SDLG WP6, Service Manual

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Service Manual for WP6 Diesel Engine
10
2 Maintenance Guidelines for Diesel Engine
21 Fuel Oil, Engine oil, Coolant and Auxiliary Materials
211 Fuel Oil
Summer: 0# diesel fuel (GB252)
Winter: -10# diesel fuel is generally used, choose -20# diesel fuel if ambient temperature lower than
-15
o
C, and choose -35# diesel fuel if ambient temperature lower than -30
o
C.
The chosen fuel should meet requirements in appendix C.6 of GB17691-2005 (Revised in June
2008).
212 Engine Oil
Diesel engine oil capacity: 16L, engine oil capacity is subjected to the marks on oil dipstick (there
might slight differences between different models).
Selection of engine oil: To ensure safety and reliable operation of your diesel engine, please choose
CD grade engine oil. (Weichai dedicated engine oil is recommended, and only choose Weichai
dedicated engine oil for the first replacement). As shown in Fig. 2-1.
Ambient
temperature
Multi-grade oil
Ambient
temperature
Fig. 2-1 Engine oil brand selection chart
NOTICE: It is allowed to replace low-grade engine oil brand with high-grade one. Replace the
filter along with the engine oil replacement.