Belarus 1523, Operating Manual

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BELARUS-1523/1523 В /1523.3 /1523В.3 Construction and Operation
99
Rear Axle Differential lockup (Rear Axle DL) Control System
The rear axle DL control system consists
of a control panel (1) located in the trac-
tor cab, on the right side of the operator;
steering angle sensor (10) installed on
the FDA on the left-hand side; two ser-
vice brake engagement sensors (13) lo-
cated below the brake pedals; electrohy-
draulic distributor (6) installed on the
right-hand cover of GB and hydrualically
coupled to the rear axle DL friction
clutch; connecting cables (9) with a plug-
in socket (4) and terminal connectors
(12). The system is fed from the on-
board electric circuit through a safety
fuse box (2). The electric power is only
fed after starting the engine, from the
starting relay block (3).
Differential lockup (DL) control system for the rear axle and the frond drive axle (FDA):
1 – control panel; 2 – safety fuse box; 3 – starting relay block; 4 – plug-in socket; 5 – reverse sensor; 6 –
DB control electrohydraulic distributor, 7 – sensor of automatic engagement of the FDA drive; 8 – FDA
drive control hydraulic distributor; 9 – connecting cables; 10, 11
1
– steering angle sensors: +13 deg. and
+25 deg., respectively; 12 – connector terminals; 13 – service brake applied sensors; 14,16, 20 – warning
lights; 15 – FDA drive control selector switch; 17 – DL control selector switch; 18 – Front PTO (FPTO)
switch (if installed); 19 – horn switch (1523В) .
1
If installed