Action 4b
*
. Checking the fastening of
the air-conditioner hoses
The air-conditioner shall be fixed
reliably by means of the binding screw
clamp. The contact of the hoses with the
tractor’s moving parts is not allowed.
Action 4в. Checking/cleaning of the
air-conditioner condenser
Check the cleanness of the con-
denser core. If it is clogged, clean the
condenser using compressed air. When
the bonnet is open, direct the air flow at
the right angle to the condenser plane
top-down. Any crushed ribbing shall be
rectified by means of a special comb or
plastic (wooden) plate. In case of heavy
dirtying of the condenser, flush it with hot
water under the pressure of not more
than 0.15-0.2 MPa and blow it off with
compressed air.
Action 4d. Checking the drain
tubes/cleaning them from condensate
The blue-coloured drain tubes are
located to the right and left from the ra-
diator tube under the ceiling panel.
Check the drain tubes and clean them to
avoid their clogging. The sign of a clean
drain tube consists in water dripping dur-
ing the operation of the air-conditioner in
hot weather
Action 4d
**
. Removal of condensate
from the engine radiator tanks (CAC)
(MTZ-900.3/920.3/950.3/
952.3)
To remove condensate from the
engine CAC radiator tanks, proceed as
follows:
- Turn out the two plugs 1 in the bottom
portion of the charge air cooler (2) and
let the condensate to drain;
- Turn in the plugs (1).
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