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Viking Pump TSM410.1: F-FH 4625 User Manual

Technical service manual, Contents introduction, Special information

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SECTION TSM 410.1
PAGE

1 Of 5

ISSUE

D

VIKING PUMP, INC.

A Unit of IDEX Corporation

Cedar Falls, IA 50613 USA

TECHNICAL SERVICE MANUAL

CONTENTS

INTRODUCTION

Introduction

1

Special Information

1

Safety Information

2

Maintenance

3

Disassembly

3

Assembly

4

UNMOUNTED PUMP

UNITS

F4625

Units are designated by the

unmounted pump model numbers
followed by a letter indicating
drive style

V = V-Belt

D = Direct Connected

FH4625

The illustrations used in this manual are for identification

purposes only and should not be used for ordering parts

Secure a parts list from the factory or a Viking representative

Always give complete name of part, part number and material

with the model and serial number of the pump when ordering

repair parts

This manual deals exclusively with the F and FH 4625 pumps

Figure 1 illustrates the overall appearance of the pumps in

this manual

UNMOUNTED PUMP aND UNIT MODEl NUMbERS

ROTATION: Viking pumps operate equally well in a clock-

wise or counterclockwise rotation Shaft rotation determines

which port is suction and which is discharge Port in the area

where the pumping elements (gear teeth) come out of mesh

is suction port

FIGURE 1

SERIES 4625 PUMP

F aND FH SIZES

SPECIal INFORMaTION

DaNGER !

before opening any Viking pump liquid

chamber (pumping chamber, reservoir,

relief valve adjusting cap fitting, etc.)

be sure:
1. That any pressure in the chamber has

been completely vented through the

suction or discharge lines or other

appropriate openings or connections.

2. That the driving means (motor, turbine,

engine, etc.) has been “locked out” or

made non-operational so that it cannot

be started while work is being done on

pump.

3. That you know what liquid the pump

has been handling and the precautions

necessary to safely handle the liquid.

Obtain a material safety data sheet

(MSDS) for the liquid to be sure these

precautions are understood.

Failure to follow above listed

precautionary measures may result in

serious injury or death.

Electronic copies of the most current TSM issue can be found on the Viking Pump website at www.vikingpump.com

abRaSIVE lIqUID PUMPS

SERIES 4625

SIZES F - FH