Operation and Maintenance Manual of WP13C Series Diesel Engines
Weichai Power Pursuit of Excellence
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quantity according to outdoor temperatures;
d. Starting: the auxiliary starter can be used in winter if necessary. After starting of the diesel engine,
load and run it at high speed after the oil pressure and the water temperature are normal;
e. Before cold seasons, check the battery electrolyte level, viscosity and unit voltage. If the diesel
engine is not used for a long time and the temperature is very low, please take down the battery and
store it in a warm room;
f. Shutdown: When stopping in cold weather, unload first and idle for (1~2) min, and shutdown after
the temperature lowers. After stopping, do not drain the coolant containing antifreeze additives. If
there is no antifreeze additives in the coolant, open the water drain valve or plugs on the engine body
and the oil cooler cover, and drain the coolant empty to prevent the engine from frost cracking.
