Operation Manual
BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601,
WSM
BACKHOE
(8)---~+-
3TVAAACNP048B
(7)
(8) (9) (10)
(11
)(12) (13)
&
L R
Dipperstick
Cylinder, Boom,
Boom
Cylinder
and Hoses
1.
Disconnect the hydraulic hoses
and
remove the dipperstick
cylinder (4).
2.
Remove the pins (1), (3)
and
remove the boom cylinder (2).
3.
Remove the pin (6)
and
remove the boom (5).
4.
Remove the hydraulic hoses from the control valve.
(When reassembling)
• Lock the locking nuts to setting bolts at position where the
mounting bolt may still
be
rotated .
• Connect the hydraulic hoses at their original positions
and
be
sure to connect the hose angle
as
indicated table below.
Port Angle
of
Bent Tube
T,P
L 1.57
rad
(L 90
0)
A6, B6
R 1.83
rad
(R
105°)
P.B.
R 2.09 rad (R 120
0)
Ai,
A2, B1,
B2
R 0.17
rad
(R
10°)
(Reference)
• Color of type
Port
Color
Ai,
B1
Red
A2,B2
Orange
A3, B3 Green
A4.B4
White
A5.B5
Yellow
• NOTE
• P
port
is
short
hose
without
sleeve.
• T
port
is
long
hose
with
sleeve.
(1)
Pin
(30 x 142 mm)
(2) Boom Cylinder
(3)
Pin
(30 x 169 mm)
(4) Dipperstick Cylinder
(5) Boom
(6)
Pin
(1.18 x 7.96 in.)
(7) T Port (Tank)
(8)
A1
Port (Rod Side of Bucket
Cylinder)
(9) A2 Port (Rod Side of Dipperstick
Cylinder)
(10) A3 Port (Bottom Side of Stabilizer
Cylinder RH)
(11)
A4 Port (Bottom Side
of
Stabilizer
Cylinder LH)
(12) A5 Port (Bottom Side
of
Boom
Cylinder)
(13) A6 Port (Rod Side of Swing
Cylinder)
(14)
P.B.
Port (Power Beyond)
(15) B6 Port (Bottom Side of Swing
Cylinder)
(16) B5 Port (Rod
Side of Boom
Cylinder)
(17) B4 Port (Rod Side
of
Stabilizer
Cylinder
LH)
(18) B3 Port (Rod Side of Stabilizer
Cylinder RH)
(19) B2 Port (Bottom
Side
of
Dipperstick
Cylinder)
(20) B4 Port (Bottom Side of Bucket
Cylinder)
(21) P Port (Pump)
a:
Bottom
Side
of
Bucket
Cylinder
b:
Bottom
Side
of
Dipperstick
Cylinder
c:
Rod Side
of
Boom
Cylinder
d;
Rod Side
of
Bucket
Cylinder
e:
Rod Side
of
Dlpperstick
Cylinder
f:
Bottom
Side
of
Boom
Cylinder
L:
Installation Angle
R:
Installation
Angle