Duration 5 Days
Introduction
This course provides delegates with a good understanding and practical knowledge of the operation and maintenance practices applicable to general pumps and pumping systems
Who Should Attend
All persons of who will have a requirement to carry out, or to be concerned with, operation and maintenance of pumps and pumping systems
Course Objectives
The course will ensure that all delegates are able to:
- Knowledgeably describe the types of pumps and their applications
- Demonstrate a good understanding of the operational requirements for pumps and pumping systems
- Knowledgeably describe the maintenance techniques to be used in the fault diagnosis, defect repair and general maintenance of pumps
- Understand the safety requirements and practices applicable to working with pumping equipment
Course Outlines:
- Introduction:
- Pump Functions
- Pump Classifications
- Centrifugal Pump Operating Principles
- Centrifugal Pump Components Review
- Casing - Shaft
- Shaft Sleeve - Impeller
- Impeller Vanes - Impeller Wear Ring
- Suction Port - Discharge Port
- Bearings - Volute
- Packing Gland Assemblies
- Solid Packed Glands
- Internally Sealed Glands
- Packing Failure
- Cause & Corrective procedures
- Impeller Design and Types of Suction
- Open Impellers - Partially Enclosed Impellers
- Single Suction - Double Suction
- Axial Thrust - Impeller Balance
- Impeller Sizing
- Multistage Centrifugal Pumps
- Axial Split Casings - Radially Split Casings
- Axial Thrust - Hydraulic Balancing
- Mechanical Seals
- Materials of construction
- Classification of seals
- Mechanical seal selection
- Selection of the primary seal
- Selection of the seal arrangement
- Date requirement for seal selection
- Practical considerations in using mechanical seals
- Installation & operation
- Testing & verification of mechanical seals for critical duties
- Case studies
- Pump Bearings
- Bearing Functions - Forces Acting on a Shaft
- Critical Speed - Bearing Classifications
- Plain Bearings - Plain Bearing Materials
- Antifrictional Bearings - Antifrictional Bearing Materials
- Bearing Selection - Bearing Extraction and Fitting
- Monitoring of bearing temperatures
- Bearing Temperature Rise
- Automatic trip
- Bearing Failure Trending
- Vibration Measurement Monitoring and Analysis
- Definitions, Descriptions, Types
- Principles of Vibration Measurement
- Evaluation of Vibration Measurement
- Vibration transducers
- Relative Displacement Transducers
- Absolute Vibration Transducers
- Lubrication
- Lube Oil Analysis & Selection
- Monitoring and analysis of lube oil debris
- Oil deterioration
- Mechanical Seals Failure Analysis
- Failure definitions, diagnostic approach & recording
- External symptoms of seal failure
- Checks before dismantling
- Visual seal examination
- Other seal examination techniques
- Case studies on damaged mechanical seals
- Shaft Alignment:
- Definitions – why bother with precise alignment?
- Causes of misalignment – misalignment types – measuring misalignment – alignment procedures – pre-alignment steps- alignment tolerance chart – case studies / practical exercise.
- Centrifugal Pump Clinic:
- Pump removal - handling / transportation
- Disassembly - What to look for
- Repairs
- Removing shaft bushings
- Removing impeller wear rings
- Removing shaft bushings
- Removing impeller wear rings
- Installing new bushing & wear rings
- Machining & balancing
- Assembly
- Cleaning & drying of parts
- New O-rings 8 gaskets
- Bearings
- Setting the impeller
- Installing multi-stage impellers
- Alignment
- Protection before installation
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