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8. Maintenance servicing
For durable and reliable work of the compressor carry out the following operations on
its maintenance servicing:
- After the first 50 working hours check up and if necessary tighten the bolts of cylin-
ders’ heads of the compressor’s unit for indemnification of the temperature shrinkage, the
moment of tightening - 25 Nm;
- check monthly the density of connection of the air pipe-lines, level of oil in the cas-
ing, clear the compressor of a dust and dirt. As a cleaning material one can apply only cot-
ton or linen cloth. The application of the ends and woolen cloths is not allowed;
- change the oil after the first 100 working hours and further through every 500 work-
ing hours. It is not recommended to mix different types of oil. If the oil changes its color
(turns white - presence of water, turns dark - strong overheating) is recommended to re-
place oil immediately;
- Depending on conditions of operation, but no more than once per month, clear the
soaking up air filter, blowing the spout and the filtering element with compressed air. It is
recommended to replace the spout of the air filter or the filtering element at least once a
year, if the compressor works in a clean premises, and even more often if the premises are
dusty. Reduction of the capacity of the air filter reduces service life of the compressor, in-
creases the consumption of the electric power and can result in breakup;
- Merge condensate from the receiver, using the overflow valve, once per week;
- After the first 48 hours of operation and further it is necessary to check periodically
and to adjust the tension of belts and to clear them of dirtying, as at an insufficient tension
belt slips, overheating and decreasing of EFFICIENCY of the compressor’s unit may
occur. When the belts are drawn, there is an excessive loading on bearings, which leads to
their deterioration, overheating of the electric motor and the compressor’s unit. At a correct
tension the deflection of a belt at its middle under the influence of 20 Н should be within
the limits of (5-6) mm. The tension can be adjusted by means of displacement of the elec-
tric motor, having previously released the bolts, which fasten it to a platform. A pulley of
the electric motor and pulley of unit of the compressor should be at one plane;
- Periodically check the reliability of fastening of the compressor’s unit and engine to
a platform, and of the platform to the receiver;
- Periodically check integrity and reliability of engine controls, control devices, ca-
bles, air channels;
Periodically clear all outside surfaces of the compressor and electric motor for
improvement of the cooling-function.
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