9-S18
BX24, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
BACKHOE
[2] BOOM, DIPPERSTICK, BUCKET, SWING AND STABILIZER CYLINDER
(1) Disassembling and Assembling
Cylinder 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, using care not
to damage the piston seal on the piston.
• Install the cylinder head to the cylinder tube, using care not to
damage the O-ring on the cylinder head.
W1021758
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, using care not to
damage the wiper seal (5) and oil seal (6).
W1021908
Tightening torque
Boom cylinder head
350 to 400 N·m
35.7 to 40.7 kgf·m
259 to 295 ft-lbs
Dipperstick cylinder,
stabilizer cylinder head
250 to 280 N·m
25.5 to 28.5 kgf·m
185 to 206 ft-lbs
Bucket cylinder head
200 to 230 N·m
20.4 to 23.4 kgf·m
148 to 169 ft-lbs
Swing cylinder head
246 to 274 N·m
25.0 to 28.0 kgf·m
181 to 202 ft-lbs
(1) Cylinder Head
(2) Piston Rod Assembly
(3) Cylinder Tube
(4) Adjustable Gland Nut Wrench
Tightening torque
Boom cylinder piston
mounting nut
200 to 230 N·m
20.4 to 23.4 kgf·m
148 to 169 ft-lbs
Dipperstick cylinder,
bucket cylinder, stabilizer
cylinder, piston mounting
nut
150 to 180 N·m
15.3 to 18.3 kgf·m
111 to 132 ft-lbs
Swing cylinder piston
mounting nut
216 to 245 N·m
22.0 to 25.0 kgf·m
159 to 181 ft-lbs
(1) Piston Rod
(2) Cylinder Head
(3) Piston
(4) Nut
(5) Wiper Seal
(6) Oil Seal
(7) O-ring
To Next Page
Loading...
Need help?
General
