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CLEANING THE SPARK ARRESTOR
Refer to Table 4 for scheduled cleaning of the spark
arrestor muffler (which meets U.S. Forest Service
requirements). Cleaning is required for maximum
genset performance.
A hot muffler can cause severe
burns. Let the muffler cool down before removing the spark arrestor screen.
WARNING
The spark arrestor screen is mounted inside the
muffler outlet (Figure 14). Clean as follows:
1. Loosen the U-bolt clamp that secures the tailpipe to the muffler (inside the genset housing)
and move the tailpipe aside.
2. Remove the screw that secures the spark
arrestor tube/screen inside the muffler outlet.
3. Remove the spark arrestor tube and inspect
the screen inside for damage and clogging.
Replace if damaged.
4. Lightly tap the spark arrestor and remove any
remaining deposits with a wire brush. Use a
commercial solvent to loosen hard deposits.
(Carefully follow the solvent manufacturer’s
instructions and safety precautions.)
MOUNTING
SCREW
5. Reinstall the spark arrestor and tail pipe.
SPARK ARRESTOR
TUBE
FIGURE 14. SPARK ARRESTOR
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