OPERATING INSTRUCTIONS RH 90 C E Inspection and servicing Electronic excavator control
Pedal
Joystick
Apply a thin layer of hydraulic oil regularly on the control spools of the pedals (arrows, Fig. 3-68:) to prevent jamming of the control spools.
Apply a thin layer of hydraulic oil regularly on the control spools of the joysticks (arrows, Fig. 3-67:) to prevent jamming of the joysticks.
Fig. 3-68: Fig. 3-67:
Make sure the hydraulic oil does not flow down along the control spools into the electronic control circuits where it might cause damage.
BA RH90C(3 720 760.00)-EN
Make sure the hydraulic oil does not flow down along the control spools into the electronic control circuits where it might cause damage.
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