Viking Pump TSM151.1: H-LL 123/4123 - Manual

TECHNICAL SERVICE MANUAL
HEAVY DUTY STEEL EXTERNAL BRACKET MOUNTED PUMPS
SERIES 123 AND 4123
SIZES H-LL
SECTION TSM
151.1
PAGE 1 OF 13
ISSUE C
VIKING PUMP INC. •
A Unit of IDEX Corporation •
CONTENTS
Introduction
1
Special Information 2
Maintenance 3
Packed Pumps 4
Mechanical Seal Pumps
Standard Rubber Bellows Type
(Sizes H, HL, K, KK, LQ & LL) 8
Optional Teflon Seal 12
Thrust Bearing Adjustment 13
Installation of Carbon Graphite Bushings 13
Pressure Relief Valve Instructions 14
INTRODUCTION
The illustrations 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 (123 and 4123) indicating both
unmounted or mounted pump unit.
FIGURE 1
SIZES H AND HL
FIGURE 2
SIZES K AND KK
UNMOUNTED PUMP UNITS
PACKED MECH. SEAL
H123
HL123
K123
KK123
LQ123
LL123
H4123
HL4123
K4123
KK4123
LQ4123
LL4123
Units are designated by the
un-mounted pump model
numbers followed by a
letter(s) indicating drive style.
V = V-Belt
D = Direct Connected
R = Viking Speed Reducer
P = Commercial Speed
Reducer
This manual deals only with Series 123 and 4123 heavy-
duty Steel External Bracket Mounted Pumps. Refer to
Figures 1 through 16 for general configuration and
nomenclature used in this manual. Pump specifications and
recommendations are listed in Catalog Section 151, Series
123 and 4123 Heavy-Duty Steel External Bracket Mounted
Pumps.
FIGURE 3
SIZES LQ AND LL