Z001019/0_7_July 2012
Page FUEL SYSTEM - 7
SERVICE MANUAL MARINE ENGINES
03 FUEL SYSTEM
03.02.02
Disassembly and assembly of
unit injector
Preparation:
Remove camshaft housing cover.
Clean sealing surface of rubber seal
and check for hardening and damage.
Replace seal, if required.
1
Turn crankshaft until injector cam is at base circle as
well intake and exhaust valve are open, in order to
permit a lateral shifting of rocker arm.
2
Before loosening flange nuts of unit injectors, ven
-
tilate fuel system. For this purpose, open screw of
banjo fitting just enaugh to let air through seal rings
between fuel filter and fuel pump (ill.4/pos.1), and let
pump run approx. 6 times for 10 sec.
Make sure that air is sucked.
ATTENTION:
Close fuel cock on tank, if tank is higher
than fuel supply on filter head.
02.02 ill.3
02.02 ill.2
02.02 ill.1
1
02.02 ill.4