Job description fitter 5, 6 category

The job description of a repairman (RB and RF) establishes the basic requirements for mechanic assembly workers working on conveyors and stationary stands for collecting turbogenerators, hydrogenerators, electric machines (DC, synchronous, asynchronous) using manual, electric, pneumatic tools, pneumatic presses, hydraulic clamps, presses that use lifting equipment in their work.

The technological process of mechanical assembly

The job description of the repairman establishes the technological process of mechanical assembly, depending on the type of product and includes the following operations:

• collapsible joints;
• non-separable joints (pressing, gluing, welding, soldering);
• tests for dielectric strength, tightness, etc.

The following equipment and tools are used:

• assembly tables and stands;
• assembly conveyors;
• hydraulic presses and staples;
• pneumatic presses;
• oil baths;
• furnaces and electric induction heaters;
• electric welding equipment;
• equipment for tinning and soldering;
• grinding machines;
• test equipment;
• lifting equipment and mechanisms;
• electrified tools (electric drills, electric screwdrivers, grinders, etc.);
• pneumatic tools (pneumatic wrenches, grinders, pneumatic hammers, etc.);
• hammers, sledge hammers, files, chisels, chisels, awls, screwdrivers, chisels, cores, wrenches, machine vice, nippers, round-nose pliers, etc.

For stokers, there is a separate job description. The boiler repairman is also required to perform the following duties:

• Serve solid fuel boilers and steam boilers;
• switch feed lines;
• fill the steam line;
• turn on automatic boiler power equipment;
• to carry out routine inspection of devices;
• take boilers for repair and prepare them for work.

Precautionary measures

The job description of the repairman establishes the need to take precautions at work and on the territory of enterprises when moving in workshops in the working area, before starting work, when checking the readiness for action of the conveyor and stands for compiling mechanisms and machines, mechanical assembly devices, including:

• machines and mechanisms, moving and rotating parts of mechanisms, technical means, devices, systems, equipment, conveyor, stands;
• products moving blanks, materials, cargo;
• tools, fixtures, accessories, products, blanks, materials, moving loads, pneumatic tools, power tools;
• fragments and parts of the instrument;
• sharp edges and roughness on the surfaces of workpieces, parts, mechanism assemblies (assembly units), aggregates, apparatus and various technical means (devices), equipment, mechanisms, machines, tools;
• high dust content in the working area of ​​the surfaces of mechanisms, equipment, hardware, devices, systems;
• increased levels of static electricity;
• toxic, chemical, carcinogenic and irritating gastrointestinal tract substances.

Safety Requirements Before You Begin

A typical job description of a repairman prescribes:

- In the case of continuous operation, the acceptance of changes shall be carried out on the basis of entries made in a shift journal, where violations of the operating mode of the technological process, if any, are indicated. The shift journal must be signed by the shift master.

- Before starting work, put in order protective clothing. Sprinkle the floor with sand or sawdust, then collect them.

- Check the serviceability of ladders, stairs, supports.

- Make sure that the lighting (general or local) provides a clear view of the divisions on the instrumentation.

- Check the operability of electrical protective equipment.

- Work with a pneumatic tool that is certified.

- Check the condition of the gripping devices.

- Check the quality of the threaded surfaces on the rhyme-bolts and other devices intended for lifting parts during transportation.

- Check the health of equipment (grinding machines, bathtubs for heating, furnaces, presses, etc.).

- Check the presence of fences and their serviceability, reliability of fastening.

- Make sure that the exhaust ventilation system is working.

- Ensure that there are safety signs and primary firefighting equipment.

- Check the protective earth (earth) in order to detect visible damage.

- Check the availability of raw materials, blanks, semi-finished products in accordance with the order-order, and their quality - according to the assessment of the technical control department.

Features of handling a power tool

The job description of a fitter 5 category requires:

- Use a working tool.

- Firmly fasten the tool and workpieces when machining.

- The conclusion of materials, blanks and parts to workplaces is performed in a manner that ensures their stability.

- Do not keep foreign objects in the working area that are not used when machining parts.

- Stop work when the tool is dull (sharpen or replace it).

- Remove equipment and portable lamps from outlets if you need to leave the workplace.

- Do not stop rotating parts and tools with your hands.

Safety requirements when working with an electrified tool

The job description of a repairman when working with an electrified tool establishes to beware of grabbing clothes and injuring hands. When working with such a tool, you can use only proven electrical protective equipment: rubber mats, gloves, galoshes.

Work related to electrical tests with voltage higher than 42 V should be performed only in case of training, certification and the availability of an appropriate certificate.

Pneumatic tool

The job description of the 6th category mechanic-repairman requires that the product be removed and laid during pressing and testing of units on pneumatic presses only with the rod completely immovable.

Parts and assemblies should be enclosed in special containers. When storing on the floor, ensure stack stability. The height of the latter should be no more than 1 m.

Mechanical assembly work

The job description of a repairman during mechanical assembly prohibits:

• work with loose large parts;
• unloading operations should not be carried out under the direction of the responsible person (foreman, foreman, shift engineer, etc.)

When loading and unloading and transporting cargo, it is impossible to use faulty mechanisms, devices, equipment and containers for securing cargo. To carry out lifting and roofing work in case of special training and with a certificate.