Belarus 2022.6 Operator's Manual page 165

5.4.2.12.2.3 Bleeding of the hydraulic system of clutch control with the main and operating
cylinders manufactured by "FENOX" or PAO "Volchanskiy AZ" (Ukraine)
Before bleeding, fill tank 1 (figure 5.4.22) of main cylinder 11 with brake fluid.
Bleeding of the hydraulic system:
- loosen bolt 11a by 3...5 revolutions;
- fill tank 1 with brake fluid up to the mark "MAX";
- remove protective cap 23 from operating cylinder 25 and mount a rubber hose onto the
head of overflow valve 24, put the hose pipe into the container with brake fluid;
- press pedal 7 several times, until brake fluid will come out from outlet hole of main cylinder
11, tighten bolt 11a;
- press clutch pedal several times;
- holding the clutch pedal pressed, unscrew overflow valve 24 for ¼ of the revolution, drain-
ing brake fluid surplus with air bubbles into the container with brake fluid;
- screw in overflow valve 24 and release the clutch pedal;
- bleed the system until the drained brake fluid has no bubbles;
- remove the hose pipe and mount protective cap 23;
- check the brake fluid level in tank 1 and if necessary, refill it.
ATTENTION: WHILE BLEEDING THE HYDRAULIC SYSTEM OF CLUTCH CONTROL, IT
IS REQUIRED TO MAINTAIN BRAKE FLUID LEVEL IN TANK 1 BETWEEN THE MARKS "MIN"
AND "MAX"!
1 – tank; 2 – spring; 3, 11а – bolt; 4, 8, 21, 31 – nut; 5, 33 – yoke; 6, 15, 34 – pin; 7 – pedal; 9, 27 – pusher;
10 – piston; 11 – main cylinder; 12 – panel; 13,17 – oil pipe; 14, 29 – bracket; 16 – support; 18, 20 – pipe-
line; 19 – angle piece; 22 – cover; 23 – protective cap; 24 – overflow valve; 25 – operating cylinder; 26 – rod;
28 – hydraulic booster; 30 – rod; 35 – lever.
Figure 5.4.22 – Diagram of the main and operating cylinder clutch control, manufactured by "FENOX" or
PAO "Volchanskiy AZ" (Ukraine)
165
gearbox
gearbox
rug
2022.6-0000010 OM