Troy-Bilt 78 Benutzerhandbuch

1.

Remove the two nuts that hold the manifold pipe to 
the cylinder head using a 13mm wrench.              
See Figure 8.3.

2.

Lift the muffler off of the engine.

3.

Clean all of the gasket material off of the cylinder 
head and the muffler. See Figure 8.4.

NOTE: The MTD engine uses a graphite exhaust 

gasket. It is not reusable and must be 
replaced every time the muffler nuts are 
loosened.

NOTE: The graphite exhaust gasket transfers heat 

from the cylinder head to the muffler. The 
heat transfer helps to keep the engine oper-
ating temperature under control. Do not sub-
stitute an exhaust gasket made from another 
material.

NOTE: If reusing the muffler skip to step #8

4.

Disconnect the manifold pipe from the muffler using 
a 13mm wrench.

5.

Clean all of the gasket material off of the manifold 
pipe and the muffler.

Nuts

Remove all gasket material

Graphite gasket

Manifold pipe

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