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Installation
4.9
Purging the cylinders
Purge the lift cylinders by lowering the platform all the way to the ground a few times. It may be necessary to
raise the truck to allow the platform to be lowered completely.
Purge the tilt cylinders by tilting the platform all the way up to the vehicle body and then all the way down.
4.10
Platform tilt speed
The downward tilt speed of the platform when operating within its working range (from 45° downwards) must
not exceed 4°/second.
4.10.1
Setup
1. Put the platform at an angle of 45°.
2. Run the "Tilt down" function without using the 2H function and at the same time see how long it takes for
the platform to reach horizontal position.
3. Calculate the tilt speed of the platform by dividing the number of degrees (45°) by the time taken. The result
must not be greater than 4°/second.
4. If necessary, adjust the tilt speed using the knob on the hydraulic unit. The knob is fastened with a check nut.
Then repeat steps 1-4 until the desired tilt speed is attained. Fasten the check nut once setup is complete.
m
WARNING!
The downward tilt speed of the platform when operating within its working range (from 45
°
exceed 4
/second. Higher speed means an increased risk of personal injury.
h
h = 4°/s
=4°/s
max
max.
Image 56. Setting the tilt speed downwards within the working range (from 45° downwards)
4.10.2
Quick opening
The quick opening function is activated if the 2H button is held in at the same time as the buttons for the "Tilt
down" function are held in, provided that the angle of the platform is then outside the working area (i.e. above
45°). As long as these buttons are held in, the platform will be tilted downwards at the highest possible speed
to -10º. In this way, the time for opening the platform from vertical to horizontal position can be minimised
without sacrificing safety.
34
45°
45º
ZN 2500-130/150
°
downwards) must not
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