DAF CF65, CF75, CF85 Series . Manual — part 313
3
CF65/75/85 series
Description of components
GEARBOX - PNEUMATIC SECTION
2-7
2.3 DOWNSHIFT PROTECTION VALVE
Version
CF75/85, production date < 2003-21
V300428
Pneumatic symbol
Connection
point
Function
1
Supply
4
Control pressure
21
High-range cut-in pressure
22
Low-range cut-in pressure
H
L
4
1
21
22
V300424
4
ᓻ 200337
3
GEARBOX - PNEUMATIC SECTION
Description of components
CF65/75/85 series
2-8
Version
CF75/85, production date ≥ 2003-21
V 300029
Pneumatic symbol
Connection
point
Function
1
Supply
4
Control pressure
21
High-range cut-in pressure
22
Low-range cut-in pressure
Operation
If the vehicle speed exceeds a particular value,
the coil of the electropneumatic valve is
interrupted.
Regardless of any pneumatic command from
the gear lever range-change switch to the
connection point (4), it is now no longer possible
to switch down to the lower range.
The air supply (1) to the electropneumatic valve
is only available when the gear lever, and hence
also the neutral position valve, is in the neutral
position.
H
L
4
1
21
22
V300144
4
ᓻ 200337
3
CF65/75/85 series
Description of components
GEARBOX - PNEUMATIC SECTION
2-9
2.4 HIGH/LOW RANGE ENGAGING CYLINDER
V300141
Pneumatic symbol
Connection
point
Function
25
Range-change gear high
26
Range-change gear low
Operation
The engaging cylinder controlling the
high/low section of the gearbox, receives its
supply via the electropneumatic protection valve.
This protection valve is operated by the selector
valve on the gear lever. The gear engaging
cylinder is located at the rear end of the
gearbox.
V300142
26
H
L
25
4
ᓻ 200337
3
GEARBOX - PNEUMATIC SECTION
Description of components
CF65/75/85 series
2-10
2.5 GEAR LEVER SELECTOR VALVE
Splitter-range switch A
Range change gear B
B
A
D000096
Pneumatic symbol
Position
Function
GP
Range-change gear
GV
Splitter
1
22
21
GV
GP
H
L
H
L
V300161
4
ᓻ 200337
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