Kubota WSM STa-30, Workshop Manual

Page: 164 / 359

3-S7
ST
α
-30 · ST
α
-35, WSM TRANSMISSION
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING
Adjusting Neutral
1. Disengage the front wheel drive lever. (Drive only rear wheels.)
2. Lift the rear of the tractor so that the rear wheels are off the
ground and run the engine at low idling and drive only rear
wheels.
3. Slightly loosen the neutral holder mounting screw (3).
4. Rotate the neutral holder (2) clockwise to the rear wheels turn
reverse.
5. Then rotate it counterclockwise until wheels stop completely.
6. Put a mark on the frame aligning the groove (1) on neutral holder.
7. Rotate the neutral holder (2) counterclockwise so the rear wheels
turn forward.
8. Then rotate it clockwise until wheels stop completely.
9. Put mark on the frame aligning the groove (1) on neutral holder.
10.Hold the neutral adjuster so its groove is at the middle of the
marks and tighten the mounting screw (3).
NOTE
■
• Check the rear wheel stops with range speed 3 at max.
engine speed.
• When the wheels tend to turn forward, rotate neutral holder
clockwise.
• When the wheels tend turn reverse, rotate neutral holder
counterclockwise.
W1012386
HST Safety Switch
1. After adjust the HST neutral position, check the HST safety
switch (3).
2. Disconnect the HST safety switch connector (4).
3. Connect the leads of an ohmmeter to the HST safety switch lead
terminal.
4. Measure the resistance at HST is neutral position.
5. If 0 ohm is not indicated, adjust the HST safety switch setting
position with lock nuts (1) and (2).
IMPORTANT
■
• Be sure to check, the ohmmeter is indicated on infinity when
depress the speed control pedal for both forward and
reverse.
W1012629
(1) Groove
(2) Neutral Holder (3) Neutral Holder Mounting Screw
(1) Lock Nut
(2) Lock Nut (3) HST Safety Switch
(4) Connector
KiSC issued 11, 2006 A