Precautions
4
D760.H03E-001.H1907
Environment-friendly Operation and Adjustment of Engine
1. Dongfeng Commercial Vehicle Co., Ltd shall regard any private or unauthorized
removal of lead seals of the engine as automatic abandonment of the warranty.
2. The engine has been strictly adjusted before delivery and met the requirement of
the national environmental laws. The user is not allowed to execute unauthorized
alternation or adjustment. The engine can only be adjusted in the service station
designated by Dongfeng Commercial Vehicle Co., Ltd. Dongfeng Commercial
Vehicle Co., Ltd will regard any private altering or adjustment in any unauthorized
service station as automatic abandonment of the warranty.
3. Use the oil filter element and fuel filter element designated by the engine
manufacturer.
4. Strictly observe the following during the operation and maintenance:
a). Perform regular maintenance and replacement of the oil filter, the fuel filter
and the air filter.
b). Make sure to apply the designated or recommended model and specification
of oil, and change the oil regularly.
c). You must use a qualified conforms to the standard stipulated by the urea
solution, not added.
d). Add high quality diesel of different grades under different climate conditions;
do not use poor-quality diesel.
e). Always check the level of coolant and lubricating oil regularly, and add if
necessary.
f). Check that the connecting pipes for supercharger, intercooler and intake &
exhaust pipes are airproof.
g). Before driving, let the engine run idly for 3~5 min to lubricate sufficiently all its
parts, especially the supercharger in order to ensure the normal operation of
the supercharged engine. After starting the engine, never warm up it by
means of acceleration. Before shutdown, let the engine run idly for 3~5 min, to
cool down normally all its parts, especially the turbine casing of the
supercharger, in order to prevent the gumming or carbon deposition of the
lubricating oil on the hot component, which will lead to malfunctions like
blockage.
5. During the warranty period, we should keep the material proof of using qualified oil
products and urea (such as the certificate of filling station within one year and the
certificate of urea sales at the normal point of sale).
6. According to the maintenance provisions of this manual, vehicle maintenance shall
be conducted at the service station authorized by dongfeng commercial vehicle
co., ltd. with maintenance records.
7. All materials for maintenance, if no longer in use, shall be disposed of in
accordance with national or local environmental laws.
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