Belarus 1822.3, Руководство оператора

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2022.3-0000010 OM
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6.4.6.3 Operation 73. Rinse of the engine cooling system and change of cool-
ing liquid
To change cooling liquid (CL) in the engine cooling system, it is required to place
the tractor on level horizontal ground, engage the parking brake and lock the wheels
against movement with anti-recoil limit stops excluding tractor self-movement. The engine
shall be stopped.
WARNING: THE ENGINE COOLING SYSTEM OPERATES UNDER PRESSURE
WHICH IS MAINTAINED BY MEANS OF THE VALVE IN THE EXPANSION TANK PLUG.
IT IS DANGEROUS TO TAKE OFF THE PLUG WHEN THE ENGINE IS HOT! LET THE
ENGINE COOL DOWN. PUT SOME MATERIAL HAVING DENSE TEXTURE ON THE
PLUG AND SLOWLY TURN IT IN ORDER TO REDUCE THE PRESSURE GRADUALLY
BEFORE COMPLETE PLUG REMOVAL. BE CAREFUL IN ORDER TO EXCLUDE CON-
TACT WITH HOT LIQUID WHICH CAN CAUSE BURNS!
To rinse the engine cooling system and change the cooling liquid (CL), it is required
to do the following:
- open plug 10 of expansion tank 9 (figure 3.1.6);
- unscrew drain plug or tap 11 of water radiator 4, unscrew drain tap on the cylinder
block on the right and drain the CL;
- screw in drain plug or tap 11 of water radiator, screw in the drain tap on the cylin-
der block;
- through the filler neck of expansion tank 9 fill the engine cooling system with two li-
ters of kerosine and fill the system with the prepared solution (solution for rinsing the en-
gine cooling system – from 50 to 60 g of soda ash for one liter of water) up to the level of
50-70mm lower than the filler neck upper edge;
- start the engine and run it from 8 to 10 hours after which drain the solution;
- through the expansion tank filler neck pour clean water into the engine cooling
system, start the engine and warm it up to the normal operating temperature (at least
70° ) after which drain the water from the cooling system;
- fill CL through the neck of expansion tank 9. Filling shall be carried out up to the
moment when the level of CL in the expansion tank is 50-70mm lower than the filler neck
upper edge;
- start the engine. Warm it up to the moment when the CL temperature reaches
92…95° . Stop the engine.
- check the uniformity of upper and lower radiator tanks warming-up as well as the
radiator core. Let the engine cool down;
- check the CL level (it shall be 50…60mm lower than the filler neck upper edge of
the expansion tank), refill the LC if necessary, screw in plug 9 of expansion tank 10.
6.4.6.4 Operation 74. Rinse of the engine breather
Wash the engine breathers with diesel fuel. For doing this, it is required to remove
breather housings, withdraw breathers from cap covers of cylinder heads, rinse them and
blow off with compressed air. Put the breathers and breather housings back on their
places.
6.4.6.5 Operation 75. Check and adjustment of fuel pump on the stand
Dismount the fuel pump from the engine and send it to the specialized repair shop.
ATTENTION: FUEL PUMP ADJUSTMENT SHALL BE CARRIED OUT BY DEAL-
ERS IN A SPECIALIZED REPAIR SHOP USING SPECIAL EQUIPMENT!
ATTENTION: FUEL PUMP MOUNTING AND DISMOUNTING ON/FROM THE EN-
GINE SHALL BE CARRIED OUT ONLY BY QUALIFIED SPECIALISTS!
After fuel pump mounting on the engine, it is required to adjust the fuel injection tim-
ing advance adjusting angle in accordance with clause 6.4.6.7.
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