Wintest - Issue 5.a
GUF514.4
AUTOTRONIC 5 - Power Shuttle - Calibration and adjustments
1. Bring the tractor up to temperature, for example:
Tractor stationary
- Run the engine, gear shift lever and Power
Shuttle levers in neutral, PTO clutch engaged.
- Then, move the Power Shuttle lever 10 times in
each direction, leaving the lever 5 to 10 seconds
in each position in order to bring the control unit
and solenoid valves up to transmission tempera-
ture.
- Measure and note the temperature.
Tractor moving
- Carry out reversing manoeuvres every 5 to 10
seconds, in Hare range 1st or 2nd gear.
- Measure and note the temperature.
2. Place the tractor on a hard even surface, free of
any obstacles 3 metres away at least.
3. The tractor must be free of any implements.
4. Stop the PTO, disengage the front axle.
5. Stop the engine.
6. Extinguish any headlights / road lights.
7. Put the gear shift lever and Power Shuttle lever
into neutral.
Automatic calibration
8. Apply the handbrake.
9. Start the engine.
10. Release the clutch pedal.
11. Increase engine speed to 1500 rpm ± 100 with the
hand throttle lever.
12. Shift into the Tortoise range without declutching.
13. Place the Power Shuttle lever in forward or reverse
position to reset the system and then leave it in
this position.
14. Choose the correct Speedshift ratio for equal
engine and intermediate speeds:
- Gearbox 30 kph: ratio D
- Gearbox 40 kph: ratio C
N
OTE: Access to Automatic calibration mode takes
place immediately following the above described
manoeuvres.
15. Simultaneously, and at least for 4 seconds, press:
- the button on the gear shift lever to activate the
Hare / Tortoise range switch (tractor shifts to
Hare range),
- the differential lock switch.
16. Entry into automatic calibration mode is then indi-
cated by the simultaneous flashing of the forward
and reverse indicator lights. Release the range and
differential lock switches.
17. Calibration takes approximately 5 minutes and is
complete when the 2 indicator lights stop flashing.
Only the indicator light of the selected position
flashes.
18. Disengage the clutch using the pedal and return
the lever to neutral position to complete and vali-
date the calibration of the Power Shuttle.
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