MASSEY FERGUSON 5400 Service Manual page 754

AUTOTRONIC 5 - Description
Functions
Hare / Tortoise (Hi / Lo)
Functions
Power Take Off (PTO)
11B10.10
Driver action
Wants to change range using gear lever
switch
Driver action
Starts tractor with the PTO engaged
Starts the PTO
Starts economic PTO
Automatic response of the Autotronic 5
On passing into Tractor OK mode, it
selects the range engaged when placed
on standby.
Prohibits shifting from Hare to Tortoise
above 8 kph, and from Tortoise to Hare
above 13 kph
Automatic response of the
Autotronic 5
On passing into Tractor OK mode:
- solenoid valve = 0 V if the cab control
is engaged
- The PTO indicator light flashes in
sequence the error code 55
(see GUF513)
Manages the engagement progressivity
for 7 seconds maximum in relation to
the engine speed.
PTO indicator light flashes slowly.
PTO ON/OFF solenoid valve pulsed.
PTO engaged :
- indicator light is ON
- solenoid valve = 12 V
PTO disengaged :
- if engine speed drops more than 50%
or below 500 rpm:
- indicator light flashes in sequence
the error code 54 (see GUF513)
- solenoid valve = 0 V
Disengages the PTO if engine speed
above 1780 rpm
- indicator light flashes in sequence the
error code 57 (see GUF513)
- solenoid valve = 0 V
Massey Ferguson 5400 - Issue 1.a