5 -16
(12) Adjusting HST control linkage (HST type)
z Run engine and place the range gear shift lever in lowest range.
z Check if the HST tractor stops by taking the foot off from the pedal while driving.
If the tractor does not stop, stop the tractor immediately by using brake pedal. And, adjust the neutral
position as below.
z Adjustment of NEUTRAL setting 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 a suitable device to lift the tractor safely.
For tractor weight, refer to the section 6,
“Dimension and Specification” in this manual.
3. Place the 4WD lever to 2WD position 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 chock 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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