BS ISO 6531:2017 pdf free

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BS ISO 6531:2017 pdf free.Machinery for forestry一 Portable chain-saws一 Vocabulary.
BS ISO 6531 1 Scope  This document defines terms relating to the mechanical aspects of portable chain-saws, saw-chain and guide bars. The chain-saw positions are shown in Annex A.
2 Normative references There are no normative references in this document.3 Terms and definitions For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses: 一IEC Electropedia: available at
一ISO Online browsing platform: available at 3.4.1 chain brake device for stopping or locking the saw-chain (3.3.1), activated manually or non -manually when kickback (3.1.6) occurs manually activated chain brake brake which is intended to be actuated by the hand of the operator non-manually activated chain brake brake which is actuated irrespective of operator intervention when a kickback (3.1.6) occurs 3.4.2 chain brake lever device, usually the front hand-guard used to activate the chain brake (3.4.1)
front hand-guard structural barrier between the front handle (3.7.1) of the chain-saw (3.2.1) and the saw-chain (3.3.1) for protecting the hand from injury if the hand slips off the handle, and may also be the device used to activate the chain brake (3.4.1) 3.4.3 bar tip guard shield that prevents contact with the saw-chain (3.3.1) at the tip of the guide bar (3.3.5), which may be
removable and replaceable, for reducing the incidence of rotational kickback (3.1.6)3.4.6  rear hand-guard structural barrier at the bottom right side of the rear handle (3.7.2) of the chain-saw (3.2.1) for protecting the hand from the saw-chain (3.3.1) if the saw-chain breaks or comes off the guide bar (3.3.5) 3.4.7 stop switch device which initiates the stopping of the power source 3.4.8  throttle trigger lockout device that prevents operation of the throttle trigger (3.5.8) without intentional manual intervention 3.4.9 guide bar cover device covering the saw-chain (3.3.1) on the guide bar (3.3.5) during transportation or storage of the machine 3.5 Control system 3.5.1 chain tension adjuster device, often acting on the guide bar (3.3.5), for adjusting the saw-chain tension 3.5.2 choke device for enriching the fuel/air mixture in the carburettor to aid startingBS ISO 6531 pdf download.

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