Table of Contents
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Electronic copies of the most current TSM issue can be found on the Viking Pump website at www.vikingpump.com
CONTENTS
Safety Information & Instructions . . . . . . . . . . . . 2
Special Information . . . . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . 3
Disassembly . . . . . . . . . . . . . . . . . . . . . . 4
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 5
Seal Removal. . . . . . . . . . . . . . . . . . . . . 6
Thrust Bearing Adjustment . . . . . . . . . . . . . . . 6
Installation of Carbon Graphite Bushings . . . . . . . . 6
Pressure Relief Valve Instructions . . . . . . . . . . . 7
Disassembly . . . . . . . . . . . . . . . . . . . . . 7
Assembly . . . . . . . . . . . . . . . . . . . . . . . 7
Pressure Adjustment . . . . . . . . . . . . . . . . . 7
Warranty . . . . . . . . . . . . . . . . . . . . . . . . 8
INTRODUCTION
The illustrations used in this manual are for identification
purposes only and cannot be used for ordering parts. Obtain
a parts list from a Viking representative. 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.
In the Viking model number system, basic size letters are
combined with series number (4124B, 4224B) indicating
basic pump construction and material.
This manual deals only with Series 4124B and 4224B Heavy
Duty Bracket Mounted Pumps. Refer to Figures 1 through
11 for general configuration and nomenclature used in this
manual. Pump specifications and recommendations are
listed in Catalog Section 628, Viking Behind the Rotor Seal
internal gear pumps.
FIGURE 1 - LS4124B
VIKING PUMP, INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA
TECHNICAL SERVICE MANUAL
TECHNICAL SERVICE MANUAL
BEHIND THE ROTOR SEAL HEAVY DUTY PUMPS
SERIES 4124B AND 4224B CAST IRON
SIZES LS, Q, QS
UNMOUNTED PUMP
Non-Jacketed Jacketed
Units are designated by the unmounted
LS4124B
LS4224B
pump model numbers followed by a
letter indicating drive style.
Q4124B
Q4224B
V = V-Belt
D = Direct Connected
R = Viking Speed Reducer
QS4124B
QS4224B
P = Commercial Speed Reducer
Note: Series 4124B and 4224B pumps fitted with optional
pinned-seat seals (the abrasive liquid seals used in 4624B
Series pumps) should reference Technical Service Manual
410.5 for information on seal replacement.
FIGURE 2 - Q4224B
FIGURE 3 - QS4124B
SECTION
TSM 628.1
PAGE
1 OF 12
ISSUE
A
UNITS
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Table of Contents
Related Manuals for Idex VIKING PUMP 4124B Series
Summary of Contents for Idex VIKING PUMP 4124B Series
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Page 1: Table Of Contents
Catalog Section 628, Viking Behind the Rotor Seal FIGURE 2 - Q4224B internal gear pumps. FIGURE 1 - LS4124B FIGURE 3 - QS4124B VIKING PUMP, INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA... -
Page 2: Safety Information & Instructions
SAFETY INFORMATION AND INSTRUCTIONS IMPROPER INSTALLATION, OPERATION OR MAINTENANCE OF PUMP MAY CAUSE SERIOUS INJURY OR DEATH AND/OR RESULT IN DAMAGE TO PUMP AND/OR OTHER EQUIPMENT. VIKING’S WARRANTY DOES NOT COVER FAILURE DUE TO IMPROPER INSTALLATION, OPERATION OR MAINTENANCE. THIS INFORMATION MUST BE FULLY READ BEFORE BEGINNING INSTALLATION, OPERATION OR MAINTENANCE OF PUMP AND MUST BE KEPT WITH PUMP. -
Page 3: Special Information
SPECIAL INFORMATION MAINTENANCE Viking pumps are designed for long, trouble-free service life DANGER ! under a wide variety of application conditions with a minimum of maintenance. The points listed below will help provide long Before opening any Viking pump liquid chamber service life. -
Page 4: Disassembly
DISASSEMBLY Remove head from pump. Do not allow idler to fall from idler pin. Tilt top of head back when removing to prevent this. Avoid damaging head gasket. If pump is furnished DANGER ! with pressure relief valve, it need not be removed from head or disassembled at this point. -
Page 5: Assembly
BRACKET BALL BEARING BEARING HOUSING BEARING HOUSING SETSCREW SETSCREW SPACER COLLAR SPACER COLLAR SPACER SHAFT COLLAR SHAFT LIPSEAL LIPSEAL END CAP LIPSEAL SETSCREW TAPERED ROLLER BEARING END CAP FIGURE 6 SETSCREW Q-QS BEARING HOUSING ASSEMBLY HALF ROUND RINGS 3. Place tapered installation sleeve on the shaft. Coat the FIGURE 5 tapered sleeve and inside of the rotary member with a LS BEARING HOUSING ASSEMBLY... -
Page 6: Seal Removal
8. Using a .010 to .015 inch thick head gasket, install head DANGER ! and idler assembly on pump. Pump head and casing should have been marked before disassembly to ensure Before starting pump, be sure all drive proper reassembly. If not, be sure idler pin, which is offset equipment guards are in place. -
Page 7: Pressure Relief Valve Instructions
DISASSEMBLY Carbon graphite bushings with extra interference fits are frequently furnished for high temperature operation. These Mark valve and head before disassembly to insure proper bushings must be installed by a shrink fit. reassembly. 1. Heat bracket for idler to 750ºF. 1. -
Page 8: Warranty
OR PLACED ON NOTICE OF THE POSSIBILITY OF SUCH DAMAGES AND NOTWITHSTANDING THE FAILURE OF ANY ESSENTIAL PURPOSE OF ANY PRODUCT. © 11/2016 Viking Pump Inc. VIKING PUMP, INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA All rights reserved...