MTZ 952.2 - Page 48

Controls and Instrumentation
MTZ series 900
17
Entering the parameters to be programmed:
1. To display correctly the tractor motion speed, it is necessary to program in the speci-
fied order the following parameters:
Parameter “Z” is the number of teeth of the pinions of the final shafts of the driving
wheels (right and left), over which the (rotational) speed sensors are installed;
Select from the Table:
Number
of teeth
(Z)
Tractor make
69
MTZ 590; 80.1; 890; 900;
922; 950
Parameter “I” is the multiplying factor of the gear rate of the wheel reduction gear;
Select from the Table
Gear ratio of the wheel reduction
gear (I)
Tractor make
1.000
MTZ 590; 80.1; 890; 900; 922; 950
Parameter “R”
R is the rear wheel rolling radius (mm);
Select from the Table
Tyre mark
16,9R30
18,4L30
15,5R38
9,5-42
18,4R34
(Ф-11)
16,9R38
18,4R38
Rk, m
0.698
0.720
0.755
0.730
0.770
0.800
0.830
Number
coded
700
720
755
730
770
800
830
2. To display correctly the engine rotational speed, it is necessary to program in the spec-
ified order the gear ratio of the alternator drive (parameter “K”) from Table 8-6: