Kubota M5040 Workshop Manual page 215

M5040, M6040, M7040, WSM
Relief Valve Setting Pressure
IMPORTANT
• Do not connect the universal joint of the implement to the
tractor PTO shaft while testing.
• Set the main shift lever and shuttle lever in Neutral position.
• Set the parking brake lever in parking position.
1. Place the disassembling stand under the transmission case.
2. Remove the left rear wheel.
3. Place the disassembling stand under the left rear axle case.
4. Drain the fuel and remove the fuel tank.
5. Prepare the can (7) for fuel and put in the fuel hose (8) and return
hose (9).
6. Remove the plug (R1/8) (1) on the PTO valve (2).
7. Assemble the adaptor (R1/8) (4), threaded joint (5), cable (6) and
pressure gauge (3).
8. Start the engine and set the engine speed to maximum.
9. Engage the PTO clutch lever to the "ON" position, and measure
the pressure.
10.If only the pressure in the PTO clutch engaged position is low,
check the hydraulic PTO clutch system.
11.If the measurement is not within the factory specifications, loosen
the lock nut (10) and turn the screw (11) to adjust.
PTO pressure (when
PTO clutch lever is Factory spec.
"ON" position)
PTO pressure (when
PTO clutch lever is Factory spec.
"OFF" position)
Condition
• Engine speed : Approx. 2600 min
• Oil temperature : 45 to 55 °C
113 to 131 °F
(Reference)
• Turn the screw (11) clockwise direction → Pressure increase
• Turn the screw (11) counterclockwise direction → Pressure
decrease.
NOTE
• Plug thread size : R1/8
(1) Plug
(2) PTO Valve
(3) Pressure Gauge
(4) Adaptor
(5) Threaded Joint
(6) Cable
2-S9
CLUTCH
2.16 to 2.26 MPa
2
22 to 23 kgf/cm
312.91 to 327.14 psi
No pressure
-1
(rpm)
(7) Can
(8) Fuel Hose
(9) Return Hose
(10) Lock Nut
(11) Screw
W1075337
KiSC issued 06, 2008 A