O P E R A T I O N & M A I N T E N A N C E M A N U A L
42
Selected oil brand under different temperatures
Ambient temperature
oil brand
corresponding oil brand of SAE
-10
℃
or colder
15W/40 CD grade
15W/40 CD grade
-5
℃
～
20
℃
10W/30 CD grade
10W/30 CD grade
20
℃
or warmer
5W/30 CD grade
5W/30 CD grade
The above-mentioned brand can be sold around China. The manufacturers
are: Dalian Petrochemical Company(Qixing brand),Lanzhou Oil Refining Plant
(Feitian brand), Jinxi Oil Refining Plant(Bohai brand), Maoming Petroleum
Industry Company(Nanhai brand),Jinan Oil Refining Plant and etc.
2 Air flow in the air filter of turbocharger diesel engine shall be no less than
250m3/h, and the mounted place shall be more then 500mm away from
exhaust pipe and turbocharger. Change filter core regularly as requirement of
the technical maintenance to ensure ventilation. Inner diameter of the inlet pipe
shall be no less then 54mm.Keep its inner wall smooth and clean. Air leakage is
not allowed at any connection of the pipe system. The flexible duct for
connection adopts rubber pipe with steel inside. Meanwhile set a net to prevent
aspirating large dust, otherwise the dust will block the duck, which may cause
insufficient air supply, low power, smoking and oil leakage in the compressor of
the turbocharger. Turning angle of the pipe shall exceed 90 degrees, and no
more than two turnings shall be provided. Radius of turning shall be 3 time as
diameter of the pipe, which shall be shortened as much as possible.
3 Inner diameter of the exhaust pipe shall no less than 48mm. Turning
angle of connection pipe shall exceed 90 degrees, and no more than two
turning shall be provided. Radius of turning shall be 3 times as diameter of the
pipe, which shall be shortened as much as possible. Muffler not only meeting
the requirement of noise-damping, but also the resistance not exceed the
permissible value(13
～
20kPa
）
,power loss of the diesel not exceed than 3%
～
4%.
