User Manual

Electric System LEXION 500 TIC
26a-2 Lex-e-26a 03/05
26a Machine monitor
Measured value table:
Item Component Measured value Remark
B123 Sensor 12 V
Signal = Earth
(Pin 1-3)
(Pin 2)
Z78 Pressure
switch
> 1250 "
< 500 "
Not actuated
Actuated
Key to diagram:
Coordinates
B123 Hydraulic oil temperature sensor........................................ 3-p-19
B127 Ground drive hydraulics metal detector sensor.................. 7-q-18
DI Warning device diode PCB ................................................. 4-i-20
H20 Rubber track tension signal light ........................................ 3-h-17
X13 3D / rear axle connector ..................................................... 6-p-16
K49 Road travel main relay ........................................................ 4-i-20
K52 Power supply relay .............................................................. 4-i-20
K56 Electronic unit plus relay ..................................................... 4-i-20
K67 Spare relay (rubber track tension)....................................... 4-i-20
Z9a Brake lining wear actual value switch ................................. 7-j-18
Z9b Brake lining wear actual value switch ................................. 7-j-18
Z12 Parking brake actual value switch ...................................... 5-g-19
Z19 Hydraulic oil level actual value switch (min.)...................... 3-p-19
Z20 Hydraulic oil temperature actual value switch .................... 3-p-19
Z36 Left rubber track tension actual value switch ...................... 7-i-21
Z37 Right rubber track tension actual value switch.................... 7-i-16
Z38 Left steering position actual value switch........................... 7-q-20
Z39 Right steering position actual value switch ........................ 7-q-16
Z46 Low-pressure hydraulics/ground drive oil pressure
actual value switch ............................................................. 3-p-19
Z61 Straw jam warning actual value switch .............................. 3-s-18
Z78 Ground drive filter actual value switch ............................... 3-o-19
a - Switch or sensor, depending on equipment fitted
Note: The rubber track tension actual value switches (Z36/Z37) are
shown in their unactuated state.
If the rubber track tension is correct, both switches are closed and
therefore relay K67 is actuated when the machine is running.