Operation and Maintenance Manual and Service Manual
of WP12C Series Marine Diesel Engine
Points for Attention
1. This diesel engine has been tested strictly in accordance with the test
stipulations before delivery from our company, and the throttle has been
limited by lead seal, it is not allowed to dismantle the lead seal for increas-
ing the diesel engine power at will. Or our company will not be responsible
for guarantee of repair, replacement and refund. Please pay your attention
to it.
2. The diesel engine operator must read carefully the operation and
maintenance manual, and strictly obey the operation and maintenance
procedures stipulated in the manual.
3. Before using a new engine, 50-hour test running should be done.
4. After the engine is started from cold state, the speed should be
increased slowly. It is forbidden to run the engine at high speed suddenly
and at idling for a long time. After running at high load, do not stop the
engine immediately, and run the engine at low speed and with no load for
5~10 min, and then stop the engine.
5. After the engine is stopped, if the environmental temperature is possible
to belower than 0? and no anti-freeze additive is used, the water in water
tank and in diesel engine should be drained off.
6. It is forbidden that the engine operates without air filter, so as to prevent
unfiltered air from entering into the cylinder.
7. The fuel and oil filled into the engine must be of specified brand and
filtered by strainer, and special clean containers should be used. The fuel
should be deposited for more than 72 hours.
8. Inspection and maintenance for electric system must be done by the
workers of mastering electric knowledge.
9. Preservation is conducted by WEICHAI POWER before ex-work for
prevention of rust and corrosion. Usually the preservation period of diesel
engine is one year. When the preservation period exceeds one year,
conduct inspection and adopt necessary supplementary measures.
Содержание WP12C350
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