EMERGENCYDEVICE
79
MUX20JP021602
BoomLiftModels X20JPLUS
Atthedistributorthereisalsothemainproportionalvalveaerialpart.Thevalve
isequippedwithamanualcontrolforthedriveincaseoffailure.
10.5.3.Trackedundercarriagehydraulicdistributor
Themeaningsoftheleversonthedistributoraredescribedbelow:
Fig.77 Knobactivationproportionalval‐
veaerialpart
Neveroper
atethemanualcontroloftheproportionalvalveduring
normaloperationofthemachine.
Fig.78 Controlsleftdistributor Fig.79 Controlsrightdistributor