Fault Tracing, Power Take -Off Control - Valtra 6000 Workshop Manual

34. Autocontrol ---III
MAIN CLUTCH (A2C/18)
CLUTCH PEDAL
(U=UP , D=DOWN)
STEERING ANGLE (A2C/15)
FRONT WHEELS
--- If the marks above the thick lines agree with the corresponding marks on the computer display, the input signals are OK.
--- If the marks on the computer do not agree with the marks above the thick lines with given switch, pedal and steering wheel
positions, the fault lies in the switch or sensor in question or their wirings are faulty.
--- Input signals from the radar, front axle sensor and rear wheel sensor are checked with the calibrating test, see page 341/1 or
according to the instruction F on page 342/7.
Output signals from ECS for controlling differential lock (DIGITAL OUTPUTS)
DL SOLENOID AND LAMP (A1C/37)
DL A/M
DL MANUAL 1/0
--- If the marks above the thick line agree with the corresponding marks on the computer display, the possible fault lies in the
solenoid valve or indicating light or their wirings are faulty.
--- If the output signals on the PC display differ from the marks in the table above, the central processing unit (ECS) is faulty and
should be changed.
D. Fault tracing, power take ---off control
Input signals to ECS for controlling power take ---off (DIGITAL INPUTS)
PTO 540 1/0 (A2C/11)
PTO 1000 1/0 (A2C/12)
PTO 1/0 (A2C/13)
PTO 540 ON/OFF
PTO 1000 ON/OFF
PTO ON/OFF
--- If the marks above the thick line agree with the corresponding marks on the computer display, the input signals are OK.
--- If the marks on the computer do not agree with the marks above the thick line with given switch positions, the fault lies in the
switch in question or its wiring is faulty.
--- The engine speed sensor and the PTO speed sensor are checked according to the instructions on page 341/1 or according
to instruction F on page 342/7.
15. 6. 1992
1 0
U D
0 1
STRAIGHT TO RIGHT
0 1
M M
OFF ON
0 1
0 0
0 0
OFF ON
OFF OFF
OFF OFF
375
Model Code
6600E, 8100E
1
10˚ TO LEFT 10˚
1 0
0 1
1 0
ON OFF
OFF ON
ON OFF
Page
342 5
0
1
1
OFF
ON
ON