Types and Uses - Continued

Tools And Their Uses - Hand tools and what they are used for
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TM 9-243 TYPES AND USES - Continued PORTABLE ELECTRIC DRILL The portable electric drill is basically an electric motor in a metal housing (1). The housing is fitted with a “chuck” (2) into which a bit (3) or other attachment can be inserted. The portable electric drill, although varying in size and design, usually has either a spade or pistol- grip handle (4). The portable electric drill is basically designed for drilling. However, by adding various accessories it can be adapted for different jobs. Sand- ing, sawing, buffing, and polishing are examples of pos- sible uses. PORTABLE ELECTRIC HAMMER The portable electric hammer consists of a metal housing (1) with a spade or pistol-grip handle (2). A strong spring inside the housing moves a steel piston back and forth in a pounding motion. The housing muz- zle (3) is designed to hold a variety of bits (4) which give the electric hammer great versatility. Examples of pos- sible uses for this tool are beveling, caulking, pounding, digging, and breaking operations. ELECTRIC IMPACT WRENCH The portable electric impact wrench consists of a pistol-grip handle (1) on a metal housing (2) which con- tains a motor that energizes the driving-anvil inside the muzzle of the housing. Attachments (3) are fastened to the driving-anvil by snapping them onto the socket retainer (4). The portable electric wrench with its accompanying equipment is primarily intended for ap- plying and removing nuts, bolts, and screws. It may also be used to drill and tap wood, metal, plastics, etc., and to drive and remove socket head or self-tapping screws. 52-3

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