Clutch Control Adjustment - Belarus 3522.5 Operator's Manual

3.3.4 Clutch control adjustment

3.3.4.1 Clutch control adjustment
The clutch control is adjusted in the following order:
1. Adjusting of a clearance gap "B" (figure 3.3.4) between the piston 2 and the
pusher 9 of the main cylinder 12 (for forward motion):
- set the pedal 10 so as to observe "D" dimension by means of the bolt 4, tighten the
nut 5;
- screw the pusher 9 into the fork 6;
- screwing the fork 6 in and out achieve the dimension "Г", defined as moving of the
pedal 10 from the initial position to touch the pusher 9 to the piston 2, measured at the
center of pedal casing;
- tighten the nut 8 and fasten the pin 7 by cotter.
2. Adjusting of a clearance gap "Ж" between the piston 21 and the pusher 22 of the
main cylinder 19 (for operation on reverse):
- remove the casing 23 off the cylinder 19;
- unlock the fork 15;
- screw the pusher in the fork 15, holding to the dimension "K", tighten the nut 24;
- screwing the bolt 16 in and out achieve the dimension "E", defined as moving of
the pedal 20 from the initial position to touch the pusher 22 into the piston 21, measured
on the center of pedal pad;
- tighten the nut 17, put the casing 23 on.
3. Adjusting of a clearance gap "Л" between the pusher 33 of the operating cylinder
32 and the rod 34 of the hydraulic booster 35:
- remove the bracket 36 with the hydraulic booster 35 and the operating cylinder 32,
having detached and blocked the pipelines 13, 25, 41;
- remove the cotter pin off the center line of the bracket 36, unlock the rest 48;
- fix the piston 37 of the hydraulic booster in the extreme lower position by means of
aids at hand;
- remove the operating cylinder 32 off the center line of the bracket 36, set the
pusher 33 of the operating cylinder into the extreme left position until the piston 31 stops
against the cover 28;
- mount the operating cylinder until the pusher 33 touches the rod 34 of the hydrau-
lic booster 35;
- screwing the rest 48 in or out, bring the rest orifice into coincidence with the center
line of the bracket 36;
- screw the rest 48 into the cover 28 half-turn, tighten the nut 49;
- mount the operating cylinder 32 on the center line of the bracket 36 and cotter-pin;
- mount the bracket 36 with the hydraulic booster 35 and the operating cylinder 32
on the clutch body, attach the pipelines 13, 25, 41;
4. Adjusting of a clearance gap "H" between the release bearing 46 and the rest of
release levers 47 of the clutch. This adjustment can be carried out in two ways:
First way:
- remove the pull-back spring 42;
- unlock the spherical nut 40;
- turn the lever 43 clockwise until the release bearing 46 stops against the rest of re-
lease levers 47;
- holding the pusher 38 stopped against the piston 37 of the hydraulic booster 35
(the piston shall stay in the extreme left position), unscrew the spherical nut 40 until
touches the lever 43;
- screw the spherical nut 40 by 5 revolutions from the position of touching the lever
43, preventing the pusher 38 from turning;
- tighten the nut 39, put on the pullback springs 42.
Second way:
- depress the pedal 10 to reach high effort (300 to 400 N) and hold in this position.
Herewith the pedal stroke on the pad shall be from 70 to 80 mm, the projection of the pis-
ton 37 of the hydraulic booster 35 shall make the dimension "M" (not including the cham-
fer);
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