Guide to Overhung Pumps provides an overview of overhung horizontal pumps, covering types and construction, disassembly and assembly procedures, and typical maintenance. This course reviews generic failure modes and presents upgrades and solutions to counteract these modes and improve performance, ensuring optimal pump reliability and longevity.

Learning Outcomes:

• Understand the basic design of an overhung horizontal pump and its variations
• Apply best practices for assembly and disassembly
• Understand root causes of degradation for this pump configuration
• Identify targeted upgrades to improve reliability and performance

Who Should Attend?

Engineers
Maintenance Professionals
Operations Professionals
Managers

Knowledge Level:

Introductory

Completion Certificate:

8 PDH

Chapter Summaries:

CHAPTER 1: INTRODUCTION TO OVERHUNG PUMPS

This chapter introduces overhung pumps, emphasizing their various types and classifications. Applications across industries are highlighted, with examples including horizontal back pullout foot-mounted pumps, centerline mounted, vertical inline flexibly coupled, rigidly coupled, and close-coupled variants.

CHAPTER 2: TROUBLESHOOTING AND FAILURE MODES

Focusing on troubleshooting and identifying failure modes for overhung pumps, this chapter divides the discussion into installation issues and operational challenges. Topics include base plate mounting, vibration isolation, plumbing, coupling, and joint considerations.

CHAPTER 3: PUMP MAINTENANCE PRACTICES

This chapter delves into the practical aspects of pump maintenance, starting with a review of the job site and current conditions. It covers service shop requirements and details disassembly and inspection procedures.

CHAPTER 4: CREATING A REPAIR PLAN

Outlining steps for creating a repair plan, this chapter includes an engineering review to identify acceptable replacement methods, suitable parts, and repair procedures. It also explores tolerances and expected deformation in heavily loaded components, along with repair acceptance criteria.

CHAPTER 5: REPAIR TECHNIQUES FOR MAJOR COMPONENTS

Specializing in major components, this chapter covers detailed repair techniques, including casing or volute repair, seal chamber or cover maintenance, and addressing specific signs during inspection.

CHAPTER 6: ASSEMBLY PROCESS AND UPGRADES

Discussing the assembly process, inspection checks, and testing requirements, this chapter also touches upon upgrade projects related to overhung pump repairs. The IMPEL serves as a guideline for assembly and part inspection, with a mention of thrust bearing mounting.

CHAPTER 7: INSTALLATION PREPARATION AND GUIDELINES

Concluding the discussion on overhung pumps, this chapter emphasizes meticulous preparation to prevent errors during installation. It outlines installation guidelines and introduces the Interactive Maintenance Platform for Electronic Learning (IMPEL).

This is an on-demand pay-per-view course (one-time access to each course segment for a period of 30 days from first login.)
Duration: 10-14 Hours
Instructor: Brad Hutchinson