MTZ 1220.3 - Page 33

MTZ 1220.1/1220.3 Section D . Operation controls and instruments
D13
Three electrical circuit fuse blocks are
mounted inside an instrument board. In or-
der to access the fuses unscrew 2 screws
and open instrument board cover.
Sixteen fuses protect the following trac-
tor electric circuits from overloads:
1. Stop signal (15 );
2. Cab dome light, rear working lights
and road-train sign lamps (15 );
3. Emergency alarm lamp (15 );
4. Front and rear windows wipers and
windscreen washer (25 );
5. Audible alarm (15 );
6. Working headlight (25 );
7. Front working lights (25 );
8. Fan-heater, PTO shaft control sys-
tems, rear axle differential lock en-
gagement system and FDA drive con-
trol system (25 );
9. Power supply to consumers, working
after switching the starter and instru-
ments into position “I” (25 )
10. Air-conditioner control (if installed
optionally instead of heater fan) (25 ).
11. Left marker lights (7,5 );
12. Right marker lights and instrument
board highlighting (15 );
13. Left road lamp lower beam (7,5 );
14. Right road lamp lower beam (7,5
);
15. Instruments, speed sensors power
supply (7,5 );
16. Turn signal relay, qlow plugs block
power supply, qlow plug relay winding
(15 )