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Johnson Pump Top Wing Series - User Manual

Johnson Pump Top Wing Series
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A.0500.301.A-C – IM-TW/10.00 BU/GB (0401)
A-C – General, Technical,
Disassembly & Assembly
TopWing
Rotary Lobe Pumps

Table of Contents

Questions and Answers

  • F
    Frank BarnesAug 16, 2025
    What to do if my Johnson Pump Top Wing Water Pump has no flow?
    • L
      lramosAug 16, 2025
      If your Johnson Pump Water Pump experiences no flow, it might not be primed. Ensure the pump is properly primed to resolve this issue.
  • J
    James PowellAug 19, 2025
    Why does my Johnson Pump Water Pump overheat?
    • T
      Troy FloresAug 19, 2025
      If your Johnson Pump Water Pump overheats, it could be due to the product temperature being too high. Try reducing the product temperature.
  • D
    Daniel RitterAug 22, 2025
    Why does my Johnson Pump Top Wing have low capacity?
    • T
      Tiffany SimsAug 22, 2025
      If the Johnson Pump Water Pump has low capacity, there might be gas in the suction line. Check for and eliminate any gas present in the suction line.
  • J
    John FloresAug 26, 2025
    How to fix a Johnson Pump Water Pump that stalls on start up?
    • L
      Laura SilvaAug 26, 2025
      If the Johnson Pump Water Pump is stalling on start up, the direction of rotation might be incorrect. Make sure that the rotation is set correctly.
  • J
    John WatsonAug 28, 2025
    What to do if my Johnson Pump Top Wing Water Pump has irregular flow?
    • J
      Jessica HicksAug 28, 2025
      If your Johnson Pump Water Pump demonstrates irregular flow, it may be caused by air entering the suction line. Inspect the suction line and eliminate any air leaks.
  • M
    Martin DavisAug 31, 2025
    Why is the motor of my Johnson Pump Top Wing overheating?
    • J
      Joseph ConnerAug 31, 2025
      If the motor of your Johnson Pump Water Pump overheats, it could be because the pump speed is too low. Try increasing the pump speed.
  • M
    Michael NelsonSep 3, 2025
    What to do if my Johnson Pump Top Wing Water Pump experiences seizure?
    • D
      Dawn ColemanSep 3, 2025
      If your Johnson Pump Water Pump is seizing, it might not be primed. Ensure the pump is properly primed.
  • S
    Stephanie JacksonSep 6, 2025
    Why does my Johnson Pump Water Pump have excessive rotor wear?
    • C
      Craig TorresSep 6, 2025
      If your Johnson Pump Water Pump is excessively wearing the rotor, it could be because the product viscosity is too high. Reduce the product viscosity.
  • S
    Shannon CastroSep 9, 2025
    Why is my Johnson Pump Water Pump making noise and vibrating?
    • J
      John MckinneySep 9, 2025
      If your Johnson Pump Water Pump is producing unusual noise or vibrations, it may be due to product vaporizing in the suction line. Address the vaporization issue in the suction line.
  • M
    Michael GonzalezSep 12, 2025
    Why does my Johnson Pump Top Wing have excessive seal wear?
    • M
      Melissa FernandezSep 12, 2025
      If your Johnson Pump Water Pump has excessive seal wear, the discharge pressure might be too high. Reduce the discharge pressure.

Summary

1.0 Introduction

1.1 General Information

General information about TopWing rotary lobe pumps manufactured by Johnson Pump, Sweden.

1.2 Receipt, Storage, and Handling

Procedures for receiving, storing, and handling TopWing pumps to ensure their condition.

1.3 Safety Instructions

1.3.1 General Safety Precautions

General safety precautions for operating, servicing, and handling TopWing pumps.

1.3.2 Pump Unit Handling and Installation

Guidelines for safely lifting, handling, and installing TopWing pump units.

1.3.3 Commissioning, Guards, and Identification

Procedures for commissioning, coupling guards, and pump identification.

1.4 Pump Designation

1.4.1 Designation Details

Explains pump family, size, hydraulics, connection types, and rotor.

1.4.2 Example Designation

Illustrates the breakdown of a TopWing pump designation code.

1.5 Pump Model and Serial Number

1.5.1 Location and Importance

Details the location and importance of pump model and serial numbers.

1.6 Pump Standard Parts

1.6.1 Part Identification

Diagram identifying standard components of TopWing pumps.

1.7 General Performance

1.7.1 Performance Curves

Shows capacity and differential pressure limits for TopWing pumps.

2.0 Function, Construction, and Installation

2.1 Operating Principle

Describes how TopWing pumps work using Bi-Wing rotors.

2.2 Operating Parameters

Lists max speed, capacity, pressure, and torque for TopWing models.

2.3 System Design and Installation

2.3.1 CIP System Installation

Installing pumps for CIP cleaning, recommending differential pressure.

2.3.2 SIP System Installation

Handling SIP processes and temperature considerations for pumps.

2.4 Pump Start Procedure

2.4.1 Startup Steps

Steps to ensure safe and correct pump startup.

2.5 Shutdown Procedure

2.5.1 Safety Steps

Steps for safely shutting down the pump before maintenance.

2.6 Routine Maintenance

2.6.1 Maintenance Tasks

Regular checks like oil levels, changes, and monitoring vibration/temperature.

2.7 Troubleshooting

2.7.1 Fault Finding Chart

Chart for identifying and resolving common pump issues.

2.8 Heating and Cooling Jackets

2.8.1 Jacket Features and Limits

Details on pump covers for heating/cooling and their operational limits.

3.0 Technical Data

3.1 Rotor Clearances

Table of axial and radial clearances for pumps at max 150°C.

3.2 Oil Volume and Recommendations

3.2.1 Gearbox Oil Specifications

Recommended oils and oil volume for pump gearboxes.

3.3 Material Specifications

3.3.1 Machined Pump Parts

Materials used for machined pump components across models.

3.4 Dimensional Drawings and Weights

3.4.1 Standard Dimensions

Dimensions for standard TopWing pump configurations.

3.4.2 Vertical Mounting Dimensions

Dimensions for TopWing pumps in vertical mounting.

3.4.3 Flange Dimensions

Dimensions for standard and enlarged inlet flanges.

3.4.4 Thread and Clamp Connection Types

Illustrations of various thread and clamp connection types.

3.4.5 DIN and ANSI Flange Dimensions

Dimensions for DIN and ANSI flanges on TopWing pumps.

3.5 Weights

3.5.1 Standard Pump Weights

Weights for standard pumps in horizontal and vertical mounting.

3.6 Sound Levels

3.6.1 Performance Graphs

Graphs showing sound levels vs. differential pressure for different models.

4.0 Disassembly and Assembly Instructions

4.1 Tools Required for Service

List of tools for disassembling and assembling TopWing pumps.

4.2 General Service Guidelines

General guidelines for safe and proper pump disassembly and reassembly.

4.3 O-ring and Lip Seal Handling

Precautions for handling and installing O-rings and lip seals.

4.4 Pump Shutdown for Maintenance

Steps for safely shutting down the pump before maintenance.

4.5 Tightening Torques

4.5.1 Nut and Screw Torques

Table of specified tightening torques for nuts and screws.

4.6 Disassembly Procedures

4.6.1 Pump Cover and Rotor Removal

Step-by-step guide to remove the pump cover and rotors.

4.6.2 Seal Disassembly

Procedures for disassembling various pump seals.

4.6.3 Drive Assembly Disassembly

Steps for disassembling the pump's drive assembly.

4.6.4 Shaft Arrangement Disassembly

Procedure for disassembling the shaft and bearing arrangement.

4.6.5 Rotor Case Disassembly

Steps for disassembling the rotor case.

4.7 Assembly Procedures

4.7.1 Rotor Case Pre-assembly

Steps for pre-assembling the rotor case, including feet and lip seals.

4.7.2 Shaft and Bearing Assembly

Procedure for pre-assembling the shaft and bearing components.

4.7.3 Shaft Assembly and Bearing Setting

Assembling shafts and setting tapered roller bearings.

4.7.4 Axial Rotor Adjustment

Method for adjusting rotor axial position using shims.

4.7.5 Gear Assembly

Steps for assembling gears onto shafts, including cleaning and lubrication.

4.7.6 Rotor Synchronization

Procedures for synchronizing pump rotors.

4.7.7 End Cover Assembly

Steps for fitting lip seals, O-rings, and the end cover.

4.7.8 Seal Assembly

Procedures for assembling pump seals.

4.7.9 Rotor and Pump Cover Assembly

Steps for assembling rotors, retainers, and the pump cover.

5.0 Special Tools

5.1 General Tool Information

Benefits of using special tools for pump maintenance and repair.

5.2 Lip Seal Assembly Tool

Details and dimensions for fitting lip seals into the rotor case.

5.3 Lip Seal Assembly Sleeve

Details and dimensions for fitting shaft/bearing assemblies.

5.4 Radial Lip Seal Assembly Tool

Details and dimensions for fitting radial lip seals into end covers.

5.5 V-seal Assembly Tool

Details and dimensions for fitting axial lip seals onto drive shafts.

5.6 Shaft Synchronization Tool Kit

Tool kit for adjusting pump shaft positions relative to each other.

5.7 O-ring Disassembly Tool

Specific tool for disassembling O-ring seals from the rotor case.

Johnson Pump Top Wing Series Specifications

General IconGeneral
BrandJohnson Pump
ModelTop Wing Series
CategoryWater Pump
LanguageEnglish

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