5 -30
(12) Adjusting HST control linkage (HST type)
- Conventional type HST (C-HST)
Check if the HST tractor stops when taking off your foot from the HST pedal while driving the tractor
in “Low speed” of the range gear shift lever. If the tractor does not stop and moves slowly, stop the
tractor with using the brake pedals. To adjust the neutral position of the HST models, contract your
authorized local dealer and comply with the following instructions.
①
②
③
④
⑤
⑤
⑥
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 a suitable device can lift the tractor safely.
For tractor weight, refer to the section 7,
“Dimension and Specification” in this manual.
3. Place the 4WD lever to “2WD” position and apply
wheel chocks to the front wheels. It is necessary
for the tractor not to move forward when the
engine starts.
4. After loosening bolt(1) slightly, adjust the height
of the 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 the HST
neutral switch is pressed by the linkage.
6. Loosen locking nuts(5) and turn the HST rod(6)
slightly to the left or right with checking that the
rear axle does not rotate anymore. Tighten the
locking nuts(5).
7. Check if the HST neutral switch(3) is pressed or
not. If the switch is not pressed, loosen bolt(4)
and adjust the position of the HST neutral
switch(3).
▶When adjusting, DO NOT get close to the rotating parts. It may cause a serious
injury.
▶When lifting the rear of the tractor, the tractor may incline to the left or right by
oscillating angle of the front axle. Insert suitable chocks between front axle and
engine frame symmetrically and tightly.
Caution
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