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When unloading, pull the unloading hand lever, the oil return valve opens and
with the effect of the dead weight of the heavy goods and forks, the operational oil in
the piston cylinder flows back into the oil tank through the oil return valve, and when
the piston rod and the forks decline to the lowest position, the goods are unloaded
and the forks are withdrawn.
3. Operation conditions
The operation of SDA manual hydraulic stacker should meet following conditions:
1． Ambient temperature for operation：-25℃～+40℃.
2． The relative humidity of the environment should be less than 90%RH.
3． The stacker can only operate in an environment without rain and harmful gas
erosion.
4． The stacker can only operate indoor on level and solid ground.
4. Operation and maintenance
1. The oil must be filtered and clean and ensure sufficient oil quantity.
2. Before operation, inspection must be conducted for the stacker to ensure
the stacker is in normal condition and there is no loose component.
3．The goods should be smoothly distributed on the forks and no overload is
allowed.
4．After the operation is completed, the heavy goods should be unloaded and
the heavy goods are not allowed to be on the forks for a long time.
5．When lowering goods, the hand lever of the oil return valve should be
operated slowly and gently to avoid sudden declination during quick declination
process which causes unsafe situation. When lowering the goods quickly, the oil
return valve must not be closed suddenly as inertial acceleration is generated during
the process of quick declination. If that, a great force will be generated to damage the
components and goods.
www.BormannTools.com
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