BELARUS-920.4/952.4 Operating manual
45
- remove the basic filter element 3;
- check if there dirt in the master filter element (MFE) without removing it from its hous-
ing.
- blow the filter element with compressed air first from inside, then from outside to com-
pletely remove dust. To avoid a break of the paper blind, air pressure must not exceed 0.2 to
0.3 MPa. Direct the air jet at an angle to the filter element surface. During maintenance work, pro-
tect the filter element from mechanical damages and contamination with oil.
ATTENTION: DO NOT BLOW THE BFE WITH EXHAUST GASES OR RINSE IN
DIESEL FUEL.
ATTENTION: REMOVING THE MFE FROM ITS HOUSING IS NOT RECOM-
MENDED. DIRT IN THE MFE INDICATES A FAILED BFE (BREAK OF THE PAPER
SHUTTER, LOOSE BOND OF THE BOTTOM). IN SUCH A CASE, RINSE THE MFE AND
REPLACE THE BFE.
- clean the supply pipe, the inner surfaces of the casing and pan of the air cleaner of dust
and dirt;
- check condition of the sealing rings;
- assemble the air cleaner in the reverse order;
- make sure that the BFE is correctly installed in the housing and close the latches 1;
- set the hood mask to its original position.
Figure 3.3 — Check of engine air cleaner
ATTENTION: AFTER ASSEMBLING THE AIR CLEANER, CHECK TIGHTNESS OF
ALL INTAKE CONNECTIONS. IF THE CHECK REVEALS ANY FAULTS OR DAMAGES,
FIND OUT THEIR REASON AND TAKE MEASURES TO ELIMINATE THEM.
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