Tab 6-19
GVU & VALVE TEST
Item
Function
Effect
001
START AST button
Starts the engine in astern direction (for reversible engine)
002
STOP button
Stops the engine
003
START AHD button
Starts the engine in ahead direction
004
CTRL. TR. button
Sends a signal for a control transfer to this LDU-20
005
PRINT button
Makes a screenshot of the current screen, refer to section
6.8.31 LDU-20 page - SCREENSHOT
006
INDEX button
Opens the INDEX page
007
Valve button
In test mode - opens and closes the related valve
•
black fill - valve closed
•
no fill - valve open
008
GVU Vent button
In test mode - opens and closes the vent valves in the GVU
NOTE:
These valves are not shown on the display.
009
GVU Shut-off button
In test mode - opens and closes the shut-off valves in the GVU
NOTE:
These valves are not shown on the display.
010
On / Off Test Mode button
Sets to On and OFF the test mode
NOTE:
You only can start the test mode, if the conditions
that follow are OK:
•
Engine at standstill
•
Turning gear is engaged
•
No gas trip or gas interlock avtive
•
No pressure in gas supply
•
Usual range of control air pressure
011
GVU Inert button
Starts and stops the inert procedure of the GVU
NOTE:
This button is only applicable, if the two indications
Eng. Maint. Switch and GVU Maint. Switch are ac-
tive.
X92DF
AA00-9606-20AAA-043B-A
Operation Manual
LDU-20 page - GVU & VALVE TEST
Winterthur Gas & Diesel Ltd.
- 339 -
Issue 002 2020-08
Содержание X92DF
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