Chapter V GW4D20 / GW4D20B Turbocharged Diesel Engine
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
229
Fig. 5-3-11 Removing the catalytic converter
pipe (for reference only)
Fig. 5-3-12 Removing the fastening nuts of
engine bracket
Fig. 5-3-13 Removing the engine assembly
Removing the catalytic converter pipe
⑩
(1) Remove the fixing bolts and nuts of catalytic
converter from the turbocharger or the exhaust elbow.
See Fig. 5-3-11.
(2) Remove the fixing nuts from the front exhaust pipe.
(3) Remove the
catalytic converter pipe and the sealing
gaskets.
(4) Check the sealing gaskets, and replace those
damaged or deformed ones.
Removing the fastening nuts of engine bracket
○
11
(1) Use a crane to hitch the engine hook, but don't lift
the engine.
(2) Loosen 2 fastening nuts that fix the left / right engine
bracket to the frame studs (as shown in Fig. 5-3-12) so
as to separate the engine from the frame.
Removing the engine assembly
○
12
(1) Connect the hook to the crane to lift the engine
carefully, as shown in Fig. 5-2-13.
(2) After being raised, the head of the engine should be
higher than the tail.
(3) Place the engine steady on the maintenance rack for
repair, removal and reinstallation.
Attention:
When removing the engine assembly,
do not damage the oil pipe, the brake pipe, the sensor
or electric elements, etc.
Engine hook