892-0000010B OM
217
where
f
G
doubl. and
Z
G
doubl. are calculated loads for pressurization of tires during
operation of tires on doubled wheels.
Further according to the calculated loads from Table 3.1 of loading instructions, tire
pressure shall be determined (subsection 3.2.8 “Selection of tires internal pressure in de-
pending on operating conditions and load on the tractor axles”).
Calculation of tractor controllability criterion without water solution in front tyres
:
Calculation of tractor controllability criterion with water solution in front tyres:
, where:
Т
f
is load on front tractor axle, N;
k
f
is tractor controllability criterion;
M is tractor operational weight (when calculating, the weight of ballasts loads is not
taken into account in tractor operating weight М), kg;
m
3
is water solution weight in front tyres of tractor wheels, kg.
g is a value, equal to 9.81 m/s
2
.
ATTENTION: COUPLING OF THE IMPLEMENTS TO THE TRACTOR SHALL NOT
RESULT IN EXCESS OF PERMISSIBLE AXLE LOAD AND LOADS ON THE TRACTOR
TYRES!
ATTENTION: MINIMUM WEIGHT OF THE IMPLEMENTS COUPLED AND BAL-
LAST WEIGHTS USED SHALL ALWAYS MAKE NOT LESS THAN THE VALUES AT
WHICH LOAD ON THE FRONT TRACTOR AXLE IN THE STRUCTURE OF MTU ALWAYS
MAKES NOT LESS THAN 20% OF THE TRACTOR OPERATING WEIGHT, AND THE
CONTROLLABILITY CRITERION MAKES NOT LESS THAN 0.2!
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