Viking pump 126A Series Technical & Service Manual

Ductile iron

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Technical & service manual (12 pages)

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VISIT VIKINGPUMP.COM FOR PDF OF CURRENT TSM ISSUE & TO VIEW REPAIR VIDEOS

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 ........................................5

Installation: Cartridge Mechanical Seal .....................................5

Removal: Component Mechanical Seal ....................................6

Installation: Component Mechanical Seal .................................6

Removal: Packing ......................................................................7

Installation: Packing ...................................................................7

Pump Disassembly ....................................................................7

Pump Assembly .........................................................................8

Thrust Bearing Adjustment ........................................................9

Installation: Carbon Graphite Bushings ...................................10

Pressure Relief Valve Instructions ...........................................10

Disassembly .........................................................................10

Assembly .............................................................................. 11

Pressure Adjustment ............................................................ 11

Important Ordering Information ............................................ 11

...................................................... 11

APPENDIX

(Formerly TSM 000)

General Installation Notes ........................................................ 11

Foundation ...............................................................................13

Component & Unit Lifting Features .........................................13

Alignment .................................................................................14

Piping .......................................................................................15

Start Up ....................................................................................16

Troubleshooting .......................................................................16

Vacuum Gauge - Suction Port .............................................16

Pressure Gauge - Discharge Port ........................................17

Rapid Wear .............................................................................18

Preventative Maintenance .......................................................18

Do's & Don'ts ...........................................................................19

Installation ............................................................................19

Operation ..............................................................................19

Maintenance .........................................................................19

UNIVERSAL PRODUCT LINE: DUCTILE IRON

126A SERIES™, 4126A SERIES™,

226A SERIES™, 4226A SERIES™

SIZES: H, HL, K, KK, L, LQ, LL, LS, Q, QS

MODEL NUMBER CHART

NON-JACKETED

PACKED

MECH. SEAL

H126A

H4126A

HL126A

HL4126A

K126A

K4126A

KK126A

KK4126A

L126A

L4126A

LQ126A

LQ4126A

LL126A

LL4126A

LS126A

LS4126A

Q126A

Q4126A

QS126A

QS4126A

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

(HL4126A SHOWN)

FIGURE 3: Q, QS SIZES

(QS126A SHOWN)

TSM

1600

Page

1 of 20

Issue

JACKETED

PACKED

MECH. SEAL

H226A

H4226A

HL226A

HL4226A

K226A

K4226A

KK226A

KK4226A

L226A

L4226A

LQ226A

LQ4226A

LL226A

LL4226A

LS226A

LS4226A

Q226A

Q4226A

QS226A

QS4226A

representative.

FIGURE 2: K, KK, L,

LQ, LL, LS SIZES

(K226A SHOWN)

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Summary of Contents for Viking pump 126A Series

Page 1 Troubleshooting ...............16 (QS126A SHOWN) Vacuum Gauge - Suction Port ..........16 Pressure Gauge - Discharge Port ........17 Rapid Wear ................18 Preventative Maintenance ............18 Do’s & Don’ts ................19 Installation ................19 Operation ................19 Maintenance .................19 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 2 BEFORE operating the pump, be sure that: information, refer to Appendix, General Installation Notes, • It is clean and free from debris. item 5 on Pressure Protection or contact your Viking Pump ® representative for Engineering Service Bulletin ESB-31. • All valves in the suction and discharge pipelines are fully opened.
Page 3 500 hours of operation with If pump rotation is reversed during operation, pressure multi-purpose grease, NLGI # 2. Contact your Viking Pump protection must be provided on both sides of pump. representative with specific lubrication questions or to obtain a copy of Engineering Service Bulletin ESB-515.
Page 4 Capscrew for Valve Packing / Mechanical Seal Gland Nut Casing (Tapped or Flanged) Internal Relief Valve FIGURE 5: EXPLODED VIEW (Q, QS SIZES) — 126A SERIES™, 4126A SERIES™, 226A SERIES™, 4226A SERIES™ NOTE: IMAGE IS REPRESENTATIVE ONLY Item Name Of Part...
Page 5 Disassembly" on page 7. with P-80 or equivalent before assembly. ® P-80 is a registered trademark of International Products Corporation ® TSM 1600 | Issue A | Page 5 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 6 Coat rotor shaft, tapered installation sleeve and inner diameter of mechanical seal with P-80® or equivalent before assembly. P-80 is a registered trademark of International Products Corporation ® TSM 1600 | Issue A | Page 6 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 7 TABLE 1: PACKING RING CHART Pump Size Number of Packing Rings H, HL K, KK, L, LQ, LL, LS Q, QS TSM 1600 | Issue A | Page 7 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 8 It is possible to install bearings incorrectly. For proper assembly see "Figure 11" on page 8. TSM 1600 | Issue A | Page 8 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 9 Failure to properly mount guards may result in serious injury or death. 5. Rotate the rotor shaft by hand to make sure it turns freely. TSM 1600 | Issue A | Page 9 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 10 4. Remove bonnet, spring guide, spring and poppet from valve body. Clean and inspect all parts for wear or damage and replace if necessary. TSM 1600 | Issue A | Page 10 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 11 See Figure A3 for correct idler pin location in relation to pump ports. FIGURE A1 FIGURE A2 Left-Hand Right-Hand Pump Pump TSM 1600 | Issue A | Page 11 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 12 (e). When the force exerted by the liquid under the poppet exceeds that exerted by the spring, the poppet lifts and liquid starts to flow through the valve. TSM 1600 | Issue A | Page 12 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 13 The slings can slide, allowing the unit to tip and/or fall. Improper lifts can result in personal injury and/or damage to the unit. TSM 1600 | Issue A | Page 13 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 14 Straightedge FIGURE A12: REDUCER DRIVE When sheaves are properly aligned, all points A, B, C, D will touch string or straightedge. TSM 1600 | Issue A | Page 14 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 15 Keep Long Horizontal “Springing” or “drawing” the piping up to the pump will Line Below Liquid Level TSM 1600 | Issue A | Page 15 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 16 Liquid is too viscous to flow through the piping. 11. Do not use the Viking pump to flush, pressure test or c. Lift is too high. prove the system with water. Either remove the pump or d.
Page 17 See Rapid Wear Table. 4. Pump is worn out. TSM 1600 | Issue A | Page 17 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 19 Operation under either of these conditions may result in a heat build-up in the pump, which could cause hazardous conditions or happenings. TSM 1600 | Issue A | Page 19 of 20 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
Page 20 Viking’s website (www.vikingpump.com/warranty/warranty-info). A complete copy of the warranty may also be obtained by contacting Viking through regular mail at Viking Pump, Inc., 406 State Street, Cedar Falls, Iowa 50613, USA. THIS WARRANTY IS AND SHALL BE VIKING’S SOLE...

This manual is also suitable for:

4126a series 226a series 4226a series H126a H4126aH226a ... Show all