The piston, fastened to the piston rod with spring wire is fitted with oil seals and
wearing on its outer periphery.
At the bottom of the lift cylinder there is a cut-off valve, which operates when the
high-pressure hose bursts for any reason to prevent the load from dropping abruptly.
There are steel-backed bearing and oil seal assembled on cylinder head to support
the piston rod and prevent the dust. The diagram of lift cylinder is referred to Fig7-4.
Fig.7-4 Lift cylinder
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