2022.3-0000010 OM Clogging or crumpling of brake control pipelines in one of the circuits or pipelines of main brake cylinders leveling valves Sticking of main cylinder pistons (does not go back in its initial position) due to piston cup and O-ring expansion, resulting in closure of compensating port by reason of use of incorrect hydraulic-brake fluid or ingress of mineral oil, petroleum, kerosene, diesel fuel into hydraulic-brake Sticking of main cylinder pistons due to piston cups expansion On tractors “BELARUS1822.3 /2022 .3» valve pistons stick due to O-rings expansion
Clean or replace pipelines. Circulate hydraulicbrake fluid through the hydraulic system for forward motion and on tractors “BELARUS1822.3 /2022 .3” for reverse Rinse hydraulic drive system with hydraulic-brake fluid. Replace damaged cups and O-ring in the main and operating cylinders. Replace hydraulicbrake fluid. Circulate hydraulic-brake fluid through the hydraulic system for forward motion and on tractors “BELARUS-1822.3 /2022 .3” for reverse
Low efficiency of parking brake drive Wrong adjustment of parking brake Adjust as specified in subsection 3.8.7 “Adjustment drive of parking brake drive”
7.9 Possible failures in pneumatic system and guidelines for troubleshooting List of possible failures in pneumatic system and guidelines for troubleshooting are shown in Table 7.9. Table 7.9 Failure, Troubleshooting external manifestations, cause Increase of pressure in balloon is slow Air leakage from pneumatic system by the following reasons: - undertightened or damaged pipe- Detect leakages and correct them by retorque of line, fittings nuts, and coupling junctions or replacement of damaged parts band - damaged rubber gasket of cou- Replace damaged gasket pling head - coupling head O-ring nut torque Draw up the nut got loose - dirt entry under coupling head Clean valve - contact of dust cover with cou- Correct pling head valve plug - faulty adjustment of brake valve Adjust brake valve actuator as indicated in clause actuator 3.9.4.2 “Check and adjustment of single-line and 311
