1523.6-0000010 OM
72
2.26.2 Creeper control on tractors with GB 24x12
The rules for creeper control on tractors with GB 24x12 are identical to creeper control on
tractors with GB 16x18.
With the help of a creeper, tractor speed is additionally reduced by 4,5 times at forward
travel gears of range “A” when the reduction unit lowest “L” or highest “H” pass, i.e. “A
L
”
and “A
H
”, is on, as well as at reverse travel gears of range “R” when the reduction unit
lowest “L” or highest “H” pass, i.e. “R
L
” and “R
H
”, is on.
ATTENTION: IN ORDER TO AVOID TRANSMISSION FAILURE AND OIL OVERHEAT-
ING IT IS NOT RECOMMENDED TO USE A CREEPER WHEN GEARS 5 AND 6 OF
RANGES “A
H
” AND “R
H
” ARE ON.
2.27 Gears and ranges shifting of GB 24
х
12
Against order your tractor can be equipped with gearbox 24
х
12 which provides twenty-four
forward speeds and twelve reverse speeds.
1 – shifting lever of GB ranges; 2 – gear and pass shifting lever of GB reduction unit; 3 –
diagram of GB reduction unit gear and pass shifting; 4 – diagram of GB range shifting; 5 –
button of GB reduction unit lower pass (L) activation; 6 – button of GB reduction unit higher
pass (H) activation; 7 – annunciator of GB reduction unit lower pass activation; 8 – annun-
ciator of GB reduction unit higher pass activation.
Figure 2.27.1 – Gearbox 24
х
12 control
Setting the required gear is performed with gear and pass shifting lever of GB reduction
unit 2 (figure 2.27.1) according to scheme 3.
Setting the required GB range is performed with shifting lever of GB ranges 1 according to
scheme 4.
Pressing button 5 or 6 on the shifting lever handle of GB reduction unit gear and pass 2
switches on a lower or a higher pass of GB reduction unit correspondingly. Indication of
the activated GB reduction unit pass is performed with annunciators 7 and 8 located on
lever 2 handle and on RADL control board, with FDA drive and PTO. Activation annuncia-
tor of GB reduction unit lower pass on lever 2 handle is green; activation annunciator of
GB reduction unit higher pass is red.
Activation of GB reduction unit pass “L” or “H” is only possible while setting gear and pass
shifting lever of GB reduction unit 2 into the position “Neutral”.
