GB 17668-2010Electrical chain saws -- Safety code for practice (English PDF)

3.1 Basic requirements

3.1.1 The operator shall be consistent with the provisions of GB 3883.1 and GB 3883.14 electric chain saw.

3.1.2 The operator prior to use electric chain saws should read the instructions carefully.

3.1.3 The operator should be familiar with electric chain saws performance and methods of operation, and according to user's manual for the correct operation and maintenance.

3.1.4 In addition to cutting trees, electric chain saws should not be used for other purposes, such as cutting plastic, masonry or non-wood building materials.

3.1.5 The following shall be prohibited personnel to operate the electric chain saw.

a) minors and the elderly;

b) infirm sick person;

c) influence of alcohol or taking stimulants, narcotics officers after.

3.1.6 Under the following conditions should not start electric chain saw.

a) when approached;

b) low-light;

c) rain, wind and open space more than five when there is thunder and lightning;

d) no chain scission and bounce protection device protection device, or the device is damaged;

e) explosive atmospheres, flammable liquids, gases or dust.

3.2 Preparation

3.2.1 job should always wear safety equipment, such as goggles, dust mask, non-slip safety shoes, hard hat and hearing protection devices.

3.2.2 job should wear hypertrophy, open clothes and shorts should not be worn decorations, such as neckties, bracelets, chains and the like.

The wear and tension of the saw chain 3.2.3 carefully check the chain saw, guides and sprocket assembly, adjustment and replacement if necessary.

3.2.4 The job should be checked before switching electric chain saw is intact, the power cable is securely connected cable insulation is worn.

3.2.5 for outdoor use electric chain saw, use an extension cord suitable for outdoor use.

3.2.6 job should be thoroughly checked before the job site and remove stones, metal objects, branches and other discards.

3.2.7 electric chain saws should plug and socket match, should not in any way modify the plug. Need grounding electric chain saws should not use any conversion plug.

3.2.8 If the connection is provided with a dust extraction and collection devices using a device, it should ensure that they are properly connected and properly used.

3.3 Job

3.3.1 before turning on power to determine the electric chain saw switch is in the off position to prevent accidental activation.

3.3.2 power, remove any adjusting key or wrench (if available).

3.3.3 before starting electric chain saw, make sure the chainsaw chain is not contact with other objects.

3.3.4 start or operation, the hands and feet should be close to the rotating parts, especially on the bottom of the chain.

Always hold the electric chain saw with the right hand when the job is 3.3.5 handle, left hand holding the electric chain saw front handle.

NOTE. The chain saw guide plate design in the left side, a "right" and "left" position should be the opposite.

3.3.6 job can not be stretched too long hand, should shoulder more jobs.

3.3.7 handle the job process should be kept dry, clean and away from oil and grease to prevent the handle slipping out of control caused.

3.3.8 feet when the job should stand, should stand firm, flat ground operation on security and electric chain saws, the tree should not stand in the operating electric chain saws.

3.3.9 When carrying off the electric chain saw, before the application of the handle and the electric chain saw away from the body of the operator.

3.3.10 line should not be overloaded with work, nor should access the high-capacity fuse.

3.3.11 sawing branches under tension should maintain a solid grip, and in order to guard against a rebound to prevent the limb may strike the operator and (Or) make the chain saw out of control.

When cutting thin strips 3.3.12 shrubs with special care to prevent the thin strips may be clamped chainsaw chain and hit the operator and (or) the operator lost balance.

3.3.13 The following conditions should be immediately cut off the power supply.

A) After the chain saw hit other objects, you need to check before restarting when the damage;

b) abnormal sound or vibration when jobs need to check and troubleshooting purposes;

c) the operator leaving the electric chain saw when;

d) found leakage;

End e) job.

3.4 Maintenance and storage

3.4.1 After a day job, you should check the saw chain, guide and sprocket wear, and tighten all nuts, bolts, screws, if necessary, adjust and replacement.

3.4.2 Check the power plug and cable insulation abrasion damage is found should be repaired or replaced.

3.4.3 shall comply with the manufacturer on a chainsaw chain blade maintenance instructions.

3.4.4 electric chain saws should be stored in a dry and away from children, heat, oil, sharp edges or moving parts of the environment.

3.4.5 should clean up before long-term storage of residual wood chips and dirt, remove the saw chain and the guide plate and coated with anti-rust oil, the motor should be protected from dust.

4.1 Basic requirements

4.1.1 Operation lumberyard bucking electric chain saws shall comply with the requirements of 3.1.1 ~ 3.1.5.

4.1.2 In addition to meeting the provisions of 3.1.6, the following situations should not start the electric chain saw.

a) support staff evacuated before bucking secure areas;

b) the original work area bar stacked instability.

4.2 Ready

Electric chain saw ready lumberyard bucking in addition to satisfying the provisions of 3.2, the job should be selected before the safe evacuation and safety zones.

4.3 Job

4.3.1 shall meet the requirements of the job 3.3.1 - 3.3.10 of.

4.3.2 prohibit operation when the distance from the conveyor primitive streak is processed is less than 1.5m.

4.3.3 bucking preceded electric chain saws start idling 1min, inspection and lubrication system is functioning properly.

4.3.4 blown fuse or switch trips, should be checked immediately.

4.3.5 Job feet shall stand, or should stand below the original article and the timber may scroll bar or the original timber.

4.3.6 Exclude folder when sawing failure, should pay special attention to security support staff.

4.3.7 During the operation, the lubrication and cooling should always sawn timber body.

4.3.8 When the primitive streak is about to saw off the wood should pay attention to the movements quickly lift electric chain saw after sawing.

4.3.9 Transfer job switch off before the electric chain saw.

4.3.10 In addition to meeting the provisions of 3.3.13, the following conditions should be immediately cut off the power.

a) found close to the original article or timber movement;

b) when the clip bucking saw.

4.4 Maintenance and Storage

Lumberyard bucking electric chain saw maintenance and storage conducted in accordance with 3.4.