MASSEY FERGUSON 5400 - Page 803

Wintest - Issue 5.a
GUF514.3
AUTOTRONIC 5 - Power Shuttle - Calibration and adjustments
A . Calibrating the Power Shuttle
The calibration of the Power Shuttle is mandatory
where the following components are changed:
- a Power Shuttle solenoid valve
- the Power Shuttle hydraulic control unit
- the Power Shuttle unit or one of its components
- the Autotronic 5
Calibration is automatic, which allows a deft and
smooth quality of shuttling.
Preliminary operations
NOTE : To authorise entry into calibration mode, the
transmission oil temperature must be:
35 / 45° C : the temperature is measured by the
gearbox cover sensor and can be read using Wintest or
by a direct reading of a specific instrument panel
display (Fig. 1).
To enter direct read mode:
N
OTE : The user has a maximum 0.5 second delay
between each operation to enter this mode.
- move Power Shuttle lever to neutral position
- move gear lever to neutral position
- move Power Shuttle lever to forward or reverse posi-
tion
- press the Hare / Tortoise control switch 4 times
- move Power Shuttle lever to neutral position
- the display appears on the instrument panel (Fig. 1).
To exit direct read mode, repeat the procedure used to
enter direct read mode, or stop the engine.
N
OTE : The tractor can always be used when in
temperature direct read mode, but the position indi-
cator light displayed corresponds with the tempera-
ture.
Calibration autorisation:
- from 36 to 39°C: calibration authorised
- from 39 to 44°C: optimum calibration
- from 44 to 46°C: calibration authorised
Gearbox cover
temperature
Flashing indicator light
Reverse
indicator light
Forward
indicator light
< 15°C
ON at 95% OFF
= 25°C
ON at 50% OFF
= 34°C
ON at 5% OFF
from 35°C to 45°C
ON ON
= 46°C
OFF ON at 5%
= 55°C
OFF ON at 50%
= 65°C
OFF ON at 95%
0000000
5 25
25
20
20
15
15
10
10
RPMx100
MA-11-01282A
Fig. 1