Operation Manual

BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
BACKHOE
(2) Operation
• Neutral
B1
A1
B2
A2
B3
P
P.B.
P
P.B.
T
(11 )
A3
B4
A4
B5
A5
B6
A6
L- ______ ~----------------~
:a
3TAAAAGNP008A
P.B.
(8)
(1) Inlet Section
(2) Bucket Control Valve
(3) Dipperstick Control Valve
(4) Stabilizer RH Control Valve
(5) Stabilizer LH Control Valve
(6) Boom Control Valve
(7) Swing Control Valve
(8) Outlet Section
(9) Load Check Valve
(10) Spool
(11) Neutral Passage
P: Pump Port
T: Tank Port
P.8. : Power
8eyond Port
A1 : A1 Port
A2: A2 Port
A3: A3 Port
A4
:A4 Port
A5: A5 Port
A6: A6 Port
81: 81 Port
82: 82 Port
83: 83 Port
84: 84 Port
85: 85 Port
86: 86 Port
a: low Pressure
Pressure-fed oil from the hydraulic pumps are delivered into P port in the inlet section (8).
As the load check valves (9) are kept closed in the neutral position. oil flows along the notched section of the spools
(10) to the P.B. port through the neutral passage (11).
Then the oil is fed to the front loader valve or transaxle case and pipe from the P.B. port.
9-M3