25
2.6.11 To clean the parts from the soot deposits it is recommended to use physicochemical
cleaning method with 10% water solution based on the biodegradable detergent Luxol-Karbon with
the temperature 40-60 ºC and hydroabrasive cleaning method in the jet machines with the abrasive
component;
2.6.12 To clean the cylinder head from the scale crust it is recommended to use the acid
solution based on the metaphosphoric acid 50-70 g/l and chromic anhydride 100-120 g/l with the
temperature 25-35 ºC and followed by the water flushing. To clean the parts from the old paint
cleaning fluids SD and AFT are used.
2.6.13 To intensify the cleaning and washing process of the parts of small dimension and
complex form from the asphalt-resinous deposits if it recommended to use ultrasonic washing
machines.
2.6.14 To clean the small parts (fittings, springs and others) it is recommended to use the
drum-type washing machines using the barrel polish method (with the drum rotation) in the cleaning
detergent solution (MS-15 or MS-37).
2.6.15 While the engine repairing holes of the passages of the removable crankshafts should
be cleaned after the plugs removing with the help of mandrels with the stress method. The cleaning of
the crankshaft cavities from the asphalt-resinous deposits should be made in the bath with diesel fuel
oil with the help of scraper and circular brush - brush from the capron with the following cleaning in
the washing machine using the submerge method in the detergent solution.
2.6.16 Repairing the engine with and replacing the crankshaft it is necessary to clean the oil
passages of the cylinder block (see pic. 21 and pic.22), previously removed the channel plugs, using
the brushes and diesel fuel oil, blow with the compressed air. To control the quality of cleaning with
the help of clean white napkin on the rod and compare the quality standard.
Attention!
If this operation is not performed the risk of new bushings turnover from the
influence of the abrasive particles of the impurities left in the oil passages of the block increases.
2.6.17 Cleaning of the centrifugal rotor cover from the asphalt-resinous impurities should be
made previously with the help of scraper, nozzles should be cleaned with the following cleaning in
the washing machine with the help of submerge method in the detergent solution.
2.6.18 Cleaning of the valves of the lubrication system from the impurities should be made
in the bath with diesel fuel oil followed by blowing with the compressed air.
2.6.19 Parts of the fuel system should be cleaned in the clean diesel fuel oil.
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