Operating The Auxiliary Ports; Activating The Auxiliary Port Function - Kubota U50-5 Operating Instructions Manual

Operation

Operating the auxiliary ports

The auxiliary port is used for hydraulic implements, such as a breaker. You can set the flow rate prior to operating
the auxiliary port. (Described in the "Flow rate setting" section (page 127))
The machine can be equipped with a single auxiliary port (AP 1) or in combination with two auxiliary ports
(AP 1+2). The operation features of the right and left control levers are configured according to the equipment at-
tached.
Only attachments approved by KUBOTA may be used. The attachments must be operated in accord-
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ance with the operating instructions supplied with them.
When using a breaker or other attachment for demolition work where material (e.g. asphalt) is re-
moved and can uncontrollably sputter away, personal protective equipment is to be worn at all times
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(safety shoes, safety helmet, eye protection, ear protection and, if necessary, a breathing mask). The
use of a gravel guard (front protective grid) is recommended. For excavation work with a cab, the
front window must be closed, in addition.
For power rating of the auxiliary ports, see the "Technical data" section (page 46).
Make sure that, before carrying out the activities in the auxiliary port connectors, the pressure relief
of the hydraulic equipment (page 131) and the auxiliary port connectors (page 131) has been carried
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out. Depending on the operation setting, the return change valve has to be set to the appropriate po-
sition (page 130).
The auxiliary ports may only be activated when an implement is attached.
If the auxiliary ports have not been in use over a long period of time, dirt may have accumulated on
the pipe connections. Before installing the attachment, drain approx. 0.1 l of hydraulic oil at each port.
Collect the drained hydraulic oil in a container and discard it in accordance with the valid environ-
mental regulations.

Activating the auxiliary port function

Turn the starter switch to the RUN position.

Start the engine (page 96) and idle it until the operating temper-

ature has been reached.
Lower the control lever lock.

Press the auxiliary port enable switch (1).

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