Tubing and Hose System Maintenance

Table of Contents

Chapter 1: Tubing Fundamentals

Topics: Tubing specifications and materials; Fittings; Handling, cutting, bending, sawing, filing, and deburring tubing; Calculating tubing length

Learning Objectives:

• Compare and contrast tubing and pipe.
• List factors to be considered when selecting tubing for a specific application.
• State a common application of various tubing materials.
• Describe various fittings and tell how to select the proper fitting for a given tube.
• Tell why is it sometimes necessary to anneal tubing.
• List the steps to follow when cutting, sawing, and deburring tubing.
• Explain how to calculate tubing length accurately.
• List the steps involved in bending a given length of tubing.

Chapter 2: Installing Tubing

Topics: Determining size; Soldered, brazed, flared, and flareless fittings; Flaring tubing; Installing compression fittings; Supports; Maintenance

Learning Objectives:

• Define the service conditions that must be taken into account when selecting tubing.
• List the properties and typical uses of various types of fittings.
• Explain the procedures involved in soldering and brazing.
• Name several types of flaring tools and explain how they are used.
• Explain how to install flared and flareless fittings.
• Tell how and why tubing systems should be well supported.
• List common causes of tubing system problems and their solutions.

Chapter 3: Hydraulic Tubing Systems

Topics: Hydraulic line components; Control devices; Selecting tubing and fittings; Installing, maintaining, and troubleshooting hydraulic tubing systems

Learning Objectives:

• Explain the principles of force, pressure, and area as applied to hydraulics.
• Discuss hydraulic fluids, hydraulic circuits, and hydraulic line components.
• Explain how to select the proper tubing and fittings for hydraulic systems.
• Describe maintenance and troubleshooting procedures for hydraulic tubing systems.

Chapter 4: Hose Systems

Topics: Hose construction and fitting; Measuring assembly length; Calculating hose length for bends; Installation; Testing; Inspection; Maintenance

Learning Objectives:

• Discuss the three most common applications for hoses in industry.
• Describe hose fitting classifications and installation techniques.
• Explain how to calculate hose lengths for bends.
• Describe the methods of testing, inspection, and maintaining hose.

Chapter 5: Gaskets, Sealants, and Adhesives

Topics: Gasket materials; Critical dimensions; Making and installing a gasket; Preparing contact surfaces; Coatings and sealants; Gasket replacement

Learning Objectives:

• Identify the types and uses of gasket materials.
• Name the critical dimensions of a flanged pipe joint gasket.
• List and explain the three characteristics of contact surfaces that must be considered prior to the installation of a gasket.
• Explain the uses of gasket coatings, tapes, and strips.
• Describe the application of sealants and adhesives in gasket joints.

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