3
GEARBOX - PNEUMATIC SECTION
General CF65/75/85 series
1-24
If the GP switch (5) is moved to the low (L)
position, the range-change gear engaging
cylinder (2) is ventilated via connection 26,
causing the range-change gear engaging
cylinder to be moved to the low (L) position.
If the vehicle speed is lower than a certain value,
the electronic unit (4) will supply voltage to the
downshift protection valve (3). This causes the
electropneumatic valve to move to a different
position.
The air supply of the GP switch (5) is now
connected to the pneumatic valve.
It is now possible to switch the pneumatic
command from the gear lever range-change
switch (5) by means of connection point 26 of
the engaging cylinder (2) and hence to shift to
the low range.
4
ᓻ 200337
https://www.truck-manuals.net/
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