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Case L780 - Central Control Valve Procedures; Connecting and Disconnecting Couplings

Case L780
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SECTION 3 - LUBRICATION AND MAINTENANCE
3-3
CENTRAL CONTROL VALVE
Connect and Disconnect “Plug in Coupling”
The Central Control Valve receives and distributes
the hydraulic oil equally to each side of the loader.
The quick couple connectors allow for quick
hydraulic hose change in case of failure.
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Disconnection
1. Remove the assembly stop.
2. Push the hose all the way in.
3. The coupling is now ready to disconnect.
4. Pull the hose back for disconnection.
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Connection
1. Make sure that the assembly stop is in place.
2. DO NOT connect the plug without the assembly
stop.
3. Push the hose all the way in until the assembly
stop touches the socket.
4. Make sure that there is no space between the
assembly stop and the socket.
5. Try to pull apart the coupling in order to make
sure that the hose is locked.
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