3
GEARBOX - PNEUMATIC SECTION
General CF65/75/85 series
1-8
Function, downshift protection of
ZF gearboxes
Version CF75/85, production date < 2003-21
N
V
1
21
22
1
22 21
GV
GP
H
L
H
L
H
L
4
1
21
22
V300369
1
5
4
36
26
HL
25
2
+
If the range-change switch (5) on the gear lever
is shifted to the low-range preference, the “GP”
air-pressure valve will switch through to
connection point 21. This air pressure is now
applied to connection point 4 of the
electropneumatic valve (3).
If the vehicle speed exceeds a particular value,
the electronic unit (4) will interrupt the
connection between the electropneumatic valve
(3) and the power supply.
4
ᓻ 200337
https://www.truck-manuals.net/
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