BELARUS-1221.2/1221
В
.2/1221.3 Operating controls and instruments
45
1.15 Connection of the combina-
tion meter
To integrate the combination meter to
the instrumentation system, the rear
panel is provided with two blocks
Х1 and
Х2 (Fig. 8).
The purpose of the contacts of the
blocks of the combination meter is
shown in Tables 15, 16.
Fig. 8. Blocks for connecting the combination
meter (rear view):
Х1
– 9-contact block;
Х2
– 7-contact block.
Block
«Х1»
Table 15
Contact
Address
1
To the instrument backlight switch
2
To the “–” terminal of the battery
3
Monitoring the storage battery charg-
ing
4
Buzzer
5
To the sensor of the oil pressure in
the en
gine (ВР1)
6
To the sensor of the emergency tem-
perature of the engine cooling fluid
(SК1)
7
To the sensor of the emergency oil
pressure in the engine (SP2)
8
To the sensor of the cooling fluid
temperature (BK1)
9
To the “+” SB terminal (12 V)
Block
«Х2»
Table 16
Contact
Address
1
Reserved
2
Reserved
3
To the fuel level sensor (BN1)
4
To the gearbox oil pressure sensor (not
used)
5
To the sensor of emergency drop of the
air pressure (SP4)
6
To the sensor of the reserve fuel level
(BN1)
7
To the sensor of the air pressure (ВР2)
Summary of Contents for 1221.2
Page 1: ...BELARUS 1221 2 1221В 2 1221 3 1221 0000010РЭ OPERATORS MANUAL 2009 ...
Page 290: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 293 Electrical scheme of tractor connections ...
Page 291: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 294 Variants of tractor connections ...
Page 293: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 290 826 3805010 instrument board scheme ...