Independent Mechanical Parking Brake - Belarus 3522.5 Operator's Manual

3.9.4 Independent Mechanical Parking Brake

As parking brake is used service brake with independent hand rear wheel drive.
The independent mechanical parking brake consists of: lever 1 (figure 3.9.5) mounted on
bushings 2 on axle 3, tightened with nut 4 in bracket consisting of side members 5, 6, sec-
tor 7, distance pieces 8 and coupling bolts 9 with nuts 10.
1 – lever; 2 – bushing; 3 – axle; 4 – nut; 5 –left side member; 6 –right side member;
7 – sector; 8 –distance piece; 9 – bolt; 10 – nut; 11 – clamper axle; 12 – clamper; 13 –
coupling; 14 – rod; 15 – button; 16 – washer; 17 – spring; 18 – handle; 19 –duplicating but-
ton (for reverse modification of tractor); 20 – rod; 21 – pin; 22 – hand brake control lamp
switch.
Figure 3.9.5 – Independent mechanical parking brake
In the lever 1 (figure 3.9.5) on the axle 11 is situated the clamper 12 in top arm of
which is located the coupling 13 in which is screwed-in rod 14. On the other end of the rod
14 is threaded button 15.
In tube part of the lever are bosses which serve as supports for washer 16 which is
support for spring 17. The handle 18 is assembled by forced fit on tube part of lever. For
reverse modification exists a possibility for installation of duplicating button19. The lever 1
is connected with rod 20 by means of pin 21.
The rod 20 is connected to lever 3 (figure 3.9.4) mounted on key on shaft 20. Near
to lever 3 on key is mounted lever 2 connected by rod 5 with lever 10 situated on key on
shaft 21 of left brakes drive mechanism. On the other end of the shaft 1 (figure 3.9.3) on
the semi-circular key 2 is mounted lever 3 connected by rod 7 with lever 6 of right brakes
drive mechanism. The lever 1 (figure 3.9.5) assembled with bracket is fixed on the cab
floor by four bolts.
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