Table of Contents
Advertisement
Quick Links
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
General Installation Notes ..........................................................3
Pump Installation........................................................................3
Preventative Maintenance .........................................................4
Lubrication ..............................................................................4
End Clearance Adjustment ....................................................4
Cleaning the Pump .................................................................4
Storage ...................................................................................4
Suggested Repair Tools .........................................................5
Maintenance ...............................................................................5
Safe Practices ............................................................................5
Venting the Pump .......................................................................5
Pump Disassembly ....................................................................7
Pump Assembly .........................................................................9
Thrust Bearing Adjustment ......................................................10
Installation: Carbon Graphite Bushings ...................................10
Pressure Relief Valve Instructions ........................................... 11
Disassembly ......................................................................... 11
Assembly .............................................................................. 11
Pressure Adjustment ............................................................12
Important Ordering Information ............................................12
Troubleshooting .......................................................................13
Ammonia ..................................................................................14
......................................................16
General Installation Notes ........................................................16
Foundation ...............................................................................17
Component & Unit Lifting Features .........................................17
Alignment .................................................................................19
Piping .......................................................................................19
Start Up ....................................................................................20
Troubleshooting .......................................................................21
Vacuum Gauge - Suction Port .............................................21
Pressure Gauge - Discharge Port ........................................21
Rapid Wear .............................................................................22
Preventative Maintenance .......................................................23
Do's & Don'ts ...........................................................................23
Installation ............................................................................23
Operation ..............................................................................23
Maintenance .........................................................................24
LIQUID-SPECIFIC PRODUCT LINE:
REFRIGERATION AMMONIA
4924A SERIES™
SIZES: HL, K, KK, LQ, LL
MODEL NUMBER CHART
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.
© 2019 Viking Pump, Inc. • Cedar Falls, IA
TSM
Page
Issue
MECHANICAL SEAL
HL4924A
K4924A
KK4924A
LQ4924A
LL4924A
representative.
®
FIGURE 1: HL SIZE
1467
1 of 24
A
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Viking pump 4924A Series
Summary of Contents for Viking pump 4924A Series
-
Page 1: Table Of Contents
Start Up ..................20 Troubleshooting ...............21 Vacuum Gauge - Suction Port ..........21 Pressure Gauge - Discharge Port ........21 Rapid Wear ................22 Preventative Maintenance ............23 Do’s & Don’ts ................23 Installation ................23 Operation ................23 Maintenance .................24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 2: Safety Information & Instructions
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: General Installation Notes
Values for pipe friction losses for calculating suction line pressure drop can be found in refrigeration hand books. TSM 1467 | Issue A | Page 3 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 4: Preventative Maintenance
Neoprene seal and has a maximum 30 weight oil must be applied to all internal pump parts. viscosity of 15,000 SSU at operating temperature. TSM 1467 | Issue A | Page 4 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 5: Suggested Repair Tools
Exposure to high concentrations of ammonia may blind, burn, strangle, or kill. TSM 1467 | Issue A | Page 5 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... - Page 6 (drain), ③ in "Figure 6" on page 6 towards the bottom of he bracket. This pipe plug is found only on the K, KK, LQ and LL size 4924A Series™ pumps. The small HL4924A does not have a pipe plug.
-
Page 7: Pump Disassembly
5. Loosen two setscrews in the face of the bearing housing and remove the bearing housing assembly from the Bracket. See "Figure 9" on page 8. TSM 1467 | Issue A | Page 7 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... - Page 8 Outer Seal Seat & Gasket Inner Rotary Member Seal Gland Seal Seat Pin Inner Seal Seat & Gasket Seal Seat Pin TSM 1467 | Issue A | Page 8 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
-
Page 9: Pump Assembly
NOTE: Coat rotor shaft, tapered installation Shaft sleeve and inner diameter of mechanical seal with P-80 or equivalent before assembly. ® TSM 1467 | Issue A | Page 9 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 10: Thrust Bearing Adjustment
3. Do not stop pressing operation until bushing is in proper position. Starting and stopping will result in a cracked bushing. 4. Check bushing for cracks after installation. TSM 1467 | Issue A | Page 10 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 11: Pressure Relief Valve Instructions
Spring Guide Cap Gasket Failure to properly mount guards may result in serious Bonnet Bonnet Gasket injury or death. Valve Body TSM 1467 | Issue A | Page 11 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 12: Pressure Adjustment
When ordering springs, be sure to give pressure setting desired. TSM 1467 | Issue A | Page 12 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 13: Troubleshooting
TROUBLESHOOTING 5. Rapid wear a. Dirt in the system - install suction line strainer A Viking pump that is properly installed and maintained will temporarily until system is clean. give long satisfactory performance. b. Cavitation (liquid vaporizing on suction side of pump) If trouble does develop, one of the first steps toward finding - increase head of liquid on pump;... -
Page 14: Ammonia
It is through the evaporator that heat is picked up by the ammonia. The temperature in the evaporator area will be “pulled down” TSM 1467 | Issue A | Page 14 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... - Page 15 Pressure Relief (86°F, 154 PSIG) Pump Isolation 4' Minimum Recommended Valves Liquid Level Evaporator Viking Liquid Overfeed Pump With Back-To-Tank Relief Valve TSM 1467 | Issue A | Page 15 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
-
Page 16: Appendix (Formerly Tsm 000)
Suction FIGURE A1 Relief Valve Adjusting Screw Cap (Should Always Point Toward Suction Port) FIGURE A2 Left-Hand Right-Hand Pump Pump TSM 1467 | Issue A | Page 16 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 17: Foundation
(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 1467 | Issue A | Page 17 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... - Page 18 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 1467 | Issue A | Page 18 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA...
-
Page 19: Alignment
11. When fastening the piping to the pump it should not be necessary to impose any strain on the pump casing. “Springing” or “drawing” the piping up to the pump will TSM 1467 | Issue A | Page 19 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 20: Start Up
Packing should weep a little to keep it cool and lubricated. 11. Do not use the Viking pump to flush, pressure test or prove the system with water. Either remove the pump or Obstruction Obstruction run piping around it while flushing or testing. -
Page 21: Troubleshooting
TROUBLESHOOTING h. Relief valve is set too high. 2. Low reading would indicate: A Viking pump that is properly installed and maintained will a. Relief valve is set too low. give long and satisfactory performance. b. Relief valve poppet is not seating properly. -
Page 22: Rapid Wear
See Rapid Wear Table. TSM 1467 | Issue A | Page 22 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 23: Preventative Maintenance
Operation under either of these the pump. conditions may result in a heat build-up in the pump, which could cause hazardous conditions or happenings. TSM 1467 | Issue A | Page 23 of 24 © 2019 Viking Pump, Inc. • Cedar Falls, IA... -
Page 24: Maintenance
6. DO have spare parts, pumps or standby units available, Viking through regular mail at Viking Pump, Inc., 406 State particularly if the pump is an essential part of a key Street, Cedar Falls, Iowa 50613, USA.
Need help?
Do you have a question about the 4924A Series and is the answer not in the manual?
Questions and answers