41
MAINTENANCE AFTER OPERATION
3. Start the engine, confirm the throttle dial is set
at “S” position. Pull the priming knob to
generate
vacuum. (Priming water operation
must be within 30 seconds.)
4.
After the vacuum is generated, immediately
return the priming knob to the original position,
and stop the engine.
5.
Check that the vacuum pressure of the
pressure gauge for suction shows below -0.8
bar.
6.
In order to check that there is no vacuum leak,
leave it for 30 seconds and confirm that the
pointer of the pressure gauge for suction
keeps the same pressure indication.
7.
Open the drain valves to expose it to the
atmosphere, and check that the pointer of the
pressure gauge for suction returns to “0”.
8. Close the drain valves.
11
Throttle dial
Close
Open
Priming knob
Pressure gauge for suction
