Disassembly-assembly manual for tractor BELARUS-1221.2/1221
В
.2/1221.3/1221.4
141
Dismounting of connection heads 1 and 5
(Figure 4.173):
а
) unscrew cap nuts 3 and 7;
b) disconnect from connection heads 1 and 5 pipelines 4 and 8; and then unscrew connection
pipes 2and 6
c) remove connection heads 1 and 5.
Figure 4.173
Make assembly of components of the pneumatic drive of tractor trailer brakes in order reverse to
disassembly.
Attention:
After assembly check air tightness of the system, parameters of pressure regulator and
brake valve actuation. Design and principle of operation, procedure of check and adjustment are
described in operating manual enclosed with each tractor.
Summary of Contents for Belarus 1221.2
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