HYDRAULIC SYSTEM
L4100, WSM
8-S20
(EU)
(4) Relief Valve
Relief Valve
1. Remove the plug (9), and draw out the spring (5) and the poppet
(4).
2. Take out the valve seat (3).
(When reassembling)
• Take care not to damage the O-rings.
IMPORTANT
• After disassembling and assembling the relief valve, be
sure to adjust the relief valve setting pressure.
9Y1210278HYS0025US0
(5) Cylinder Safety Valve
Cylinder Safety Valve
1. Remove the cylinder safety valve assembly (7).
2. Secure the cylinder safety valve assembly with a vise.
3. Loosen the lock nut (2), and remove the adjust screw (1).
4. Draw out the spring (3), seat (4), and ball (5).
(When reassembling)
• Install the cylinder safety valve to the hydraulic cylinder block,
taking care not to damage the O-ring.
IMPORTANT
• After disassembling and assembling the cylinder safety
valve assembly, be sure to check the operating pressure.
9Y1210278HYS0026US0
Tightening torque
Relief valve plug
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
(1) Front Hydraulic Block
(2) Cap
(3) Valve Seat
(4) Poppet
(5) Spring
(6) Adjusting Shim
(7) Washer
(8) O-ring
(9) Plug
Tightening torque
Cylinder safety valve
assembly
40 to 49 N·m
4.0 to 5.0 kgf·m
29 to 36 lbf·ft
Cylinder safety valve lock
nut
59 to 78 N·m
6.0 to 8.0 kgf·m
44 to 57 lbf·ft
(1) Adjust Screw
(2) Lock Nut
(3) Spring
(4) Seat
(5) Ball
(6) Housing
(7) Safety Valve Assembly
KiSC issued 08, 2012 A
Summary of Contents for Kubota L4100
Page 1: ...L4100 WORKSHOP MANUAL TRACTOR KiSC issued 08 2012 A...
Page 3: ...I INFORMATION KiSC issued 08 2012 A...
Page 9: ...INFORMATION L4100 WSM I 5 EU 9Y1210278INI0002US0 KiSC issued 08 2012 A...
Page 13: ...INFORMATION L4100 WSM I 9 EU Mid mount type ROPS 9Y1210278INI0006US0 KiSC issued 08 2012 A...
Page 14: ...G GENERAL KiSC issued 08 2012 A...
Page 67: ...1 ENGINE KiSC issued 08 2012 A...
Page 130: ...2 CLUTCH KiSC issued 08 2012 A...
Page 160: ...3 TRANSMISSION KiSC issued 08 2012 A...
Page 161: ...CONTENTS 1 STRUCTURE 3 M1 MECHANISM KiSC issued 08 2012 A...
Page 201: ...4 REAR AXLE KiSC issued 08 2012 A...
Page 202: ...CONTENTS 1 STRUCTURE 4 M1 MECHANISM KiSC issued 08 2012 A...
Page 210: ...5 BRAKES KiSC issued 08 2012 A...
Page 211: ...CONTENTS 1 STRUCTURE 5 M1 2 OPERATION 5 M2 MECHANISM KiSC issued 08 2012 A...
Page 224: ...6 FRONT AXLE KiSC issued 08 2012 A...
Page 225: ...CONTENTS 1 STRUCTURE 6 M1 2 FRONT WHEEL ALIGNMENT 6 M2 MECHANISM KiSC issued 08 2012 A...
Page 245: ...7 STEERING KiSC issued 08 2012 A...
Page 264: ...8 HYDRAULIC SYSTEM KiSC issued 08 2012 A...