2022.3-0000010 OM
72
The “BELARUS-1822.3/1822 .3/2022.3/2022 .3” tractor has an air purifier of
“Donaldson” company FPG100318 of dry type using one paper filtering element P781039.
This air purifier has two stages of cleaning:
- preliminary inertia air cleaning (in-built cyclone). It is carried out inside the air puri-
fier at the cost of tangential intake and centrifugal forces, emerging by air spiral rotation
with relation to the axis of the case 1 (figure 3.1.4) of the air purifier. Dust is discharged
through a rubber valve 5, mounted on the cover 4 of the air purifier, as the engine is
stopped and started, at the cost of excess pressure, emerging inside the air purifier;
- dry cleaning with a main filtering element 6. Air is fed through the air intake 3. Air
is delivered to the turbocharger through the air pipeline by means of a delivery pipe 2.
1 – case; 2 – delivery pipe; 3 – air intake; 4 – cover; 5 – rubber valve; 6 – main filter-
ing element (MFE).
Figure 3.1.4 – Air purifier
To indicate the air cleaner impurity there is a pilot lamp, located in the pilot lamp
unit of the instrument dashboard. An electronic sensor of air cleaner impurity is mounted in
the area of air delivery pipeline and responses as discharging reaches 7 kPa.
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