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Service Information
Description of Damage for Fault Messages
4.1.A1, 4.1.A5
Group
8
KDM
24/01
Farmer 400, Favorit 700, 900
Chap. No.
9700
Reg.
H
Doc. No.
000001
Intended for the personal use of the recipient only. Reproduction of disclosure requires our express consent.
3
For the workshop
The following table describes the electrical effects which can occur during checking
and their possible fault causes.
Yes
Voltage constant and current
moves towards zero
Change actuator unit
no
Yes
Voltage falls suddenly
Check power supply to actuator (+Ub)
No
Yes
Voltage constant and current
rises (up to 2500 mA)
Release emergency control on
suspicion and refit with slight
play.
Release tractor again.
a) Play in emergency control
Test actuator over entire adjustment range
(slight play approx 1mm) and reset if
necessary.
b) Repeat adjustment process.
If fault persists, establish adjustment angle.
If the actuator always cuts out at 120° ,
the speed limiter valve may be faulty.
c) If the actuator cuts out at another angle,
carefully remove the actuator from the
gearbox block (without twisting the control shaft)
and use your fingers to check the control shaft for
ease of movement. If difficult to move, then
open gearbox and check mechanically.
d) If the gearbox has no movement difficulty,
replace the actuator.
Marktoberdorf, 10.2001
AGCO GmbH & Co.
EKS - en
Johann-Georg-Fendt-Str.4
D-87616 Marktoberdorf
No