Description And Operation Of Tractor Constituents; Engine And Its Systems; Engine; System Of Engine Air Cleaning - Belarus 3522.5 Operator's Manual

3 Description and operation of tractor constituents

3.1 Engine and its systems

3.1.2 Engine

The "BELARUS-3522.5" tractor is equipped with a diesel engine TCD 7,8 L06
manufactured by "DEUTZ" company.
Data on operation procedures, maintenance, arrangement and elimination of TCD
7,8 L06 engine failures is provided in "TCD 7,8 L06 engine operation manual" attached to
your tractor.

3.1.3 System of engine air cleaning

Arrangement of elements of the engine air cleaning system for "BELARUS-3522.5"
tractors is presented in figure 3.1.1.
1 – air cleaner; 2 – air line; 3 – turbocharger; 4 – upper hood cover; 5 – air intake; 6 –
backflow valve; 7 – bracket to mount the air cleaner.
On "BELARUS-3522.5" tractors the system of cleaning the air, delivered to the en-
gine turbocharger, includes:
- air cleaner 1 (figure 3.1.1) with a built-in unit "multicyclone" of PSD (Donaldson)
series;
- air line 2, connecting the air cleaner 1 with the turbocharger 3;
- impurity sensor, designed to indicate a rate of the air cleaner impurity. The electric
sensor of the air cleaner filter impurity (see figure 3.1.2) is mounted on the air cleaner body
and is actuated by discharging of not less than 7 kPa. Hereby a pilot lamp of air cleaner
filter impurity, which is located on dashboard in pilot lamp unit, lights up.
- backflow valve 6 (figure 3.1.1) of the induction system, required to exclude a po-
tential possibility of changing direction of air flow in the induction system – it is mounted on
a dust-extract pipe of the "multicyclone" unit.
Figure 3.1.1 – Engine air cleaning system
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