How To Release Pressure Trapped In The Hydraulic System - Kubota U35-4 Operator's Manual

HOW TO RELEASE PRESSURE TRAPPED
IN THE HYDRAULIC SYSTEM
To avoid personal injury or death:
A Relieve residual
immediately after the engine has stopped.
1. Lower the attachments and the blade down to the
ground.
2. Turn the key to "STOP" position and shut off the
engine.
3. After stopping the engine, turn the key to "RUN"
position.
4. Set the pilot control lock lever to "UNLOCK" position.
(1) Pilot control lock lever
(2) Attachment control lever (left)
5. Move the operating lever to release pressure in the
hydraulic system.
[How to release pressure trapped in the AUX port]
1. Perform the above operations of 1 to 4.
2. Turn "ON" the AUX port enable switch.
(1) AUX port enable switch (Switch 3)
hydraulic pressure
(A) "UNLOCK"
(B) "LOCKED"
EXCAVATOR OPERATION
3. Make sure that the flow volume in all the AUX ports is
not minimized.
If the pressure is removed after minimizing the flow
volume in the AUX port, release pressure is not
removed completely and the hose coupler may be
unable to connect and disconnect.
(1) Flow volume in
AUX port display
(B) Maximum status of flow volume in AUX port
(C) Minimum status of flow volume in AUX port
45
(A) Flow volume in AUX port
(B) Maximum
(C) Minimum