6.6
If necessary, use the turning gear to turn the engine to another initial position.
6.7
again.
7
To open the exhaust valve for inspections from the EXHAUST VALVE page, do the steps
that follow:
7.1
Set to ON the servo oil service pump to get some pressure in the servo oil rail.
7.2
Make sure that the air spring air pressure is sufficient.
7.3
Move the cursor to the related text field.
7.4
Push the rotary button to enter the edit mode.
7.5
Turn the rotary button to adjust the value to ON to open the exhaust valve. Adjust
the value to OFF to go back to automatic mode. Push the rotary button again to
go out of the edit mode.
7.6
Use the manual exhaust valve operation to manually open and close an exhaust
valve after the engine has stopped (This can be used for tests and bleed
procedures, eg after maintenance).
7.7
Set to OFF the servo oil service pump.
8
To change the filter settings on the LOG MESSAGES page, do the steps that follow:
8.1
Push the BACK button to put the cursor on the Filters field, then push the rotary
button to display the list of available filters, eg All/Safety/Event/Info/Error.
8.2
Use the rotary button to move the cursor up or down in the list of available filters.
8.3
Push the rotary button to select or deselect the filters.
8.4
Push the BACK button two times to move the cursor back to the list of log
messages.
8.5
Use the rotary button to scroll the list up or down.
8.6
When the cursor (a blue highlight in the list) is on a selected log message, push
the rotary button. This shows a different screen, which has more data about this
log entry.
9
To export a screenshot from the LOG ENTRY page, do the steps that follow:
9.1
Connect a USB drive to the USB port on the rear of the LDU-20. Make sure that
the USB drive has a compatible data format (FAT32).
9.2
Wait until the USB menu window is displayed on the screen.
9.3
Use the rotary button to move the cursor to the SCREENSHOT button.
9.4
Push the rotary button to take a screenshot of the page.
NOTE:
The screenshot will be automatically saved to the USB drive.
9.5
If necessary, send the saved xx.png file to WinGD.
10
To download backup files from the SYSTEM STATUS page, do the steps that follow:
NOTE:
The dialog box that is shown gives an option to download, or not to download
the backup files to the selected modules.
10.1
Use the rotary button (turn and then push) to select the DOWNLOAD button.
10.2
Select Yes to start the download backup files procedure.
NOTE:
Select NO if you want to cancel the procedure.
11
To export all log messages from the SOFTWARE TOOLS page, do the steps that follow:
NOTE:
Connect a USB drive to the USB port on the rear of the LDU-20 before you select
the EXPORT button.
11.1
Use the rotary button to put the cursor on the Export button.
NOTE:
The file name EDL Export YYYYMMDD_hhmmss.wxml will be saved to
the USB drive. The timestamp display YYYYMMDD_hhmmss is shown
X52
AA00-0000-00AAA-131I-A
Operation Manual
Operate the local display unit (LDU-20)
Winterthur Gas & Diesel Ltd.
- 273 -
Issue 002 2018-11
