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PrefaceThis is the fourth edition of CSA Z62.3, Chain saw kickback. It supersedes the previous editions, published in 2004, 1996, and 1990.
This Standard specifies kickback performance requirements for gasoline-powered chain saws, 80 cm3 (4.88 in3) engine displacement and smaller, Classes 1A, 1B, and 1C, and electric chain saws, Classes 2A, 2B, and 2C, intended for forestry and other wood-cutting applications, as defined in CSA Z62.1.
This Standard also specifies kickback performance requirements for replacement saw chains.
This Standard also specifies kickback marking requirements.
In CSA standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.