Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
245
Fig. 5-5-14 Installing the catalytic converter
pipe
Fig. 5-5-15 Installing the air cleaner and
turbocharger air intake hose
Fig. 5-5-16 Connecting the earthing cable of
storage battery
Attention:
(1) There is a fuel inlet bolt gasket on the upper / lower
end of turbocharger fuel inlet pipe ball head. See Fig.
5-5-13.
Check the turbocharger fuel inlet bolt gasket and repair
or replace it if there is any damage.
Tightening torque for turbocharger fuel inlet bolt
22N·
m±3N·
m
Installing the catalytic converter pipe
②
Connect the catalytic converter pipe and turbocharger
or front exhaust pipe, install the sealing gasket at the
both ends and tight the fixing bolt and nut to the
specified torque. See Fig. 5-5-14.
Tightening torque for fixing bolt and nut of catalytic
converter
23N·
m±3N·
m
Installing the air cleaner and turbocharger air intake
hose
①
(1) Install the air cleaner casing to the frame and fix it
with 3 hexagon flange bolts. See Fig. 5-5-15.
(2) Install the turbocharger air intake hose and fasten it
with a clip.
(3) Connect the harness connector of air cleaner.
Check the turbocharger air intake hose connector
for leakage after installation.
After the installation, please carry out the following
operations.
(1) Connect the earthing cable of storage battery. See
Fig. 5-5-16.
(2) Start the engine and check the working condition of
exhaust system.
Filter core
Turbocharger
intake hose
