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bination can be switched between 170 bar (low
pressure) and 250 bar (high pressure).
The hydraulic line connections have screw cou‐
plings of either 1 inch or DN 20.
The hydraulic system of the tractor/semitrailer
combination is filled at the factory with a hydrau‐
lic fluid from HLP (HLP-D 22) (
Before operating a tipper semitrailer, observe the
following information:
the operating pressure of the hydraulic sys‐
R
tem of the tractor/semitrailer combination
does not exceed the maximum permitted
operating pressure of the trailer hydraulic sys‐
tem
the hydraulic connections of both hydraulic
R
systems are compatible
the trailer hydraulic system's hydraulic fluid
R
matches that of the hydraulic system of the
tractor/semitrailer combination
Controls
1 Lower tipper body
g STOP – stop the tipping or lowering move‐
ment
2 Raise tipper body
3
Control lever with pull ring
page 296).
/
1 Operating position, low pressure (LP) 170 bar
2 Operating position, high pressure (HP)
3
4
Connecting/disconnecting hydraulic lines
Keep the hydraulic lines such that they can man‐
age all movements when cornering etc. without
tensioning, kinking or rubbing. Before connecting
the hydraulic lines, make sure that their threaded
couplings are compatible with the sockets on the
towing vehicle. Do not use any tools when con‐
necting the hydraulic lines and do not climb on
any part of the vehicle.
Before coupling and decoupling the hydraulic
lines, the hydraulic system of the tractor/semi‐
trailer combination must be depressurised and
the trailer's tipper body should be fully lowered.
The hydraulic system of the tractor/semitrailer
combination is only depressurised if the control
lever in the cab is in the centre position (STOP)
and the power take-off is disengaged. A few
drops of hydraulic fluid may escape when sepa‐
rating the hydraulic connections. Observe the
national work safety and accident prevention reg‐
ulations as well as the environmental protection
regulations.
Driving mode 293
250 bar
Operating lever
Tipper valve
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