PRONAR T700M/1, Перевод оригинальной инструкции

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Section 3
3.7
PRONAR T700M/1
Design and operation
3.4 MAIN BRAKE
Depending on the version, the trailer is
equipped with one of the three main brake
types:
• 2-line pneumatic system - figure (3.4).
• 2-line pneumatic system with ALB -
figure (3.5)
• hydraulic brake system - figure (3.6).
The main brake is activated from the
tractor driver's cab by pressing on the
brake pedal. The purpose of the control
valve (1) - figure (3.3) used in pneumatic
systems is to actuate the trailer brakes si-
multaneously with the tractor brakes. Fur-
thermore, if a line between the trailer and
the tractor gets disconnected inadvert-
ently, the control valve will automatically
activate the trailer brakes.
To released the trailer brakes (automatically
C
B
A
259-G.19-1
1
4
2
3
Figure 3.3 Control valve and braking force
regulator
(1) control valve (2) braking force
regulator (3) brake release
button (4) adjustment lever
(A) “NO LOAD” position
(B) “HALF LOAD” position
(C) “FULL LOAD” position
623-G.03-1
1 2
1 2
4 2
2-1
4
1
2
4
2
1
2
1
Figure 3.4 Diagram of 2-line pneumatic braking system