Massey Ferguson 5400 - Issue 1.a
11B10.11
AUTOTRONIC 5 - Description
E . Power Shuttle principles
Block diagram
Part list (Fig. 3)
(CAB9) Autotronic 5
(TR25) Gearbox input speed sensor
(56) Top of clutch pedal switch
(CAB18) Bottom of clutch pedal switch
(CAB17) Clutch pedal potentiometer
(49) Dashboard indicator lights (Forward and Reverse)
(CAB12)Power Shuttle 3-position analog shift lever
(TR22) Reverse solenoid valve
(TR23) Forward solenoid valve
The Autotronic 5 automatically controls the Power-
Shuttle according to information received from various
sensors and the request from the driver.
Several mechanical, hydraulic and electrical compo-
nents being involved in the operation of the Power-
Shuttle; it may be necessary to carry out a clutch
calibration (see GUF514) when replacing one of them.
A permanent autodiagnostics carried out by the
Autotronic 5 in relation to the Power Shuttle allows an
idea of any fault to be indicated by the flashing of the
reverse indicator light on the dashboard (see GUF513).
49
56
CAB9
TR22
TR23
CAB12
CAB17
CAB18
TR25
MA-11-01296A
Fig. 3
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