Section 7. Maintenance Procedures
Belarus 80.1/80.2/82.1/82.2/82
Р — Operation and Service Manual
89
To flush the oil filter, proceed as follows
(see Fig. 62):
а) open the facing linings;
b) disconnect the oil pipelines (7, 13
and 15), unscrew bolts (5) which at-
tach the cover (6) to the filter body;
using two stripper-bolts, remove the
cover;
c) screw out the reduction valve (11)
and remove the overflow filter (9);
d) wash the filter in a cleansing solution;
e) tighten up the nut (8) of the turn
shaft;
f) install the filter and perform all the
above-stated operations in the order
reverse to dismantling;
g) at the same time, adjust the steering
wheel axial play. To do this:
slacken the locknut (1) and screw in the
adjusting screw (2) up to the stop against
the shaft end-face; thereafter, back it off
1/8
…1/10 turn and stop it with the locknut
(1).
Filling, Checking the Level and
Changing Oil
Check the level, top up oil in accordance
with the instructions in the Lubrication
Chart.
NEVER operate a tractor with the level oil in
the falling below the lower mark on the dip-
stick (4) (see Fig. 62).
When changing oil, wash the filler filter.
Then, start the diesel-engine up and turn
the steering wheel lock-to-lock several
times; check again the oil level and, if re-
quired, top up oil to the upper mark on the
dipstick.
7.6.11 THE HYDRAULIC SYSTEM AND
THE REAR HITCH LEVERAGE
When running with hay-stackers or dump-
ing trailers, top up oil into hydraulic unit
housings up to the level between the
marks «
П» (full) and «C» (middle) on the
dipstick. When in operation with other ag-
ricultural machines, set the oil level in-
between marks «O» and «
П».
On running the tractor with machines
equipped with one-way cylinders, check-
ing the oil level and filling with oil should
be carried out with fully drawn-in rods.
Flushing the Oil Filter and the Breather
of a Tractor Equipped with a Small-
Size Cab
Perform these operations every 500
hours of tractor operation.
Fig. 63
To wash the filter (see Fig. 63):
а) lift the diesel-engine linings forward;
b) remove dust and dirt from the cover
(2);
c) unscrew bolts (1) attaching the filter
cover (2);
d) disconnect the drain hose from the
cover union tube, if required, first
loosening the clamping bolt;
e) take out the filter in assy with the
body (5) to prevent dirt inside from
getting into the oil tank;
f) remove the wire détent (4), take the
filter out of the body (5), wash thor-
oughly the filter elements (3) in petro-
leum or diesel fuel.