Page 94 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)
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The City & Guilds Textbook: Plumbing Book 1

                                            Pliers

                                            Pliers are two-handled, two-jawed hand tools used mainly for gripping, twisting
                                            and turning. The jaws meet at the tip, which means they can grip with precision.
                                            Some types are also made for cutting cable and wire. Some of the main types of
                                            pliers used by plumbers are described in Table 2.7.
                                              Table 2.7 Types of pliers used for plumbing

                                             General-purpose pliers
                                             A useful addition to the toolbox, these
                                             general-purpose pliers are used to grip and
                                             tighten small nuts and bolts.
                                             They can also be used to cut thin wire and
                                             electrical flex.
                                             Long nose pliers
                                             Long nose (or needle nose) pliers are
                                             useful both for gripping small items and for
                                             reaching into small, deep spaces.
                                             They are used to tighten small nuts and
                                             bend wire. They often include a wire cutter.
                                             Circlip pliers
                                             Circlip pliers have a specific use for removing
                                             the circlips from tap spindles and shower
                                             valves.
                                             Mainly used in maintenance and repair
                                             operations.

                                             Wire cutters
                                             Used for cutting electrical cables and flex.
                                             These are a useful addition to a plumber’s
                                             toolbox.



                KEY TERMS                   Spirit levels

                Level: when pipework is     Spirit levels are used to ensure that appliances and pipework are installed level
                perfectly horizontal.       and plumb. They use a bubble positioned between two markers. Electronic and
                Plumb: when pipework is     laser spirit levels are also available. The most common ones used by plumbers
                perfectly vertical.         are described in Table 2.8.

                                              Table 2.8 Types of spirit level used for plumbing
                                             Torpedo level
                                             A small, 300 mm level with a magnetic strip
                                             on the bottom, which makes it easier to level
                                             appliances such as boilers.


                                             Spirit level
                                             Two sizes, 600 mm and 1200 mm, are
                                             advisable for levelling large appliances such
                                             as baths and wash hand basins.






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        9781510416482.indb   82                                                                                     29/03/19   8:51 PM
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