 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TABLE OF CONTENTS

(continued)

iii

Vacuum Pump Installation PAGE E − 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vacuum Pump Lubrication PAGE E − 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PUMP AND SEAL DISASSEMBLY AND REASSEMBLY PAGE E − 18. . . . . . . . . . . . . . . . . . . . . . . . .

Pump Casing Removal PAGE E − 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Impeller Removal PAGE E − 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seal Removal PAGE E − 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Back Plate Removal PAGE E − 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Separating Pump Frame And Drive Assembly From Engine PAGE E − 20. . . . . . . . . . . . . . . . .

Pump Shaft and Bearing Removal and Disassembly PAGE E − 20. . . . . . . . . . . . . . . . . . . . . . . .

Bearing Cleaning And Inspection PAGE E − 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Shaft and Bearing Reassembly and Installation PAGE E − 21. . . . . . . . . . . . . . . . . . . . . .

Drive Assembly Installation PAGE E − 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seal Reassembly and Installation PAGE E − 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Impeller Installation PAGE E − 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump Casing and Wear Ring Installation PAGE E − 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PUMP LUBRICATION PAGE E − 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Seal Assembly PAGE E − 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bearings PAGE E − 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine PAGE E − 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OM−06193

RP SERIES

PAGE I − 1INTRODUCTION

INTRODUCTION

Thank You for purchasing a Gorman-Rupp pump.

Read this manual carefully to learn how to safely

install and operate your pump. Failure to do so

could result in personal injury or damage to the

pump. This Installation, Operation, and Mainte-

nance manual is designed to help you achieve the

best performance and longest life from your Gor-

man-Rupp pump.

This pump is an RP Series, priming-assisted cen-

trifugal model. It is designed for handling non-vola-

tile, non-flammable liquids containing specified en-

trained solids. The basic material of construction is

gray iron.

Because pump installations are seldom identical,

this manual cannot possibly provide detailed in-

structions and precautions for every aspect of

each specific application. Therefore, it is the re-

sponsibility of the owner/installer of the pump to

ensure that applications not addressed in this

manual are performed only after establishing that

neither operator safety nor pump integrity are com-

promised by the installation. Pumps and related

equipment must be installed and operated ac-

cording to all national, local and industry stan-

dards.

If there are any questions regarding the pump

which are not covered in this manual or in other lit-

erature accompanying the unit, please contact

your Gorman-Rupp distributor or the Gorman-

Rupp Company:

The Gorman-Rupp Company

P.O. Box 1217

Mansfield, Ohio 44901−1217

Phone: (419) 755−1011

or:

Gorman-Rupp of Canada Limited

70 Burwell Road

St. Thomas, Ontario N5P 3R7

Phone: (519) 631−2870

For information or technical assistance on the en-

gine, contact the engine manufacturer’s local

dealer or representative.

The following are used to alert personnel to proce-

dures which require special attention, to those

which could damage equipment, and to those

which could be dangerous to personnel:

Immediate hazards which WILL result in

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.

Hazards or unsafe practices which COULD

result in minor personal injury or product or

property damage. These instructions de-

scribe the requirements and the possible

damage which could result from failure to

follow the procedure.

NOTE

Instructions to aid in installation, operation, and

maintenance or which clarify a procedure.

RP SERIES OM−06193

PAGE A − 1SAFETY

SAFETY - SECTION A

This information applies to RP Series

pumps. Refer to the manual accompa-

nying the engine or power source be-

fore attempting to begin operation.

Because pump installations are seldom

identical, this manual cannot possibly

provide detailed instructions and pre-

cautions for each specific application.

Therefore, it is the owner/installer’s re-

sponsibility to ensure that applications

not addressed in this manual are per-

formed only after establishing that nei-

ther operator safety nor pump integrity

are compromised by the installation.

Before attempting to open or service the

pump:

1. Familiarize yourself with this man-

ual.

2. Shut down the engine and discon-

nect the positive battery cable, or

lock out incoming power to the mo-

tor and take precautions to ensure

that the pump will remain inopera-

tive.

3. Allow the pump to completely cool

if overheated.

4. Check the temperature and make

sure the pump is cool before open-

ing any covers, plates, or plugs.

5. Close the suction and discharge

valves.

6. Vent the pump slowly and cau-

tiously.

7. Drain the pump.

This pump is designed to handle most

non-volatile, non-flammable liquids

containing specified entrained solids.

Do not attempt to pump volatile, corro-

sive, or flammable liquids which may

damage the pump or endanger person-

nel as a result of pump failure.

Use lifting and moving equipment in

good repair and with adequate capacity

to prevent injuries to personnel or dam-

age to equipment. Attach lifting equip-

ment to the lifting device fitted to the

pump. If chains or cable are wrapped

around the pump to lift it, make certain

that they are positioned so as not to

damage the pump, and so that the load

will be balanced. The bail is intended for

use in lifting the pump assembly only.

Suction and discharge hoses and pip-

ing must be removed from the pump be-

fore lifting.

After the pump has been installed, make

certain that the pump and all piping or

hose connections are tight, properly

supported and secure before operation.

Do not operate the pump against a

closed discharge valve. If operated

against a closed discharge valve, pump

components will deteriorate, and the

liquid could come to a boil, build pres-

sure, and cause the pump casing to rup-

ture or explode. Momentary closure of a

discharge valve is acceptable only

when required for startup or shutdown

procedures.

Do not remove plates, covers, gauges,

RP SERIESOM−06193

PAGE A − 2 SAFETY

pipe plugs, or fittings from an over-

heated pump. Vapor pressure within the

pump can cause parts being disen-

gaged to be ejected with great force. Al-

low the pump to cool completely before

servicing.

Do not operate the pump without a

guard in place over the rotating parts.

Exposed rotating parts can catch cloth-

ing, fingers, or tools, causing severe in-

jury to personnel.

This pump may be used to handle mate-

rials which could cause illness through

direct exposure or emitted fumes. Wear

adequate protective clothing when

working on the pump or piping.

This pump may be equipped with auto-

matic liquid level controls, and there-

fore subject to automatic restart. Keep

hands and clothing away from the unit to

prevent injury during automatic opera-

tion. Shut down the engine and discon-

nect the positive battery cable, or lock

out incoming power to the motor before

performing any maintenance. Failure to

do so may result in serious personal in-

jury.

Make sure the pump is level. Lower jack

stands and chock the wheels, if so

equipped. Use caution when positioning

the skid-mounted unit to prevent damage

to the fuel tank.

If the pump is powered by an electric

motor, the motor must be operated

through a control box that provides

overload protection and power control.

Do not connect the pump motor directly

to the incoming power lines.

If the pump is powered by an electric

motor, the electrical power high enough

to cause injury or death. Obtain the ser-

vices of a qualified electrician to make

all electrical connections. Make certain

that the pump is properly grounded;

never use gas pipe as an electrical

ground. Be sure that the incoming pow-

er matches the voltage and phase of the

motor and control before connecting to

the incoming power. Do not run the

pump if the voltage is not within the lim-

its.

If the pump is powered by an electric

motor, the electrical power high enough

to cause injury or death. Make certain

that the handle on the control box is in

the OFF position and locked out, or that

the power supply to the control box has

been otherwise cut off and locked out,

before attempting to open or service the

pump assembly. Tag electrical circuits

to prevent accidental start-up.

If the pump is powered by an electric

motor, all electrical connections must

be in accordance with The National

Electric Code and all local codes. If

there is a conflict between the instruc-

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