24
(working temperature is more than 400 degrees) because of the danger to get burns to the human
body despite their high quality of cleaning.
2.6.7
It is considered the most effective to clean and wash the parts and nodes from oil
impurities, asphalt-resinous impurities, carbonaceous sediments to use the submerge method in
water solution of the synthetic detergents like MS-15; MS-37 (TU 2149-171-10964029-2002);
TEMP-100 with the concentration 25-30 g/l (25-30 kg/m
3
), at the temperature of the solution 75-
85ºC moving the object of cleaning in the solution in the carousel-type washing machines (dirty
parts are put into the cradles which are periodically dipped into the cleaning solution with the help
of joint cross drive) at a rotation speed 2-5 rpm.
For washing and cleaning of the cylinder block and head from different kinds of
impurities: oil impurities, asphalt-resinous sediments it is recommended to use the cleaning agent
MS-37 (phosphate-free, in form of powder)- manufacturer
CJSC «FK» Buy cite Kostromskaya region (to utilize the spent solution it is not necessary to
neutralize it with lime, like for example, with MS-15).
2.6.8 It is allowed to clean and wash the parts from such kinds of impurities in the boiler
bathes using the submerge method with intensive stirring of the detergent solution with the
concentration of 25-30 g/l with the help of directed jets or compressed air barbotage. The
disadvantage of this technology is rapid decrease of the cleaning capacity and solution temperature.
2.6.9 High pressure jet machines are used for cleaning of the external impurities of the
body parts surfaces and flushing stands are used for cleaning of the oil passages 0f the crankshaft
and cylinder block. In this equipment washing solution on the basis of the stated detergent
solutions with the concentration of 10-15 g/l at the temperature 75-85 ºC is used To eliminate the
foaming antifoaming agents 0.2-0.3 % (white spirit, diesel fuel oil) are added to this solution.
2.6.10
If prepared washing solutions are not available it is allowed to use effective
washing solutions for cleaning of the parts made of ferrous materials consisting of:
-Sodium carbonate – 40 – 45 %;
-Sodium tripolyphosphate - 20 – 25 %;
-Sodium metasilicate or liquid silica – 15-20 %;
-Surface-
active reagents (OП-7, OП-10) – 5-10 %;
Attention!
Working washing solutions should be prepared gradually adding the
corresponding agent powder according to the recipe into the hot water and stirring it for more
complete dissolving of the cleaning agent.
Preparing the solution operator should use means of protection for respiratory organs
(respirator), eyes (glasses) and skin (gloves, protective suit).
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