BA081101-en
3
1.6 Safety
Features
1.6.1 Controls
1.6.1.1
Dead Man's Type Control
The operator is required to hold the control in the engaged position to initiate and maintain a
particular operation.
1.6.1.2 Front
Rings
The control buttons are provided with front rings to prevent inadvertent actuation.
1.6.2 Roll-off
Protection
Once the runways are raised, the approach ramps rise and act as chocks.
1.6.3 Light
Barriers
1.6.3.1
Longitudinal Light Barriers (Pinch Point Protection)
The outside edges of the runways are equipped with light barriers. Once the light beam is
interrupted the lift stops immediately.
1.6.3.2
Transverse Light Barrier (Runway Synchronization Check)
This light barrier is used to check the runway synchronization. Once a certain level difference is
exceeded the lift stops immediately.
1.6.4 Protection
Bars
The surface mounted version is equipped with longitudinal protection bars.
1.6.5 Pressure
Relief
Valve
The working pressure is limited to a maximum of 260 bar by the pressure relief valve.
1.6.6 Seat
Valves
Positive-control seat valves at the hydraulic cylinders prevent sudden lowering movements in
case of a rapid pressure drop due to line break.
1.6.7 Safety
Latch
The safety latch prevents sudden lowering movements caused by pressure drop or cylinder
leakage.
Summary of Contents for DUO GN Series
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