
Section 7. Maintenance Procedures
Belarus 80.1/80.2/82.1/82.2/82
Р — Operation and Service Manual
89
If a cleaner extreme clogging warning
lamp is not fitted or out of order, proceed
with servicing the air cleaner in the order
as follows: under normal conditions, re-
move the pan every 125 hours (every 20
hours under heavy dust-laden condi-
tions), and check oil level and condition
of oil. Wash the pan and fill it with fresh
oil up to the level of ring shoulder.
When operating under conditions of air
contaminated with large particles, put on
a protection in the form of a gauze jack-
et.
Service the air cleaner every 1000 hours,
as directed under items «a», «b», «c»,
«d» and «e».
Draining the Sludge and Washing the
Fuel Course Filter
Drain sediment every 125 hours of die-
sel-engine operation (during scheduled
MS-1) from the fuel course filter. To do
this, unscrew the drain plug (2) (see Fig.
42) in the lower part of the cup and drain
sediment until clear fuel runs off.
In 1000 hours of diesel-engine operation
(scheduled MS-3) wash the fuel course
filter, to do this (see Fig. 43):
а) close the fuel tank cock;
b) remove bolts 1 attaching cup 3;
c) remove the cup 3;
d) with the help of a spanner, unscrew
the deflector and grid assembly 2;
e) remove the disperser;
f) Wash the deflector in assy with grid,
wash the disperser, and the filter
barrel (3) in diesel fuel and refit them
back in place.
After filter reassembly, fill up the fuel sys-
tem with fuel.
Fig. 42
Fig. 43