952.5-0000010 OM
43
1 – diagram of passes shifting of the speed-increase gear unit; 2 – control lever of the
speed-increase gear unit; 3 – lever to shift ranges and gears of the GB; 4 – diagram of gearbox
ranges and gears shifting.
Figure 2.14.3 – Gearbox control with single-lever and speed-increase gear unit
ATTENTION:
YOU CAN ENGAGE THE FOURTH GEAR OF GB ONLY
IF THE II
nd
RANGE
OF GB IS SET!
ATTENTION: SHIFT RANGES AND GEARS OF THE GEARBOX ONLY WITH THE TRAC-
TOR STOPPED AND THE CLUTCH PEDAL FULLY DEPRESSED! PERFORMING TRANS-
PORT OPERATION IT IS PERMITTED TO SHIFT GEARS IN MOTION FROM THE SECOND
TO THE THIRD, FROM THE THIRD TO THE SECOND WITHIN THE I
st
AND THE II
nd
RANGE, AND ALSO FROM THE SECOND TO THE FOURTH, FROM THE FOURTH TO THE
SECOND, FROM THE THIRD TO THE FOURTH, FROM THE FOURTH TO THE THIRD
WITHIN THE II
nd
RANGE. THE SHIFTING SHALL BE CARRIED OUT AS THE TRACTOR
COASTS AND THE CLUTCH PEDAL FULLY DEPRESSED! ENGAGEMENT AND DISEN-
GAGEMENT THE FIRST GEAR, DOWNSHIFTING TO THE FIRST GEAR, ENGAGEMENT
AND DISENGAGEMENT THE REVERSE GEAR SHALL BE CARRIED OUT ONLY WITH
THE TRACTOR FULLY STOPPED AND WITH THE CLUTCH PEDAL FULLY DEPRESSED.
ATTENTION: PASSES OF THE SPEED-INCREASE GEAR UNIT CAN BE SHIFTED IN ANY GEAR OF
GB ONLY WITH THE TRACTOR STOPPED AND THE CLUTCH PEDAL FULLY DEPRESSED.
PERFORMING TRANSPORT OPERATION IT IS PERMITTED TO SHIFT PASSES OF THE
SPEED-INCREASE GEAR UNIT IN MOTION AS THE TRACTOR COASTS AND THE CLUTCH
PEDAL FULLY DEPRESSED!
The velocity diagram table of “BELARUS-952.5” tractor equipped with single-lever GB control
and speed-increase unit on tires of basic configuration is attached to the cab right window and
is shown in figure 2.14.4.
Figure 2.14.4 –
“BELARUS-952.5” tractor velocity diagram with single-lever GB
control and speed increase unit