Kubota WSM L3540-II, Workshop Manual, Page: 273 / 672

TRANSMISSION L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
3-S27
GST Valve Fine-adjustment
(Setting the function of proportional reducing valve)
NOTE
• When the ECU or GST valve is replaced, this adjustment is
required.
1. Push down both the display mode switch and the travel speed
switch at once, continue holding switches, and then start the
engine.
2. Select Mode F by the procedure from 3 to 5 which has been
described to previous page.
3. "P-VALVE" is displayed (b) and STEP-01 (c) is displayed the
three seconds after.
NOTE
• To make this adjustment, follow these steps in the exact
order described. (Otherwise the switch does not work to go
to next step. At "STEP-01" and "STEP-03", however, the
next step can be moved without their settings.)
• Push the display mode switch to move to the next step.
4. "STEP-01" (c) : Release parking brake.
5. "STEP-02" (d) : Set the engine speed at 1000 to
1400 min
-1
(rpm).
6. "STEP-03" (e) : Set front tires straight ahead.
7. "STEP-04" (f) : Operate the speed selection lever (GST lever)
as follows; disengaged the clutch, select "forward" with the
shuttle lever, and shift the GST lever from 1 to 12 several times.
Set the GST lever at the positions other than neutral.
8. "STEP-05" (g) : Set the GST lever to Neutral position.
9. "STEP-06" (h) : Set shuttle lever to forward and engage clutch.
10. "PUSH SW" (i) : Push the display mode switch for more than
three seconds.
11. "STEP-07" (j) : To preform this function the operator must be
seated on the tractor.
After a short delay the tractor will begin to move slowly. And
then, after it moves a little, the tractor stops automatically.
(Fine-adjustment is done.)
12. "OK" is displayed (k) : The setting has been preserved correctly
to the ECU.
13. "NG" is displayed (l) : The setting has not been correctly saved
in the ECU. Repeat the entire procedure.
9Y1211167TRS0019US0
(a) Mode Selection Display
(b) Information Display
(c) Setting Display-1
(d) Setting Display-2
(e) Setting Display-3
(f)
Setting Display-4
(g) Setting Display-5
(h) Setting Display-6
(i)
Adjusting Display
(j) Setting Display-7
(k) Correct Preserving Display
(l)
Incorrect Preserving Display
KiSC issued 02, 2015 A