Viking pump 8123A 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
Pressure Relief Valves ...........................................................3
Maintenance ...............................................................................3
Cleaning Pump .......................................................................3
Lubrication ..............................................................................3
Storage ...................................................................................3
Suggested Repair Tools .........................................................3
Pump Disassembly
(H, HL, K, KK, L, LQ, LL, LS Sizes)
Pump Disassembly
(Q, QS Sizes)
Disassembly: Bracket Bearing
Disassembly: Bearing Housing
Assembly: Bracket Bearing
(H, HL, K, KK, L, LQ, LL, LS Sizes)
Assembly: Bearing Housing
(Q, QS Sizes)
Installation: Carbon Graphite Bushings .....................................9
Adaptor Plate Bushing ...........................................................9
Canister Bushing ....................................................................9
Pump Assembly
(H, HL, K, KK, L, LQ, LL, LS Sizes)
Pump Assembly ......................................................13
(Q, QS Sizes)
Pump Rotation .........................................................................15
End Clearance Adjustment ......................................................15
Procedure A ..........................................................................15
Procedure B .........................................................................15
Pressure Relief Valve Instructions ...........................................16
Disassembly .........................................................................17
Assembly ..............................................................................17
Pressure Adjustment ............................................................17
Important Ordering Information ............................................17
APPENDIX ......................................................17
(Formerly TSM 000)
General Installation Notes ........................................................17
Foundation ...............................................................................19
Component & Unit Lifting Features .........................................19
Alignment .................................................................................20
Piping .......................................................................................21
Start Up ....................................................................................22
Troubleshooting .......................................................................22
Vacuum Gauge - Suction Port .............................................22
Pressure Gauge - Discharge Port ........................................23
Rapid Wear .............................................................................24
Preventative Maintenance .......................................................24
Do's & Don'ts ...........................................................................25
Installation ............................................................................25
Operation ..............................................................................25
Maintenance .........................................................................25
ESB-515 ...................................................................................26
Lubrication of Viking Pumps .................................................26
Lubrication of Viking Reducers ............................................26
Lubrication of Viking Associative Equipment .......................26
UNIVERSAL PRODUCT LINE: STEEL EXTERNALS
8123A SERIES™
SIZES: H, HL, K, KK, L, LQ, LL, LS, Q, QS
..........................6
...................................................7
.........8
(H, HL, K, KK, L, LQ, LL, LS Sizes)
................................8
(Q, QS Sizes)
..............9
.....................................9
.............................10
© 2019 Viking Pump, Inc. • Cedar Falls, IA

MODEL NUMBER CHART

SEALLESS MAG DRIVE
H8123A K8123A
HL8123A KK8123A
L8123A
LQ8123A
LL8123A
LS8123A
⚠ WARNING !
Persons with surgical implants of a metallic or electronic
nature should avoid working on pump - especially the
inner magnet assembly.
This information must be read fully before beginning any
maintenance or repair of the pump. All maintenance or
repair must be done by SUITABLY TRAINED or qualified
persons only.

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
FIGURE 3: Q, QS SIZES
TSM 1303
Page 1 of 27
Issue C
Q8123A
QS8123A
representative.
®
FIGURE 2: K, KK, L, LQ,
LL, LS SIZES