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OPERATION
Menu Control with Key Switch (C) and Key Group
(D)
Setting of Operational Data, menu item Service *SETTINGS*
Example: Changing the hydraulic oil viscosity grade
When changing the hydraulic oil, the viscosity grade of the new oil
has to be entered in the appropriate "Service/Settings" group, if
the viscosity of the new oil is different from that of the drained oil.
REMARK
The procedure up to the menu item *PTO GEAR-OIL VIS-
COSITY* is described on page 135 Changing pause time of the
Central Lubrication System; item 1. to 3.
Starting from menu item *PTO GEAR-OIL VISCOSITY* in
level -3- proceed as follows, see Menu Control Chart III.
1. Press key (12), the item *HYDRAULIC-OIL VISCOSITY* is
displayed.
2. Press key (10), level -4- Input of viscosity with the information
of the present oil viscosity grade appears on the display.
3. Press key (10) once more, the information "OPERATE KEY
SWITCH" appears on the display.
4. Operate key switch (C).
5. "Input of oil viscosity" appears on the display. Under present:
the used oil viscosity grade is indicated. Under new: all the
viscosity grades available in the system are offered for selec-
tion. The example on Chart III shows changing the viscosity
grade from VG 22 to VG 100.
6. Press key (12) until in the field new: VG 100 appears.
7. Press key (10), to acknowledge the new viscosity grade. On
the display the information in the field present: changes to
VG 100.
The procedure input of a new hydraulic oil viscosity grade is now
finished. For returning to the standard display on level -0- press
the key "RET" (9) four times.
REMARK
When a battery voltage fault has occurred, the operational
data (oil vicosities, timer settings etc.) stored in the Programma-
ble Logic Controller (PLC) can be lost and must be re-entered
after the correct battery voltage has been re-established.
3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS
139
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