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

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