Mec 4069RT - Lift Vent Circuit

“4069RT” Service and Parts ManualMarch 2014
Page 1-18
SYSTEM DESCRIPTIONS
L IFT V ENT C IRCUIT
Vent lines to both cylinders provide a path to the tank for unpressurized hydraulic fluid
that has gone over the relief valves in the lift cylinders.
Figure 1-9: Lift Vent Circuit
ART_4592
Upper Lift
Cylinder
Later Machines with
upper vent hose
on upper cylinder.
Lower Lift
Cylinder