SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS
6.Replace the air filter inside the air filter/muffler cover. See Figure 27.
NOTE: Operating the unit without the air filter and air filter/muffler cover assembly, will VOID the warranty.
Reinstalling the Air Filter/Muffler Cover
1.Place the air filter/muffler cover over the back of the carburetor and muffler. Align the screw holes.
2.Insert the four (4) screws into the holes in the air filter/muffler cover and tighten. See Figure 26.
Do not over tighten.
Spark Arrestor Maintenance
1.Remove air filter/muffler cover. See Removing the Air Filter/Muffler Cover.
2.Locate muffler front and the two (2) bolts securing it to the engine. See Figure 31. Remove the two (2) bolts using a flatblade screwdriver or
3.Turn muffler over to the back side and locate the exhaust gasket. Remove the muffler gasket from the muffler. See Figure 31.
NOTE: If the exhaust gasket is torn or damaged, replace it with a new gasket before reassembling muffler.
4.Using a small flatblade screwdriver, carefully pry up the spark arrestor from the recessed hole. See Figure 32. Remove the spark arrestor from the muffler.
5.Clean the spark arrestor with a wire brush. Replace it if it is damaged or if it is impossible to clean thoroughly. See Figure 32.
6.Reinstall the spark arrestor by pressing it into the recessed hole on the muffler's back side. Make sure it fits tightly against the muffler and is not raised up.
7.Place the exhaust gasket against muffler's back side. Align the gasket bolt holes with the bolt holes in the muffler. While holding exhaust gasket in place, insert the bolts into the muffler's front side. See Figure 31.
8.Place the muffler (with the exhaust gasket in place and bolts inserted), against the engine, aligning the bolt holes. Tighten the bolts to secure the muffler to the engine. If using a torque wrench torque to:
80-90 in.•lb. (9-10.2 N•m).
WARNING: If the muffler is not tightened securely, it could fall off causing damage to the unit and possible serious personal injury.
9. Reinstall the air filter/muffler cover.
Bolts | Spark | Exhaust |
| Arrestor | Gasket |
Muffler - Front Side | Muffler - Back Side |
Figure 31 |
|
Spark |
|
Arrestor | Flat blade |
| |
| Screwdriver |
Spark Arrestor
Muffler - Back Side
Figure 32
16