Disassembly-assembly manual for tractor BELARUS-1221.2/1221
В
.2/1221.3/1221.4
205
2) unscrew bolts 16 for mounting valve of reverse 17;
3) dismount valve of reverse 17;
Disassembly-assembly of reverse valve:
1) having unscrewed locking nut 2 (Figure 7.7), unscrew lever 1 off control valve 5 and remove
stopper 3;
2) loosen nuts 7 and unscrew stops 6;
3) having unscrewed screws 8 take stopper 9 out of boring of control valve 5;
Figure 7.7
Dismounting of sealing rings:
а
) move control valve 5 (Figure 7.8) towards side “B”
by 7…8 mm, maximum!
(to avoid cutting
rings 3 and 4 against sharp edges of three inside openings in the body);
b) extract from groove 2 of control valve sealing ring 5 and protective ring 6;
с
) shift control valve from the body to opposite side “
А
”;
d) extract from groove 1 of control valve sealing ring 4 and protective ring 3;
Figure 7.8
Summary of Contents for Belarus 1221.2
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Page 138: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 137 Figure 4 167 ...
Page 203: ...Disassembly assembly manual for tractor BELARUS 1221 2 1221В 2 1221 3 1221 4 202 Figure 7 5 а ...