3-S17
L3130 · L3430 · L3830 · L4630 · L5030, WSM
TRANSMISSION
4. CHECKING, DISASSEMBLING AND SERVICING
[1] MANUAL TRANSMISSION MODEL
(1) Checking and Adjusting
Operating Pressure of PTO Clutch Valve
1. Start the engine and warm up the transmission fluid, and then
stop the engine.
2. Remove the plug (1) (PT 1/8) on the PTO valve spool (2).
3. Set the pressure gauge.
4. Start the engine and measure the pressure.
5. For adjustment use the pressure reducing valve adjustor (3) of
the regulating valve assembly (5).
• Do not connect the universal joint of the implement to the
tractor PTO shaft while testing.
Condition
• Engine speed ........ Idling speed
• Oil temperature ...... 40 to 60 °C
104 to 140 °F
(Reference)
• Turn to clockwise direction → Pressure is increased
• Turn to counterclockwise direction → Pressure is decreased
W1012774
PTO operating pressure
When PTO shift lever
is “ENGAGED”
position
2.30 to 2.50 MPa
23.5 to 25.5 kgf/cm
2
334 to 363 psi
When PTO shift lever
is “DISENGAGED”
position
No pressure
(1) Plug (PT 1/8)
(2) Spool
(3) Pressure Reducing Valve Adjustor
(4) Regulating Valve Adjustor
(5) Regulating Valve Assembly
To Next Page
Loading...
Need help?
General
