Operation 5
Behaviour in emergencies
7071_003-092
1
Emergency lowering
NOTE
If the load cannot be lowered from a raised
position due to a control failure, emergency
lowering is possible.
DANGER
Risk to life!
Do not walk underneath the raised
load!
NOTE
A 4-mm angle screwdriver is located on the
right-hand side of the valve block frame for
use when performing the following work (1).
NOTE
This angle screwdriver must remain in the
truck.
– Open the bonnet; see ⇒ Chapter "Opening
the bonnet", P. 5-55.
– Take out the angle screwdriver (1).
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2
– Unscrew the emergency lowering screw
(2) in the control block a maximum of 1.5
revolutions using the angle screwdriver.
WARNING
The load is lowered!
The speed can be controlled by the degree to which
the screw is unscrewed.
Unscrewed minimally: load is lowered slowly.
Unscrewed maximally: load is lowered quickly.
– Screw the emergency lowering screw (2)
back in after the load is lowered.
Tightening torque: max. 2.5 Nm
– Return the angle screwdriver (1) to the sup-
port mounting provided.
– Close the bonnet.
171673 [EN] 163
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