2-33
Oil flow during combined operation
P1
From P3 side bypass passage
To P3 side parallel passage
The orifice of boom priority
Oil flows into P2 side parallel passage and
out of the tank passage through the bypass
passage in PTO comp.
Arm in
To P1 side parallel passage
To P2 side parallel passage
P3
P3 side (Connecting side) circuit
T1
T2
P3
T1
To cylinder rod side via A10 port
through bridge passage in bucket comp.
To B10 port
via cylinder head side
P1 side circuit(the orifice of boom priority)
To bridge passage
in boom comp.
Boom up
From P3 side bypass passage
To P2 side parallel passage
To P1 side parallel passage
From P3
connecting
comp.
P1
R35Z72MCV27