MAINTENANCE MANUAL OF GW4D20/GW4D20B TURBOCHARGED DIESEL ENGINES
252
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
Fig. 5-6-17 Installing the fuel injector harness
connector
fuel return tee on the high pressure pump, and tighten it
with a single-ear stepless clip.
(3) Installing the fuel return hose support and clamps.
After installation, make sure the fuel return hose is
sealed so strictly that no fuel will leaks from it.
Installing the injector harness connector
①
Plug the fuel injector harness connector on engine
harness to the 4 fuel injectors respectively. See Fig.
5-6-17.
Attention:
Don’t plug it into the wrong position.
After the installation, please carry out the following
operations.
(1) Connect the earthing cable of storage battery.
(2) Fill the engine cooling system with coolant.
(3) Start the engine, check its working condition and
make sure the cylinder cover is sealed properly.
