KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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APPENDIX 1А
DIAGRAM OF THE PNEUMATIC SYSTEM OF K-744R3, K-744R4 TRACTORS
1 - pressure regulator; 2 - receiver; 3 - triple protection valve;
4 - two-section brake valve with pedal;
5, 8 - reverse-acting brake valve with manual control;
6 - acceleration valve;
7 - trailer brake control valve with single-wire drive;
9 - reference outlet valve; 10 - cut-out valve;
11 -
connecting head of "А" type; 12 - condensate drain valve;
13, 14 - pressure sensor; 15 - pneumatic switch;
16 - brake chamber with spring energy accumulator; 17 - hose
engine
compressor