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Humbaur HBT - Page 83

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Operation: chassis
85
Raising and lowering system for height equalisation (option)
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Raising the trailer
WARNING
Impermissible vehicle height
The driving height of the trailer can be set
too high for street traffic.
This negatively affects the driving
performance.
The trailer can exceed the maximum
height of bridges, lights and
underpasses, causing collisions.
Check that the driving height of the
trailer is not exceeded before
departing.
Observe the national regulations.
Check that the lifting/sinking valve is in
drive position before departing.
NOTICE
Impermissible vehicle height
Incorrectly set driving height can lead to
increased tyre and brake system wear.
Check that the lifting/sinking valve is in
drive position before departing.
Fig. 26 Raising the trailer
1 "Raise" position
2 “STOP” position
Press the turning lever inwards and
turn it anti-clockwise towards the
"Raise" icon (Fig. 26/1).
This raises the trailer.
When the height has been achieved,
turn the turning lever back one stage
into the "Stop" position (Fig. 26/2).
The trailer stays at the desired height.
Lowering the trailer
Fig. 27 Lowering the trailer
1 "Lower" position
2 STOP” position
Press the turning lever inwards and
turn it clockwise towards the "Lower"
icon (Fig. 27/1).
This lowers the trailer.
When the height has been achieved,
turn the turning lever back one stage
into the "Stop" position (Fig. 27/2).
Check that the air bellows have rolled
carefully over the piston.
If necessary, raise and lower the
trailer again.
F - 029
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F - 030
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