KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
148
Cleaning the cartridges by blowdown with compressed air (Fig.38) or by washing (Fig.39) in
a detergent solution.
Fig. 38 Cartridge blowdown
Fig. 39 Cartridge washing
Assemble air cleaner in the order reverse to the sequence described above.
Cartridge blowdown
a) connect the hose to compressed air source with the pressure of (0.2-0.3) MPa [(2-
3) kgf/cm
2
] max.
b) start the air supply;
c) direct a dry air jet to the rear end of the filter element (at the safety filter element
side), perform air-blasting of the filter element until all dust is removed. Adjust the air-
blasting intensity by adjusting the air supply. During air-blasting be careful in order to
avoid fractures of the filtering material. If there are fractures or any other through de-
fects, replace the filter element.
5-6 cleaning operations of filter elements are allowed.
CAUTION!
In order to avoid the ingress of dust into the cylinder piston group of the
engine, it is necessary to pay special attention to the following:
1. When cleaning (blowing down) the filter element, do not allow ingress of dust into
the internal cavity of the cartridge and the suction path of the engine.
2. Do not allow mounting cartridges with defected seals at the ends, in particular, with
seals not being glued and with the filter paper damaged.
3. See for firm adherence of the end rubber seals of the cartridges to the air cleaner
housing.
4. Regularly check the reliability of tightening and, if necessary, retighten the clamps
fastening the corrugated branch pipe that connects the air cleaner with the suction
branch pipe of the engine turbocharger. During maintenance of the air cleaner, check
the suction path downstream the air cleaner for the absence of any traces of dust
therein. In case of detection of dust, immediately eliminate the causes of its occur-
rence.
Check the tightness of clean air supply line to the engine and dust removal line from
the air cleaner
