Viking Pump TSM161.3: LS-M 127/4127 - Manual

SECTION TSM 161.3
PAGE
1 Of 12
ISSUE D
VIKING PUMP, INC. • A Unit of IDEX Corporation •
Cedar Falls, IA 50613 USA
TECHNICAL SERVICE MANUAL
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 series number (127 and 4127) and used to
indicate either an unmounted pump or mounted pump unit.
fIgURE 1
Size LS
Introduction . . . . . . . . . . . . . . . . . . . . . . . 1
Special Information . . . . . . . . . . . . . . . . . . . 2
Maintenance . . . . . . . . . . . . . . . . . . . . . . 3
Packed Pumps . . . . . . . . . . . . . . . . . . . . . 4
Mechanical Seal Pumps . . . . . . . . . . . . . . . . 7
Thrust Bearing Adjustment . . . . . . . . . . . . . . . 11
Installation of Carbon Graphite Bushings . . . . . . . . 11
Pressure Relief Valve Instructions . . . . . . . . . . . 11
fIgURE 2
Sizes Q, QS and M
UNMOUNTED PUMP UNITS
PACKED MECH. SEAL
LS127 LS4127
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
Q127 Q4127
QS127 QS4127
M127 M4127
This manual deals only with Series 127 and 4127 Heavy Duty
Stainless Steel Bracket Mounted Pumps. Refer to figures 1
through 10 for general configuration and nomenclature used
in this manual. Pump specifications and recommendations
are listed in Catalog Section 161, Series 127 and 4127 Heavy
Duty Bracket Mounted Pumps.
Electronic copies of the most current TSM issue can be found on the Viking Pump website at www.vikingpump.com
HEAVY-DUTY STAINLESS STEEL BRACKET
MOUNTED PUMPS
SERIES 127 AND 4127
SIZES LS, Q, QS, M