Belarus 80.1 Operation Manual page 304

1 – nut; 2 – cap; 3 – rotor cup; 4 – wrench, 5 – screwdriver (stem); 6 – cover;
7 – impeller; 8 – filtering mesh; 9 – rotor.
Figure 6.4.24 – Cleaning the rotor of the engine's centrifugal oil filter
ATTENTION: AFTER THE ENGINE STOP, THE NOISE OF ROTOR THAT KEEPS
ROTATING SHALL BE HEARABLE FOR 30 TO 60 MORE SECONDS. THIS INDICATES
NORMAL OPERATION OF THE CENTRIFUGAL OIL FILTER!
6.4.3.9 Operation 30. Change of oil in engine crankcase
Before changing oil, heat the engine up to normal operating temperature (70° С and
higher), put the tractor on a flat surface, stop the engine and brake the tractor using the
parking brake.
To change oil in engine crankcase, do the following:
- remove cover 2 (Figure 6.4.25) of oil filler neck 1 and unscrew drain plug 4;
- drain oil into a container for used oil storage;
- place drain plug 4 back to its place, and fill new clean engine oil (winter oil as per
table 6.7.1 in winter, and summer oil in summer) through the oil filler neck up to the upper
mark of oil dipstick 3;
- place back cover 2 of oil filler neck;
- start the engine and let it run for one to two minutes;
- ten minutes after engine stop, check the oil level with oil dipstick 3;
- if necessary, top up oil into engine crankcase.
1 – oil filler neck; 2 – cover; 3 – oil dipstick, 4 – drain plug.
WARNING: BE CAREFUL TO AVOID CONTACT WITH HOT OIL!
Figure 6.4.25 – Change of oil in the engine
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80-0000010B OM