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Instructions for labor protection when working with pneumatic tools

Occupational Safety and Health / Standard instructions for labor protection

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Safe Operation

Introduction

The instruction is intended for personnel using pneumatic tools during work.

When working with pneumatic tools, harmful and dangerous production factors may occur, including:

• increased noise and vibration levels;
• moving parts of equipment, moving products, blanks, materials;
• flying particles and fragments of metal and abrasive material;
• increased dust content with metal and abrasive dust;
• sharp edges, burrs, roughness on the surfaces of workpieces, waste;
• insufficient illumination of the working area.

1. General requirements for labor protection

1.1. Trained personnel, at least 18 years old, who have undergone a medical examination and are recognized as fit to perform work in specific conditions, introductory briefing on labor protection and primary briefing at the workplace, familiarized with special instructions for working with the tool, with the rules, are allowed to independently work with pneumatic tools. fire safety, who has learned safe working methods, who knows and is able to apply first aid methods in case of accidents.

1.2. Personnel working with pneumatic tools must:

1.2.1. Perform only the work that is entrusted to him by his immediate supervisor: the head of the workshop (section), foreman, etc.

1.2.2. To have and use as intended a cotton suit or semi-overalls, goggles, yuft boots, anti-noise headphones, special soft gloves, and a headgear.

1.3. If the floor (work area) is slippery (doused with oil, emulsion), demand that it be sprinkled with sawdust, or do it yourself.

1.4. All pneumatic tools must have inventory numbers and are recorded in a special journal, in which periodic inspections are noted.

1.5. Pneumatic tools of small mass with the number of blows per minute of 4000 or more can be used only in special cases and in agreement with the local sanitary authorities.

1.6. During work it is forbidden:

• stand and pass under a lifted load;
• pass in places not intended for the passage of people;
• enter without permission behind the fences of process equipment and hazardous areas;
• remove and move the fences of hazardous areas;
• wash hands in emulsion, oil, kerosene and wipe them with wiping ends contaminated with shavings;
• connect flexible air ducts (hoses) with homemade clamps and wire;
• disconnect hoses while supplying air.

1.7. Report any accident immediately to the immediate supervisor, and in case of injury, immediately contact the medical center.

1.8. Personnel performing work using pneumatic tools must comply with the safety requirements set forth in this manual and in the operating instructions for pneumatic tools.

In case of failure to comply with the provisions of this instruction, employees may be subject to disciplinary, administrative, material liability in accordance with the legislation of the Russian Federation, depending on the severity of the consequences.

2. Labor protection requirements before starting work

2.1. Put in order working special clothing and footwear: fasten the cuffs of the sleeves, tuck in the clothes and fasten them with all buttons, put on a hat and anti-vibration gloves, prepare goggles.

2.2. Inspect the workplace, remove everything that may interfere with the performance of work or create additional danger.

2.3. Check the illumination of the workplace (the illumination should be sufficient, but the light should not blind the eyes).

2.4. In case of insufficiency of general lighting, it is necessary to use portable inventory lamps with a voltage of 12 V for local lighting with a handle made of dielectric material, a protective grid and a plug, the design of which excludes the possibility of plugging it into a socket with a voltage of more than 12 V.

2.5. The pneumatic tool is subjected to external inspection and testing at idle.

2.6. During external inspection, check and make sure that:

• pneumatic tool lubricated;
• there are no cracks or other damage on the case;
• plug-in tools (drills, screwdrivers, keys, countersinks, etc.) are correctly sharpened, do not have cracks, gouges, burrs and other defects;
• the abrasive wheel on the grinding machine is securely protected by a protective cover;
• the pneumochisel-hammer has a device that excludes the tool's reverse flight;
• pneumatic tool hoses are in good condition.

2.7. At idle check:

• density of connection of hoses to pneumatic tools, pipelines, interconnection (hoses must be connected using inventory special nipples, fittings and clamps);
• the clarity of the starter;
• the presence of increased noise, knocking and vibration;
• lack of spontaneous movement of the working body.

3. Labor protection requirements during work

3.1. Air tools may only be used for the work for which they are intended.

3.2. Before connecting the flexible piping to the tool, drain the condensate from the air line.

3.3. Blow out the flexible conduit with compressed air at low pressure.

3.4. When working with pneumatic tools, personnel must:

• connect flexible pipelines of pneumatic tools to compressed air pipelines only through valves installed on air distribution boxes or outlets from the main line;
• supply air only after the tool is in working position;
• make sure that there is no air leakage at the points of connection of the flexible pipeline;
• use a plug-in tool with a shank that matches the size of the barrel sleeve;
• when working with a pneumatic chisel, grinder and other similar tools, use goggles or a shield to protect the eyes and face;
• when working with heavy pneumatic tools, hang it on special hangers;
• workpieces to install steadily, according to the technological map;
• when working with a grinding wheel, make sure that it is in good condition and secure fastening;
• when working with a percussion and chopping tool, use anti-noise headphones;
• make sure that the pneumatic hoses do not intersect with transport communications: railroad tracks and roads, cables and flexible pipelines of welding equipment, cables, and also do not come into contact with hot and oily surfaces;
• install and remove the plug-in tool, as well as adjust it only after the spindle has completely stopped and disconnected from the main line;
• take measures to prevent the inlet flexible pipeline from getting under the cutting part of the tool;
• in case of interruption of the air supply or a temporary interruption in operation, close the valve of the air line and remove the plug-in tool, and on drilling machines, transfer the starting clutch to the non-working position;
• during long breaks, lay the pneumatic tool in a specially designed place;
• in the event of vibration caused by the operation of a pneumatic tool, use rubber, felt or quilted mats;
• in the event of a break in the flexible pipe, immediately turn off the compressed air supply.

3.5. When working with pneumatic tools, it is prohibited:

• connect the air hose to the pneumatic tool with the air line valve open;
• to slow down the rotating spindle by pressing on it with any object or hands;
• stand while working on the product being handled;
• process a part that is on weight or hanging from a stop;
• use body weight to create additional pressure on the tool;
• work at unenclosed or uncovered hatches and openings, as well as from portable ladders, ladders and loose stands;
• independently troubleshoot the pneumatic tool (it is necessary to hand it in for repair);
• carry it by holding the hose;
• leave unattended, subject him to blows;
• use linings in the presence of play in the sleeve;
• hold the insertion tool;
• start cleaning the uncooled welds;
• cut grooves when directing the working part of the tool towards itself;
• remove chips from the holes and from the rotating cutting tool with your hands (for this you need to use special hooks or brushes);
• work with drilling and other rotating tools in gloves;
• keep hands near the rotating tool;
• stop the compressed air supply by twisting and bending the hose;
• remove from the machine means of vibration protection, control, noise silencer;
• use bent mandrels, spindles and studs, as well as clogged washers;
• fasten the abrasive wheel without cardboard pads;
• remove protective covers from machines working with abrasive wheels with a hole;
• work with the side (end) surfaces of the circle, if it is not intended for this type of work.

4. Labor protection requirements in emergency situations

4.1. If a malfunction of the pneumatic tool or equipment is detected, immediately stop work and report this to your immediate supervisor.

4.2. In case of fire of rags, equipment or a fire, it is necessary to immediately disconnect the pneumatic tool from the power supply, report the incident to the fire brigade, managers and other employees of the enterprise and proceed to eliminate the source of fire.

4.3. In the event of an emergency or emergency situation, a danger to one’s health or the health of those around them, turn off the pneumatic tool, leave the danger zone and report the danger to the immediate supervisor.

5. Labor protection requirements at the end of work

5.1. After finishing work, you must:

• disconnect the tool from the hose and the power supply;
• wipe the hose with a dry cloth and carefully wind it into a coil;
• clean the workplace and hand it over to the master;
• hand over the pneumatic tool and hose to the pantry or put them in the place allotted for storage;
• take off overalls, hang them in a closet, wash your face and hands with warm water and soap, take a shower.

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