Operation and Maintenance Manual forWP10 Series Four-valve Diesel Engine (China IV, V)
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3. Fuel, Lubricating Oil, Coolant, Diesel Exhaust Fluid and Auxiliary Material of the Diesel
Engine
3.1 Fuel
In summer: 0# diesel fuel (GB252) should be used.
In winter: Select the fuel of proper gradeaccording to the ambient temperature.
3.2 Lubricating oil
For Weichai Power China IV Series and China V series Diesel Engines, grade CI-4 should be used. Special oil
for Weichai Power should be usedrefers to table 3-1.
Table3-1 Specification for Weichai Power special oil selection
China IV series diesel engines: WP4,
WP5, WP6, WP7, WP10, WP12,
WP13,etc.
For Viscosity selection for Weichai Power special oilrefers to table 3-2.
Table 3-2 Relation table between viscosity and applicable ambient temperature
Applicable ambient temperature (℃)
Attention:
1) Before starting the diesel engine, check the oil level in the oil sump firstly.
2) Don't inspect the oil level when the diesel engine is running.
3) Oils with different manufacturers or different grades are not allowed for mixing with Weichai Power special
oil.
Table13-3Oil filling capacity and filter element number for all series of Weichai engines