Minsk Tractor Works Belarus 1221.2, Руководство по разборке и сборке

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Disassembly-assembly manual for tractor BELARUS-1221.2/1221 В .2/1221.3/1221.4
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11.10 Control of engine MMZ 1221.4 – 8700910- М , mounted on tractors BELARUS 1221.4
To replace engine control elements mounted on panel 6 , do the following:
а ) unscrew sex screws 9 for fastening panel 6;
b)extract panel 6 with elements fixed to it and connected harness 2, 10 from seat on the right-side
post plate;
с ) disconnect connector of harness 3 or 8 from the corresponding element;
d) remove element from panel 6, where necessary, unscrew screws that fasten it to the panel;
e) mount new element on panel 6, where necessary, screw up screws that fasten it to panel;
f) connect to it connector of harness 3 or 8;
g) install panel 6 as an assembly with mounted elements and connected harness 3, 8 inside seat
of the right-side post plate;
h) screw up screws 7 to fasten panel 6.
1 – harness for power supply to switching and protection unit of series 1000; 2 – cabin harness; 3
– engine harness; 4 – electronic pedal; 5 – information monitor; 6 – control panel; 7 – screws for
fastening control panel; 8 – harness of socket and lighter; 9 – sensor of manual fuel supply; 10 –
arml; 11 – screws for fastening unit of switching and protection of series 1000; 12 – unit of switching
and protection of series 1000
Figure 11.20 Control of engine MMZ (electronic section)