TAILIEUCHUNG - Motorcycle Mechanics 2009 Part 3

Tham khảo tài liệu 'motorcycle mechanics 2009 part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Unit 3 Tools Fig. 3-10 Typical chain wrenches Chain Wrench. This wrench Fig. 3-10 is used to turn large or irregular shapes as the chain will grip over a large surface area. Socket Set. The socket set one of the mechanic s most useful tool sets consists of 6- and 12-point standard sockets deep well sockets a ratchet extensions from 1 1 2 to 12 inches and many other available drive and link parts Fig. 3-11 . The sockets fit into limited places hold the fasteners firmly and can be turned rapidly in either direction. Drive ends are available as screwdrivers and Allen wrenches. Socket sets come in 1 4- 3 8- and 1 2-inch drives referring to the size of the square tang inserted to turn the socket. Larger drives are available for heavy machinery. A good starting set for a motorcycle mechanic would be a 3 8-inch drive set with both fractional inch and metric sockets from 1 4 to 7 8 inch and 8 to 22 mm in standard length with some deep wells. Impact Driver. A 3 8-inch impact driver set Fig. 3-12 with special sockets and screwdrivers can deliver a power rotary motion when struck with a hammer. The impact driver can help a mechanic break loose frozen nuts bolts or screws that resist turning with hand wrenches or screwdrivers. The impact driver is a must for motorcycle maintenance. Fig. 3-11 Varieties of socket sets include a a standard socket set with 6-pt. 12-pt. sockets b 6- and 12-pt. deep well socket set c a complete metric socket set showing ratchet handles and extensions and d close-up view of metric ferret sockets. 36 Unit 3 Tools Fig. 3-12 Inpact driver set showing a complete kit with handle and various driver tips and b close-up of the handle Adjustable End Wrench. These wrenches Fig. 3-13 are handy when no other wrench is available to fit a nut or bolt. They are made in 4-to 24-inch lengths with jaw openings ranging to 2 1 2 inches. Hammers. As a motorcycle mechanic you will find occasion to use a variety of hammers Fig. 3-14 . The ball-peen hammer is the general .

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