WinGD X92DF - Page 337

Tab 6-18 GAV MANUAL 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 GAVn button Opens and closes the related gas admission valve (GAV), if
manual test request is active and conditions are OK
•
black fill - valve closed
•
no fill - valve open
NOTE: Do a check of the sound of the movement of the gas
admission valve.
008 Manual Test Request button Sends a signal for a manual test of the gas admission valves
NOTE: You only can start the test mode, if the conditions
that follow are OK:
•
Engine at standstill
•
Turning gear is engaged
•
Usual range of servo oil pressure
•
Usual range of sealing oil pressure
009 Shutoff valve button Opens and closes the shut-off valve for sealing oil (CV7296C)
X92DF
AA00-9606-19AAA-043B-A
Operation Manual LDU-20 page - GAV MANUAL VALVE TEST
Winterthur Gas & Diesel Ltd.
- 337 - Issue 002 2020-08