Viking pump 127A Series Technical & Service Manual

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TECHNICAL SERVICE MANUAL: INSTALLATION, OPERATION & MAINTENANCE

TABLE OF CONTENTS

Model Number Chart ..................................................................1
Introduction ................................................................................1
Safety Information & Instructions ...............................................2
Special Information ....................................................................3
Rotation ..................................................................................3
Circulation Lines .....................................................................3
Jacketed Ports ........................................................................3
Pressure Relief Valves ...........................................................3
Mechanical Seals ...................................................................3
Maintenance ...............................................................................3
Lubrication ..............................................................................3
Packing Adjustment ................................................................3
Cleaning Pump .......................................................................3
Storage ...................................................................................3
Suggested Repair Tools .........................................................3
Removal: Cartridge Mechanical Seal ........................................7
Installation: Cartridge Mechanical Seal .....................................7
Removal: Component Mechanical Seal ....................................8
Installation: Component Mechanical Seal .................................8
Removal: O-Pro Guard Seal ....................................................9
®
Installation: O-Pro Guard Seal .................................................9
®
Removal: Packing ....................................................................10
Installation: Packing .................................................................10
Pump Disassembly ..................................................................10
Pump Assembly ....................................................................... 11
Thrust Bearing Adjustment ......................................................12
Installation: Carbon Graphite Bushings ...................................13
Pressure Relief Valve Instructions ...........................................14
Disassembly .........................................................................14
Assembly ..............................................................................14
Pressure Adjustment ............................................................14
Important Ordering Information ............................................14
APPENDIX ......................................................15
(Formerly TSM 000)
General Installation Notes ........................................................15
Foundation ...............................................................................16
Component & Unit Lifting Features .........................................16
Alignment .................................................................................18
Piping .......................................................................................18
Start Up ....................................................................................19
Troubleshooting .......................................................................20
Vacuum Gauge - Suction Port .............................................20
Pressure Gauge - Discharge Port ........................................20
Rapid Wear .............................................................................21
Preventative Maintenance .......................................................22
Do's & Don'ts ...........................................................................22
Installation ............................................................................22
Operation ..............................................................................22
Maintenance .........................................................................23
ESB-515 ...................................................................................23
Lubrication of Viking Pumps .................................................23
Lubrication of Viking Reducers ............................................23
Lubrication of Viking Associative Equipment .......................23
UNIVERSAL PRODUCT LINE: STAINLESS STEEL
127A SERIES™, 1127A SERIES™, 4127A SERIES™, 227A SERIES™, 1227A SERIES™,
4227A SERIES™, 327A SERIES™, 1327A SERIES™, 4327A SERIES™
SIZES: H, HL, K, KK, LQ, LL, LS, Q, QS, N, R, RS
© 2022 Viking Pump, Inc. • Cedar Falls, IA

MODEL NUMBER CHART

NON-JACKETED
O-Pro Mech.
®
Packed Guard Seal Seal
H127A H1127A H4127A
HL127A HL1127A HL4127A
K127A K1127A K4127A
KK127A KK1127A KK4127A
LQ127A LQ1127A LQ4127A
LL127A LL1127A LL4127A
LS127A LS1127A LS4127A
Q127A Q1127A Q4127A
QS127A QS1127A QS4127A

INTRODUCTION

The illustrations used in this manual are for identification
purposes only and cannot be used for ordering parts.
Obtain a parts list from your Viking Pump
Always give a complete name of part, part number and
material with the 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.
This manual only applies to the pump models specified in the
"Model Number Chart" on page 1. Pump specifications and
recommendations are listed in the Catalog Sections, which
are available at vikingpump.com.
FIGURE 1: H, HL SIZES
(HL4127A SHOWN)
FIGURE 3: Q, QS SIZES
(QS127A SHOWN)
TSM 1700
Page 1 of 24
Issue F
JACKETED
O-Pro Mech.
®
Packed Guard Seal Seal
H227A H1227A H4227A
HL227A HL1227A HL4227A
K227A K1227A K4227A
KK227A KK1227A KK4227A
LQ227A LQ1227A LQ4227A
LL227A LL1227A LL4227A
LS227A LS1227A LS4227A
Q227A Q1227A Q4227A
QS227A QS1227A QS4227A
N327A N1327A N4327A
R327A R1327A R4327A
RS327A RS1327A RS4327A
representative.
®
FIGURE 2: K, KK, LQ, LL,
LS SIZES
(KK1127A SHOWN)
FIGURE 4: N, R, RS
SIZES
(N4327A SHOWN)