E
AST
C
HINA
S
HIPBUILDING
I
NSTITUTE
F
ACTORY
19
SIYANG
四洋
R
4.When no air is left, retighten the vent plug and turn off the handle of
the fuel feed pump.
6.12
DRAIN THE COOLANT
Remove the cap on the top of expansion tanker. Drain the coolant
through the cock in front of engine. Close the cap and cock after draining.
Refill the cooling system with correct water anti-freezing mixture.
Let the engine run idle for 20~30 minutes.
6.13
CHANGING FUEL FILTER ELEMENT
If the fuel oil tank is installed at a level above the engine, the cock must
be closed before fuel filter change. Unscrew the filter container and discard
the filter element. Ensure that the rubber gaskets and the spring are correctly
fitted before the filter container is reinstalled after filter change.
Priming the fuel system after filter element change, see section 6.11.
6.14
IDLING SPEED ADJUSTMENT
Start the engine and run until normal operating temperature is reached .
Correct idling speed is less than 900 rpm and is factory set before
dispatch.
Adjustment should only be carried out after consulting East China
shipbuilding Institute Factory, CHINA.
6.15 VALVE CLEARANCE ADJUSTMENT
The valve clearance is :
Exhaust valve (cold) : 0.25~0.30 mm
Intake valve (cold) : 0.20~0.25 mm
6.16 STARTING AND RUNNING THE ENGINE WHILE THE
LIFEBOAT IS HOOKED IN DAVITS OR IN FREE FALL RIG
The engine should be started and run once a week and after any kind of
maintenance work.
The running should be limited to 5 minutes at idle speed .
The water temperature alarm should be watched .
6.17 GENERAL PRECAUTTIONS ABOUT ELECTRIC SYSTEM
The following points must be strictly observed when working on the
electric system, otherwise serious damage can occur.
1.Never remove any electrical cable without first disconnecting the
