UL 62841-4-1-2020 pdf download.Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery – Safety – Part 4-1: Particular Requirements For Chain Saws.
8.14.1.101 Safety instructions for chain saws 1) General chain saw safety warnings: a) Keep all parts of the body away from the saw chain when the chain saw is operating. Before you start the chain saw, make sure the saw chain is not contacting anything. A moment of inattention while operating chain saws may cause entanglement of your clothing or bodywith the sawchain. b) Always hold the chain saw with your right hand on the rear handle and your left hand on the front handle. Holding the chain saw with a reversed hand configuration increases the risk of personal injuryand should neverbe done. c) Hold the chain saw by insulated gripping surfaces only, because the saw chain may contact hidden wiring or its own cord. Saw chains contacting a “live” wire may make exposed metal parts ofthe chain saw “live”and could give the operatoran electric shock. d) Wear eye protection. Further protective equipment for hearing, head, hands, legs and feet is recommended. Adequate protective equipment will reduce personal injury from flying debris or accidental contact with the sawchain. e) Do not operate a chain saw in a tree, on a ladder, from a rooftop, or any unstable support. Operation ofa chain saw in this mannercould result in serious personal injury. f) Always keep proper footing and operate the chain saw only when standing on fixed, secure and level surface. Slippery orunstable surfaces may cause a loss ofbalance orcontrol of the chain saw. g) When cutting a limb that is under tension, be alert for spring back. When the tension in the wood fibres is released, the spring loaded limb may strike the operator and/or throw the chain saw out ofcontrol.
h) Use extreme caution when cutting brush and saplings. The slender material may catch the saw chain and be whipped toward you orpull you offbalance. i) Carry the chain saw by the front handle with the chain saw switched off and away from your body. When transporting or storing the chain saw, always fit the guide bar cover. Proper handling of the chain saw will reduce the likelihood of accidental contact with the moving saw chain. j) Follow instructions for lubricating, chain tensioning and changing the bar and chain. Improperlytensioned orlubricated chain mayeitherbreakorincrease the chance forkickback. k) Cut wood only. Do not use chain saw for purposes not intended. For example: do not use chain saw for cutting metal, plastic, masonry or non-wood building materials. Use of the chain sawforoperations different than intended could result in a hazardous situation. l) Do not attempt to fell a tree until you have an understanding of the risks and how to avoid them. Serious injurycould occurto the operatororbystanders while felling a tree. NOTE The above warning is omitted for chain saws that are not suitable for tree felling as specified by the manufacturer. See 8.14.2 b) 104).
14 Moisture resistance This clause of Part 1 is applicable, except as follows: Addition: NOTE 101 Saw chain lubrication tanks and lubrication systems intended for use with oil as specified in 8.14.2 are not considered to be liquid systems. 14.2.1 Replacement: The machine is not connected to the supply. The machine is placed in its normal rest position on a perforated turntable. The turntable is then turned continuouslyat approximately1 rev/min during the test. Electrical components, covers and other detachable parts are removed and subjected, if necessary, to the relevant treatment with the main part. Movable covers that are non-detachable parts and are not self- restoring are placed in the most unfavourable position. NOTE Examples of self-restoring covers include those that are spring loaded or close by gravity. 14.3 This subclause of Part 1 is not applicable for saw chain lubrication tanks and lubrication systems intended for use with oil as specified in 8.14.2. 15 Resistance to rusting This clause of Part 1 is applicable. 16 Overload protection of transformers and associated circuits This clause of Part 1 is applicable.UL 62841-4-1-2020 pdf download.
UL 62841-4-1-2020 pdf download
