Craftsman 316.74556 Operator's Manual download pdf (Page 18)

SPARK ARRESTOR MAINTENANCE

1. Remove air filter/muffler cover. See Removing the

Air Filter/Muffler Cover.

Locate muffler front and the two (2) bolts securing it

to the engine. (Fig. 27). Remove the two (2) bolts

usLng a flat blade screwdriver or 5/16-inch socket or

nut driver. Pull muffler off of the engine.

3. Turn muffler over to the back side and locate the

exhaust gasket. Remove the muffler gasket from the

muffler (Fig. 27).

NOTE: f exhaust gasket is torn or damaged, replace

with a new gasket before reassembling muffler.

4. Using a small flat blade screwdriver, carefully pry up

the spark arrestor from the recessed hole (Fig. 28).

Remove spark arrestor from muffler.

5. Clean the spark arrestor with a wLre brush. Replace

if damaged or unable to clean thoroughly (Fig. 28).

Reinstall the spark arrestor by pressing it into the

recessed hole on muffler's back side. Make sure it

fits tightly against the muffler and is not raised up.

Place exhaust gasket against muffler's back side.

Align exhaust gasket bolt holes with bolt holes in

muffler. While holding exhaust gasket in place, insert

bolts into muffler's front side. (Fig. 27).

Place muffler with exhaust gasket in place and bolts

inserted against the engine, aligning bolt holes.

Tighten bolts to secure muffler to the engine.

If using a torque wrench torque to:

80-90 in.*lb. (9-10.2 N-m).

,_ WARNING: If muffler is not tightened securely,

it could fall off causing damage to the unit and

possible serious personal injury.

9. Reinstall air filter/muffler cover.

Muffler - Front Side

Fig. 27

Spark Exhaust

Arrestor Gasket

Muffler - Back Side

Spark

Arrestor

Muffler - Back Side

Fig. 28

_Flat blade

Screwdriver

Spark Arrestor

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Craftsman 316.74556 Operator's Manual Page 18

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