Malfunction and Remedies
Manual releasing of parking brake
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WARNING
Hazard of severe injuries from parts flung away with great force.
The parts inside the spring-loaded actuator are pre-stressed with great spring force
and may be flung away in case of improper opening and cause severe injuries to peo-
ple.
– Never open the spring-loaded actuator using force or improperly.
Maximum permissible hydraulic release pressure for spring-loaded actuator is
25 + 10 bar!
– Switch off engine and secure it against inadvertent starting.
– Secure the vehicle against rolling away using the two wedges.
– Take off screw-on cover (2).
– Screw the emergency release nut (3) ROPA item no. 018104800 to the specified
position on the adjusting screw (4) and hand-tighten.
– Put the ring wrench on the emergency release nut and turn it clockwise under sig-
nificant resistance (max. 100 Nm) until you feel the noticeable stop.
– The spring-loaded actuators are released, the vehicle is totally without brakes.
– The vehicle may be towed to the next workshop or a secure parking place under
compliance with the corresponding safety regulations.
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