Kubota RTV1140CPX, Workshop Manual

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HYDRAULIC SYSTEM
RTV1140CPX, WSM
7-S10
(2) Disassembling Hydraulic Cylinder
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.
9Y1210293HYS0006US0
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).
9Y1210293HYS0011US0
Tightening torque Cylinder head
200 to 230 N·m
20.4 to 23.4 kgf·m
148 to 169 lbf·ft
(1) Cylinder Head
(2) Piston Rod Assembly (3) Cylinder Tube
(4) Adjustable Gland Nut Wrench
Tightening torque Piston mounting nut
150 to 180 N·m
15.3 to 18.3 kgf·m
111 to 132 lbf·ft
(1) Piston Rod
(2) Cylinder Head
(3) Piston
(4) Nut (5) Wiper Seal
(6) Oil Seal
(7) O-ring
KiSC issued 05, 2014 A