82.3-0000010 OM
161
5.4.1.6 Operation 5. Check of cooling liquid level in the engine cooling system
The coolant level in the engine cooling system shall be monitored by fullness of ex-
pansion tank 4 (figure 5.4.5). The coolant quantity in the expansion tank shall stay at the
level of 20 to 30 mm from the expansion tank bottom to the upper edge of clamp 12 fas-
tening expansion tank 4. If the coolant level is lower than 20 to 30 mm from the expansion
tank bottom, add the coolant to the expansion tank up to the upper edge of clamp 12 fas-
tening the expansion tank.
1 - bottom seal; 2 - water radiator; 3 - fan casing; 4 - expansion tank; 5 – expansion
tank cap; 6 - radiator cap; 7 - branch pipe from the engine to the water radiator; 8 – tie rod; 9
- drain tap; 10 - branch pipe from the water radiator to the engine water pump; 11 - steam
outlet and compensation tube; 12 - expansion tank clamp.
Figure 5.4.5 – Engine cooling system
WARNING: ENGINE COOLING SYSTEM WORKS UNDER PRESSURE WHICH IS
MAINTAINED BY A VALVE LOCATED IN WATER RADIATOR CAP. IT IS DANGEROUS
TO REMOVE THE RADIATOR AND EXPANSION TANK CAPS WHEN THE ENGINE IS
HOT. IF IT IS REQUIRED TO REMOVE THE WATER RADIATOR CAP OR THE EXPAN-
SION TANK CAP, LET THE ENGINE COOL DOWN, COVER THE CAP WITH DENSE
CLOTH AND TURN IT SLOWLY TO REDUCE PRESSURE IN A SMOOTH MANNER BE-
FORE REMOVING THE CAP. AVOID BURNS BY HOT FLUID! AVOID CONTACT WITH
HOT SURFACES OF ENGINE COOLING SYSTEM ELEMENTS!
5.4.1.7 Operation 6. Check of tire state
Carry out inspection of outside appearance and condition of the tires in order to de-
tect faults or objects stuck in the tires (nails, rocks etc.). If necessary clear the tires off the
foreign objects. In case the tires have defects going up to the tire fabric or cracks, going
through the whole tire thickness, dismount the tire and send it to the special repair workshop
for restoration. If the tires have defects beyond repair, replace the tire. Defective tire shall be
sent to recycling.
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