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KSB GIW MDX - User Manual

KSB GIW MDX
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Installation/Operating Manual
2017.01
MDX [en-US]
Pump Ty
pe:
Pump Serial Number:
Date:
Purchaser:
Purchaser’s Order Num
ber:
GIW / KSB
W
ork Order Number:
Shipped To:
Include the pump’s serial number when
ordering replacement parts
This is a standard maintenance manual provided for your convenience
This manual may include additional documentation not applicable to your specific pump
GIW INDUSTRIES, INC.
5000 Wrightsboro Road
Grovetown, GA 30813 USA
+1 (888) 832-4449
FAX +1 (706) 855-5151
www.giwindustries.com
KSB AG
Johann-Klein-Str. 9
D-67227 Frankenthal, Germany
+49 6233 86-0 .
FAX +49 6233 86-3289
www.ksb.com

Table of Contents

Questions and Answers

  • A
    Alexander DuranAug 4, 2025
    What to do if KSB GIW MDX pump delivers insufficient flow rate because of worn parts?
    • Q
      qhallAug 4, 2025
      If the KSB Industrial Equipment pump's flow rate is insufficient due to worn parts, loose bolts, seals, or gaskets, you should inspect the pump for worn parts and replace them as necessary. Also, tighten any loose bolts or replace seals and gaskets if needed.
  • E
    Elizabeth ThomasAug 10, 2025
    Why KSB GIW MDX Industrial Equipment pump delivers insufficient flow rate when fluid is too dense?
    • R
      ryanwilliamsAug 10, 2025
      If your KSB Industrial Equipment pump isn't delivering enough flow because the fluid's density or viscosity is higher than expected, the system design and/or pump operating conditions may need adjustment.
  • B
    benderbenjaminAug 16, 2025
    What to do if KSB GIW MDX Industrial Equipment pump delivers insufficient flow rate because the unit is misaligned?
    • W
      wcontrerasAug 16, 2025
      If the KSB Industrial Equipment unit is misaligned, check the coupling and re-align if required.
  • B
    Bradley HerreraAug 22, 2025
    How to fix insufficient suction head in KSB GIW MDX pump?
    • S
      Shawn FloresAug 22, 2025
      If the KSB Industrial Equipment pump delivers insufficient flow rate because the suction head (NPSH available) is insufficient, check the sump level and raise it if necessary. Fully open any valves in the suction line. Check suction line friction loss calculations and alter the design if necessary. Contact your GIW / KSB representative for further advice.
  • M
    Michelle SpearsAug 28, 2025
    What to do if KSB GIW MDX pump delivers insufficient flow rate due to bearing failure?
    • J
      Jeffrey HernandezAug 28, 2025
      If your KSB Industrial Equipment pump has bearing failure, replace the bearings. Check the lubricant for contamination and inspect and repair bearing seals as needed. Contact a GIW service center for factory rebuild services.

Summary

Safety

Safety Markings

Defines safety symbols and markings used in the manual for hazard communication.

Personnel Qualification and Training

Specifies requirements for personnel involved in installation, operation, and maintenance.

Non-compliance with Safety Instructions

Details consequences of not following safety instructions, including hazards and liability.

Safety Awareness

Emphasizes the importance of complying with manual, national, and local safety regulations.

Safety Instructions for Operators

Provides specific safety guidelines for personnel operating the pump unit.

Safety Instructions for Maintenance, Inspection & Installation

Outlines safety protocols for maintenance, inspection, and installation activities.

Unauthorized Modification and Spare Parts

Warns against unauthorized modifications and stresses the use of original spare parts.

Unauthorized Modes of Operation

States that warranty is valid only if the machine is operated as designated.

Assembly and Disassembly Safety

Provides critical safety warnings and procedures for pump assembly and disassembly.

Installation at Site

Site Installation Safety Regulations

Details safety regulations for electrical equipment in hazardous locations.

Pump and Drive Train Alignment

Details alignment procedures, tolerances, and checks for coupling and V-belt drives.

Commissioning and Operation

Commissioning and Return to Service

Lists essential checks and procedures before starting up the pump.

Bearing Lubrication Procedures

Details bearing lubrication requirements, oil types, and capacities.

Shaft Seal Commissioning

Provides safety checks and operational requirements for mechanical and stuffing box seals.

Checking Direction of Rotation

Explains how to verify the correct rotation direction to prevent impeller damage.

Pump Start-up Procedures

Provides critical warnings and procedures to prevent damage during start-up.

Priming the Pump

Instructs on venting and priming the pump and suction line before start-up.

Pump Shutdown Procedures

Details safe shutdown procedures to prevent system damage and impeller unscrewing.

Operating Limits and Warnings

Warns to observe limits for speed, flow, head, density, etc., to prevent damage.

Maintenance

Supervision of Operation

Highlights importance of avoiding water hammer and prolonged operation against closed shut-off.

Lubrication and Lubricant Change

Covers lubrication intervals, oil types, and capacities for bearing assemblies.

Mechanical End

Mechanical End Overview

Describes conventional and limited end float bearing assemblies.

Mechanical End Disassembly Procedures

Details steps for draining oil, removing covers, and disassembling bearing assemblies.

Mechanical End Assembly

Provides safety warnings and general cleaning instructions before assembly.

Mounting the Bearings

Details procedures for mounting radial and thrust bearings, including clearance measurements.

Shaft Seal

Wet End

Wet End Disassembly Procedures

Provides safety warnings and instructions for impeller and suction liner removal.

Wet End Assembly

Provides safety warnings before starting the wet end assembly process.

Setting the Nose Gap

Provides cautions and procedures for setting the nose gap for pump performance.

Troubleshooting Guide

Troubleshooting: Blocked Piping

Identifies blocked piping as a cause for low flow and recommends removing blockages.

Troubleshooting: Insufficient NPSH

Covers insufficient NPSH, recommending checking sump level and suction line.

Troubleshooting: Misalignment

Identifies misalignment and recommends checking coupling and re-aligning.

Troubleshooting: Bearing Failure

Suggests replacing bearings, checking lubricant, and inspecting seals.

KSB GIW MDX Specifications

General IconGeneral
BrandKSB
ModelGIW MDX
CategoryIndustrial Equipment
LanguageEnglish

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