Waterous CP-4 Manuale utente

Waterous Company • 125 Hardman Avenue South • South Saint Paul, MN 55075 • (651) 450-5000

www.waterousco.com

CP-4 and CP-4UH

Overhaul Instructions

Form Number F-2915 Issue Date: May 27, 2021

Revision Date: Jul 6, 2021

Table of Contents

Safety 4

Safety Precautions 4

Introduction 5

Using this Document 5

Viewing the Document Electronically 5

Printing the Document 5

Symbols 5

Identifying Exterior Components—Top 6

Identifying Exterior Components—Bottom 7

Disassembly 8

Preparing to Disassemble the Pump 8

Tools Required 8

Preparing the Apparatus 8

Best Practices 8

Removing the Pump 8

Disassembling the Pump Components 8

Optional Equipment 8

Separating the Pump and Transmission 9

Removing the Packing Cooler Hose 9

Removing the Bearing Housing 10

Removing the Packing Housing Screws 11

Removing the Pump Body Hardware 12

Removing the Dowel Pins 14

Removing the Upper Pump Body and Bearing Cover 15

Removing the Lower Pump Body 16

Removing the Impeller Shaft Assembly 17

Removing the Impeller Shaft Components 18

Assembly 21

Preparing to Assemble the Pump 21

Tools Required 21

Best Practices 21

Optional Equipment 21

Assembling the Pump Components 21

Installing the Pump 21

Understanding the Illustrations 21

Impeller Shaft Assembly 22

Assembling the Bearing Housing 23

Assembling the Impeller Shaft 24

Installing and Tightening the Packing 27

Pump Body Assembly 28

Installing the Lower Pump Body 30

Installing the Bearing Cover 31

Installing the Upper Pump Body 32

Installing the Pump Body Hardware 34

Installing the Packing Housing Hardware 35

Installing the Flinger Ring and Bearing 36

Installing the Bearing Housing 37

Installing the Packing Cooler Hose 38

Testing After Installation 39

4 |41

 Introduction Disassembly Assembly

Safety Precautions

• Read and understand this document before you begin the overhaul.

• Read and understand all the notices and safety precautions.

• Be aware that these instructions are only guidelines and are not meant to be

definitive. Contact Waterous when you have questions.

• Do not overhaul this equipment if you are not familiar with the tools and skills

needed to safely perform the required procedures.

• Do not modify the equipment.

• Waterous reserves the right to make modifications to the instructions without

notice.

Always support heavy

equipment while servicing.

Unsupported equipment

may shift or fall during dis-

assembly, causing injury

or damage.

Unsupported Equipment

•

Do not touch the surface

during operation––allow

it to cool after operating.

Hot surface can burn you.

Hot Surface

•

Drain the pump after use

and before servicing.

Liquid ejected at high

pressure can cause

serious injury.

High Pressure

•

5 |41

Safety Introduction Disassembly Assembly

Use this document to overhaul your Waterous equipment. Please understand

the following conditions:

• Be aware that these instructions are only guidelines and are not meant to be

definitive. Contact Waterous when you have questions.

• Understand that your configuration may require additional steps, that are not

described in the illustrations or instructions, to perform the overhaul.

• The equipment described in this document is intended to be overhauled by

a person or persons with the necessary skills and knowledge to perform the

overhaul.

This document is divided into the following sections:

Safety

This section describes general precautions and alert symbols that are in this

document.

Introduction

This section is an overview of the document.

Disassembly

This section describes disassembly procedures.

Assembly

This section describes assembly procedures.

Using this Document

Use the guidelines below when viewing this document.

Viewing the Document Electronically

• View this document in landscape orientation.

• Use the table of contents to navigate directly to that section.

• Text with this appearance is linked to a reference.

Printing the Document

• The document is viewed the best when printed in color.

• The print on both sides and flip on long edge features can provide the

best results.

• Use a 3-ring binder to store the document.

Symbols

Symbols are used to illustrate additional tools or operations that are required to

complete the instruction.

Arbor press—This symbol tells you to use an arbor press to

complete this step.

Discard—This symbol tells you to discard or recycle the part in

accordance with local regulations.

Finger tight, then full turn—This symbol tells you to secure

the hardware to finger tight, then use a wrench to tighten the

hardware an additional turn.

High-pressure grease—This symbol tells you to apply high-

pressure grease to the surfaces that you are pressing together.

Lubrication—This symbol tells you to apply the appropriate

lubricant to the part.

Sealant—This symbol tells you to apply a appropriate sealant to

the part.

Torque to specification—This symbol tells you to torque the

hardware to the specified value.

6 |41

Safety Introduction Disassembly Assembly

Identifying Exterior Components—Top

Use the illustration to identify various components

on the pump.

1Transmission

2 Oil fill plug

3Transmission mounting hardware

Discharge

5Packing cooler hose

6Flange hardware

7 |41

Safety Introduction Disassembly Assembly

Identifying Exterior Components—Bottom

5 6

Use the illustration to identify various components

on the pump.

1Transmission

2Transmission mounting hardware

3Intake

4Packing cooler hose

5 Drain port

6Flange hardware

7 Oil drain plug

8 Oil level plug

8 |41

Safety Introduction Disassembly Assembly

Preparing to Disassemble the Pump

• Read and understand the instructions before disassembling the equipment.

• Prepare a workspace suitable to accommodate and support the pump.

• Gather the necessary tools, cleaning cloths, brushes, and penetrating fluids.

• Understand that your configuration may require additional steps that are not

described in the illustrations or instructions to perform the disassembly.

• This equipment is intended to be disassembled by a person or persons with

the basic knowledge of servicing similar equipment. Contact Waterous for

more information.

Tools Required

• Typical automotive mechanics hand tools.

• Suitable arbor press.

• Suitable support and lifting equipment.

Preparing the Apparatus

• Park the apparatus on a level surface in a well-lit area.

• Engage the parking brake.

• Shut off the engine and remove the key from the ignition switch.

• Allow the apparatus to cool before servicing.

Best Practices

• Remove any dirt, sand, grease, or oil from the enclosure before you

disassemble the transmission. Surface debris can transfer into the pump

interior and prematurely wear internal parts.

• Only use a clean lint-free cloth, a debris-free work surface, and properly

maintained tools to perform the disassembly.

• Replace any gaskets and O-ring seals during the overhaul.

• Do not reuse the self-locking nuts.

• Apply penetrating oil to screws and nuts before disassembly.

Removing the Pump

Removing the pump for overhaul varies by application. Your application

may require components such as drain lines, support brackets, plumbing

connections, and other accessories be removed or disconnected before

removing the pump.

Furthermore, some applications require you to remove the transmission and

pump together before separating the pump from the transmission. Other

applications allow you to separate the pump without removing the transmission

from the apparatus. Refer to the transmission instructions before proceeding.

Record the process used to remove the equipment from the apparatus. Use

this information to install the equipment into the apparatus after the overhaul.

Disassembling the Pump Components

• Refer to the service parts list (SPL) for part identification and disassemble

order.

Note: Documents specic to your application are available through the

MyWaterous login at Waterousco.com by entering the serial number for

your system. Depending on the application, the serial number for your

equipment is located on the operator panel, pump, transmission, or

some combination of the three.

• Use established industry practices to disassemble the pump.

• Record or mark components as you remove them to make sure that you

install them in the same orientation.

• Discard or recycle drained fluids collected during the overhaul in accordance

with local regulations.

Optional Equipment

Be aware that the disassembly instructions may include optional equipment not

included in your application.

9 |41

Safety Introduction Disassembly Assembly

Separating the Pump and Transmission

Removing the Packing Cooler Hose

Use the illustrations and instructions to remove the

packing cooler hose.

1 Remove the hose from the upper pump body

fitting.

2 Remove the hose from the pump intake fitting.

10 |41

Safety Introduction Disassembly Assembly

Separating the Pump and Transmission

Removing the Bearing Housing

Use the illustrations and instructions to remove the

bearing housing.

1Remove the bearing housing hardware.

2Remove the bearing housing and bearing from

the pump.

Note: In some cases, the bearing housing

and bearing may need to be removed

separately.

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