5 -29
(12) Adjusting HST control linkage (HST type)
Run engine and place the range gear shift lever in the lowest speed position.
Check if the HST tractor stops by taking the foot off from the HST pedal while driving. If the tractor
does not stop, stop the tractor by using the brake pedals. And, adjust the neutral position of the HST
as below.
Adjustment of NEUTRAL set of
the HST control.
1. Stop tractor on a flat ground and stop the engine.
2. Lift the rear wheels of the tractor off the ground
sufficiently by using a hoist. If there is no hoist,
use the suitable device can lift the tractor safely.
For tractor weight, refer to “6. Dimension and
Specification” in this manual.
3. Place the 4WD lever to 2WD and apply the
wheel chock to the front wheels. It is necessary
for the tractor not to move when the engine
starts.
4. After loosening bolt(1) in half, adjust the height of
forward pedal and reverse pedal to be same by
turning shaft(2) to the left/right little by little. After
adjusting, tighten the bolt(1).
5. Start the engine after checking that HST neutral
switch is pressed by the linkage.
▶ When lifting the rear of the tractor, the tractor may incline to the left or right by
oscillating angle of the front axle. Insert the suitable chocks between the front axle
and engine frame tightly.
Caution
6. Loosen locking nut(5) and turn HST rod(6) slightly to the left or right with checking that rear axle
does not rotate anymore. Tighten the locking nut(5).
7. Check if HST neutral switch(3) is pressed or not. If the switch is not pressed, loosen bolt(4) and
adjust the position of HST neutral switch(3).
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