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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с ) replace three boxes of fuses and replace cover.
To replace relay installed on bar 2 (Figure 11.25) do the following:
а ) remove bar 2 and to do this:
1) unscrew screw 5 and screw 8, having disconnect from relay carrier socket and wires;
2) unscrew screws for fastening corresponding relays (one for each) and replace relay.
When mounting relay back in place and connecting wires and harness strictly follow electrical wiring
diagram.
To replace sealant 3 (Figure 11.25) unscrew two screws 4 and two screws 5 that fasten panel 4, and
after that raise the panel and replace sealant.
Replacing other components:
а ) to replace boxes of fuses 2, 3, 4 (Figure 11.26) disconnect wires from them, then unscrew
screws 1 that fasten them and replace corresponding box
ATTENTION . When putting boxes of fuses back in place, strictly follow electric wiring diagram
given in the operation manual of this tractor.
b) to replace rear wall 5 first unscrew four bolts 6 that fasten it, and replace the wall;
с ) to replace resistor for feeding generator 7 disconnect wires from it, then unscrew two screws 8 and
replace the resistor.
ATTENTION . When replacing resistor strictly observe its orientation.
d) to replace sound signal relay 9 first unscrew screw т 10 that fastens relay, then remove harness
carrier socket from it, and replace the relay;
e) to replace harness 11, 12 disconnect harness wires from elements, unbend clamps that fasten
harness, unscrew four screws that fasten harness, unscrew four screws that fasten connectors and
replace harness.
ATTENTION: When connecting wires of harness to dashboard elements, strictly follow electrical
wiring diagram given in the operation manual of this tractor.
.