Kubota WSM L3540-II User Manual

HYDRAULIC SYSTEM
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
8-S11
[3] RELIEF VALVE AND SAFETY VALVE
Relief Valve Setting Pressure Test Using Pressure Tester
(Coupler)
1. Install the relief valve set pressure adaptor to the quick coupler
and then install a pressure gauge (Code No. 07916-50322),
cable (Code No. 07916-50331).
2. Start the engine. Set the engine speed (Refer to Condition).
3. Set the front loader control valve operation lever to the Left
position and read the pressure gauge when the relief valve is
actuated.
4. If the pressure is not within the factory specification, adjust the
shim (2).
Condition
• Engine speed
Approx. 2700 min
-1
(rpm) (Except L5040-II, L5240-II)
Approx. 2600 min
-1
(rpm) (L5040-II, L5240-II)
• Oil temperature
40 to 60 °C (104 to 140 °F)
(Reference)
• Thickness of shims (2)
0.1 mm (0.0039 in.)
0.2 mm (0.0079 in.)
0.4 mm (0.0157 in.)
• Pressure change per 0.1 mm (0.0039 in.) shim
Approx. 264.8 kPa (2.7 kgf/cm
2
, 38.4 psi)
9Y1211167HYS0008US0
Tightening torque Relief valve assembly
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
Relief valve setting
pressure
Factory
specifica-
tion
L3540-II
17.1 to 18.1 MPa
175 to 184 kgf/cm
2
2480 to 2620 psi
L4240-II
L5040-II
L5240-II
L5740-II
18.1 to 19.1 MPa
185 to 194 kgf/cm
2
2630 to 2770 psi
(1) Relief Valve
(2) Shim
(3) Plug
(4) Spring
KiSC issued 02, 2015 A

Kubota WSM L3540-II Specifications

General

Brand	Kubota
Model	WSM L3540-II
Category	Tractor
Language	English