ENGINE
4234520 First Edition 3-9
3
Muffler
Removal, Inspection, and Installation
See Figure 3-12..
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Allow the engine to cool completely.
3. Raise the hood.
Figure 3-12
4. Remove the muffler clamp and hardware (2) from the
exhaust pipe (1).
5. Remove four nuts (4), isolation mounts (5), screws
(7), and eight flat washers (3). Remove the muffler
(8) from the two muffler brackets (6) and exhaust
pipe (1).
6. Remove the four bolts and lockwashers (9) securing
the exhaust pipe (1) to the turbo exhaust flange (10).
7. Inspect the exhaust system for cracks, holes, and
distortion. Replace exhaust gaskets and exhaust
clamps.
Installation Notes
• Install the muffler in the reverse order of removal.
• Install new gaskets during installation.
Do not attempt to service the exhaust system
when the engine is hot. Serious personal injury
can occur.
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