Maintenance Instruction
57
4.11 Engine Oil Sump Level Check and Oil Replacement
（1）Remove the oil dipstick (A) on the left front of
the oil pan and check if the oil level is between the upper
scale mark and lower scale mark. If the oil level doesn’t
reach the lower scale mark, add oil to the recommended
level.
Figure 4-22 Engine Oil Quantity Check
（2）Before maintenance and replacement of the oil,
preheat the engine. When the engine oil temperature
reaches 50℃～60℃, unscrew the drain plug (A) below
the oil pan, discharge all of the dirty oil, and refill with
new oil.
Figure 4-23 Changing the Oil in the Engine Oil
Pan
IMPORTANT NOTE: Never mix new and old engine oil or blend different brands of oil, as this can damage
the engine. Replace the engine oil strictly in accordance with time limits recommended in the Operation
Instruction of the Diesel Engine.
4.12 Fuel Filter Maintenance
The fuel filter is in the front upper area on the left
side of the engine. Cleaning the paper filter element of
the cleaner is not allowed. The filter element should be
replaced when the engine works for 200 hours. The
detailed maintenance process is implemented according
to the regulations of the shop instructions.
Figure 4-24 Fuel Filter Maintenance
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