Minsk Tractor Works Belarus 1221.2, Disassembly-Assembly Manual

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Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
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11.7 Control of DI, FDA, PTO and reduction gear 1221-8700250-
Д (electrical part) mounted
on tractors BELARUS 1221.3
To replace switch
ВК 12-51 (sensor of turn angle of drive wheels), mounted on FDA left side
(during forward movement of tractor) do the following:
а ) turn drive wheels to the end left (right) side to the end;
b with diesel shut down disconnect harness cornector 4 (Figure 11.11) from switch 2;
с ) using wrench unscrew switch 2 from seat in FDA beam, remove adjustment shims 1.
1 – adjustment spacer; 2 – switch ВК 12-51; 3 – pipe; 4 – harness fir FDA and switch ВК 12-51; 5
– gasket; 6 – pin carrier socket; 7 – harness for engine; 8 – harness for cabin; 9, 11 – control lamp;
10 – FDA switch; 12 – DI switch; 14 – relay; 15 – panel; 16 – cover; 17 – screw; 18 – transmission
harness 19 – screw; 20 – switch; 21 –switch of PTO.
Figure 11.15 Control of DI, FDA, PTO and reduction gear (electrical part) mounted on tractors
BELARUS 1221.3