Great Wall hover, Service Manual

Page: 29 / 425

Warning : All components of the exhaust air system should be
disassembled 30 minutes after shut down to avoid the human
injury caused by hot parts.
Removal of exhaust pipe assembly
Removal of exhaust tail tube
1. Firstly, use the M15 box spanner, ratchet wrench and extension
bar to remove the connecting nut of the rear flange of muffler
assembly and rear section flange of exhaust pipe, take out
the seal bush between the flanges.
2. Remove the three-hole rubber block on the back of the rear
section of exhaust pipe.
3. Remove the three-hole rubber block on the front of the rear
section of exhaust pipe.
Caution: The bush between the rear flange of muffler and
rear section flange mainly has the function of sealing; it
may cause the great pressure and distortion after one
installation, the sealing effect is worse, and the bush cannot
be used repeatedly.
Removal of the muffler
1 . If necessary, dismantle the back section of exhaust pipe
according to the method of dismantling the exhaust pipe, if
not necessary, only remove the coupling nut between the
muffler and back flange of the exhaust pipe;
2. Use the M15 sleeve, ratchet wrench or open-end (box) span-
ner to remove the coupling nut between the front flange of
muffler assembly and the rear flange of the cleaner; when
implementing this operation, there must be somebody to pull
the muffler to prevent it from falling only to cause damage;
brick of the muffler;
3. Use the M13 sleeve, ratchet wrench to loosen the four nuts
fixing the shock absorption rubber
4. Then the muffler assembly can be removed.
Caution: The cleaner cushion assembly 2 between the
cleaner and the front section of the exhaust pipe mainly plays
a role of sealing; there may be great pressure and distortion
after one installation and the sealing effect is worse, this
bush cannot be used repeatedly.