Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
301
Fig. 5-11-8 Installing the timing hood
component
Fig. 5-11-9 Installing the damping pulley
assembly
Tightening torque for fastening bolt of timing rear
hood component
9N·
m±3N·
m
-Embed the timing hood sealing strips
Ⅰ
and
Ⅱ
in the
sealing groove of the timing hoods
Ⅰ
and
Ⅱ
respectively.
See Fig. 5-11-8.
--After aligning the timing hood components
Ⅰ
and
Ⅱ
and
the timing hood with the mounting hole,screw down the
16 hexagon flange bolts(M6×6,M10×35,M10×50) to the
cylinder head and the front end of the cylinder body with
required torques.
Tightening torques for fastening bolts of the timing
hood and the timing hoods I and II
M6
9N·
m±3N·
m
M10
45N·
m±3N·
m
Installing the damping pulley assembly
②
.
(1) Install the elastic cylindrical pin into the pin hole of
crankshaft timing belt pulley.
(2) Align the damping pulley pin holes, install the
damping pulley to the front end of crankshaft, and screw
down 4 hexagon flange bolts (M8×20) as per specified
torque. See Fig. 5-11-9.
Tightening torque of fastening bolt of damping pulley
23N·
m±3N·
m
Attention:
The timing mark must face forwards after
the installation.
Sealing strip
Sealing strip
Crankshaft
Timing pulley
Damping pulley
