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IJ PUMP OPERATION AND MAINTENANCE MANUAL

BO2660-01

TABLE OF CONTENTS

PREFACE ............................................................................................................................................. xi

OPERATING SPECIFICATIONS......................................................................................................xiii

TORQUE PROCEDURE ................................................................................................................... xvii

1. DESCRIPTION .............................................................................................................................1-1

1.1 PHYSICAL DESCRIPTION.....................................................................................................1-1

1.1.1 GENERAL FEATURES ....................................................................................................1-1

1.1.1.1 Intermediate Cover-Diffuser .......................................................................................1-1
1.1.1.2 Suction Spacer and Discharge Diffuser-Spacer...........................................................1-1
1.1.1.3 Wearing Rings and Bushings ......................................................................................1-1
1.1.1.4 Impellers ......................................................................................................................1-2
1.1.1.5 Bearings.......................................................................................................................1-2
1.1.1.6 Shaft Seals ...................................................................................................................1-2
1.1.1.7 Lube Oil System ..........................................................................................................1-2
1.1.1.8 Seal Piping...................................................................................................................1-2
1.1.1.9 Baseplates ....................................................................................................................1-2
1.1.1.10 Drivers .......................................................................................................................1-2

1.1.2 SPECIAL TOOLS..............................................................................................................1-2
1.1.3 INTERFERENCE FIT .......................................................................................................1-2

1.2 OPERATING PRINCIPLES .....................................................................................................1-3

1.2.1 PUMP FLOW.....................................................................................................................1-3
1.2.2 BALANCE .........................................................................................................................1-3

1.2.2.1 Radial Balance.............................................................................................................1-3
1.2.2.2 Axial Balance ..............................................................................................................1-3

1.2.3 BALANCING DRUM PIPING..........................................................................................1-3
1.2.4 MINIMUM FLOW.............................................................................................................1-4
1.2.5 MINIMUM FLOW ORIFICE ............................................................................................1-4
1.2.6 NET POSITIVE SUCTION HEAD ...................................................................................1-4
1.2.7 SHAFT SEAL ....................................................................................................................1-4
1.2.8 COOLING WATER SYSTEM ..........................................................................................1-4
1.2.9 LUBE OIL SYSTEM .........................................................................................................1-4

1.2.9.1 Auxiliary Oil Pump .....................................................................................................1-4
1.2.9.2 Pressure Switch ...........................................................................................................1-5
1.2.9.3 Pressure Relief Valve ..................................................................................................1-5

1.2.10 THERMAL EXPANSION ...............................................................................................1-5

2. RECEIVING, STORAGE, AND PREINSTALLATION ..........................................................2-1

2.1 RECEIVING..............................................................................................................................2-1

2.1.1 SHIPMENT INSPECTION................................................................................................2-1
2.1.2 INBOARD AND OUTBOARD BEARING SHIPPING SHIMS ......................................2-1
2.1.3 LIFTING ............................................................................................................................2-1

2.1.3.1 Baseplate-Mounted Pump and Driver .........................................................................2-2
2.1.3.2 Soleplate-Mounted Barrel Pump .................................................................................2-3
2.1.3.3 Multistage Internal Assembly: Barrel Pump ...............................................................2-3
2.1.3.4 Multistage Rotor..........................................................................................................2-4
2.1.3.5 Multistage Shaft ..........................................................................................................2-4