Operation Manual
BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
FRONT LOADER
~(1)(2)
r (3)
~
1
-~
~
---~
3UFAAABLP035A
-----
(4)
3UFAAABLP036A
3UFAAABLP037A
(5) (6) (7)
3UFAAABLP038A
(2)
(3)
({(oj
(1
)
o
3UFAAABLP048A
Piston Rod Assembly
1.
Drain hydraulic oil from the cylinder, and secure the tube end
of
the cylinder
in
a vise.
2.
Unscrew the cylinder head (1) with the adjustable gland nut
wrench (4).
3.
Pull out the piston
rod
assembly (2) from the cylinder tube (3).
(When reassembling)
• Visually inspect the cylinder tube for signs
of
scoring or damage.
• Insert the piston rod assembly to the cylinder tube, not to damage
the piston seal on the piston.
• Install the cylinder head to the cylinder tube, not to damage the
a-ring
on
the cylinder head.
(1) Cylinder Head
(3) Cylinder Tube
(2) Piston Rod Assembly
(4) Adjustable Gland Nut Wrench
W1017050
Cylinder Head, Piston and Nut
1.
Secure the rod end in a vise.
2.
Unscrew the nut (4). and remove the piston (3) and cylinder head
(2) from the piston
rod
(1).
(When reassembling)
• Visually inspect all parts for signs
of
scoring or damage.
• Insert the piston rod to the cylinder head. not to damage the wiper
seal (5) and oil seal (6).
Boom cylinder piston
mounting nut
150t0180N'm
15.3 to 18.3 kgf'm
111
to 132 ft-Ibs
Tightening torque
Bucket cylinder piston
mounting nut
350 to 400
N'm
35.7 to 40.7 kgf'm
259 to 295 ft-Ibs
(1) Piston Rod (5) Wiper Seal
(2) Cylinder Head (6) Oil Seal
(3) Piston
(7) O-ring
(4) Nut
W1017322
Piston Seal and O-ring
1.
Remove the piston seal (2) and a-ring (3) from the piston (1).
• IMPORTANT
• When installing
the
O-ring (3) and piston seal (2)
to
the
piston
(1), use
the
slide
jig
and correcting
jig
as
shown
"S.
Special
Tools"
of
"GENERAL" section.
(1) Piston (3) O-ring
(2) Piston Seal
W1017590
8-S15