(4) Hydraulic take off, wrong connection
If the lines between the gear pump and the hydraulic cylinder case are modified and a
connection is made that goes directly to the implement’s valve.
When the implement’s cylinder stops moving, due to an obstacle, and since there is no
relief valve in the hydraulic circuit, there is no place where the high-pressure hydraulic oil
can escape. Then, the high-pressure hydraulic oil will flow from the unload valve to the
transmission while applying high pressure to all of the hydraulic circuits.
CAUTION
The hydraulic circuit and other parts will be damaged.
The supply of external hydraulic pressure to an implement should only ever be
performed from the specified place.
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