Disassembly-assembly manual for tractor BELARUS-1221.2/1221
В
.2/1221.3/1221.4
140
4.9 Dismounting of components of two-wire pneumatic drive of trailer brakes on tractors
BELARUS-1221.2/1221.3
Attention:
Before starting disassembly of components of trailer brakes’ pneumatic drive, release
compressed air from the system. To do this, pull upwards ring for condensate release valve 6
(Figure 4, item 6).
Dismounting cylinder 10
(Figure 4.171):
а
) unscrew cap nuts 2 and 5,disconnect from cylinder 10 pipelines 1 and 4;
b) unscrew nuts 3, remove collars 9 and cylinder 10;
с
) unscrew checknut 8 and disconnect pressure regulator 7 from cylinder 10.
Figure 4.171
Dismounting brake valve 4
(Figure 4.172):
a) unscrew cap nuts 2 and 7, disconnect from brake valve 4 pipelines 3 and 8;
b) unpin pin 1 and tie-rod 5, pull out pin 1, remove tie-rod 5;
с
) unscrew bolts 6, remove brake valve 4
Figure 4.172
Summary of Contents for Belarus 1221.2
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