Viking Pump TSM142.2: LS-M 225/4225 User Manual

Technical service manual, Contents introduction

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VIKING PUMP, INC.

A Unit of IDEX Corporation

Cedar Falls, IA 50613 USA

TECHNICAL SERVICE MANUAL

SECTION TSM 142.2
PAGE

1 Of 14

ISSUE

E

CONTENTS

INTRODUCTION

The illustrations used in this manual are for identification

purposes only and cannot be used for ordering parts. Obtain a

parts list from the factory or a Viking® representative. Always

give complete name of part, part number and material with

model number and serial number of pump when ordering

repair parts. The unmounted pump or pump unit model

number and serial number are on the nameplate.
In the Viking model number system, basic size letters are

combined with the series number (225 and 4225) and used to

indicate either an unmounted pump or mounted pump unit.

Introduction . . . . . . . . . . . . . . . . . . . . . . .

1

Safety Information. . . . . . . . . . . . . . . . . . . .

2

Special Information . . . . . . . . . . . . . . . . . . .

3

Maintenance . . . . . . . . . . . . . . . . . . . . . .

4

Packed Pumps . . . . . . . . . . . . . . . . . . . . .

5

Disassembly . . . . . . . . . . . . . . . . . . . . .

6

Assembly . . . . . . . . . . . . . . . . . . . . . . .

7

Mechanical Seal Pumps . . . . . . . . . . . . . . . .

8

Disassembly . . . . . . . . . . . . . . . . . . . . .

9

Assembly . . . . . . . . . . . . . . . . . . . . . . .

10

Thrust Bearing Adjustment . . . . . . . . . . . . . . .

12

Installation of Carbon Graphite Bushings . . . . . . . .

12

Pressure Relief Valve Instructions . . . . . . . . . .

13

UNMOUNTED PUMP

UNITS

PACKED MECH. SEAL

Units are designated by the

unmounted pump model

numbers followed by a letter

indicating drive style.

V = V-belt

D = Direct Connected

R = Viking Speed Reducer

P = Commercial Speed

Reducer

LS225

LS4225

Q225

Q4225

QS225

QS4225

M225

M4225

This manual deals only with Series 225 and 4225 Heavy

Duty Bracket Mounted Pumps.

Refer to Figures 1 through

13 for general configuration and nomenclature used in this

manual. Pump specifications and recommendations are

listed in Catalog Section 142, Series 225 and 4225 Heavy

Duty Bracket Mounted Pumps.

SIzE lS - FIgURE 1

(Shown with Jacketed Head Plate)

SIzES Q, QS aND M - FIgURE 2

(Shown with Jacketed Relief Valve Type Head)

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

HEaVY-DUTY BRaCKET MOUNTED PUMPS

SERIES 225 aND 4225

SIzES lS, Q, QS, M

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