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GWFLORID Maintenance Manual 34 Exhaust System Removal Caution: Wait at least 30 minutes between the engine being turned off and the actual removal of any component of the exhaust system, as to avoid personnel injury due to hot components. 1. Main muffler assembly removal (a) First use a No. 13 wrench (open), sleeve, or ratchet spanner to remove the connecting spring bolt between the front flange of the main muffler assembly and the rear flange of the sub-muffler. Then take out the gasket between the flanges. (b) Remove the two rubber hangers on the main muffler. (c) Take down the main muffler assembly. Caution: The sealing ring between the front flange of the main muffler assembly and the rear flange of the sub-muffler is used only for sealing. If reused, it may cause large deformations and result in a poor sealing effect. Accordingly, it is suggested not to use a sealing ring repeatedly. If necessary, only one repetition should be allowed. Warning: While performing this kind of maintenance work, a person should be present to support the main muffler to avoid injury in case the muffler falls. 2. Sub-muffler assembly removal (a) Use a No. 14 wrench (open), sleeve, or ratchet wrench to remove the connecting bolt between the front flange of the sub-muffler assembly and the rear flange of the catalyst assembly. (b) Remove the support of the sub-muffler plate bracket. (c) Remove the two two-hole rubber hangers between the sub-muffler and the frame. (d) Take down the sub-muffler assembly. Caution: The sealing ring between the front flange of the sub-muffler and the rear flange of the catalyst as- sembly is used only for sealing. If reused, it may cause large deformations and result in a poor sealing effect. Accordingly, it is suggested not to use a sealing ring repeatedly. If necessary, only one repetition should be allowed. Warning: While performing this kind of maintenance work, a person should be present to support the sub- muffler to avoid injury in case the muffler falls. 3. Rear catalytic assembly removal (a) Remove the connecting spring bolt between the front flange of the sub-muffler assembly and the rear flange of the rear catalytic assembly. Then take out the sealing ring between the flanges. (b) Take off the rear catalytic assembly. |