Honeywell HW7500E Service Manual - Page 30

CLEANING SPARK ARRESTOR SCREEN 7.5 CLEANING SPARK ARRESTOR SCREEN WARNING Muffler reaches temperatures that can cause serious burns if touched. NEVER touch hot surfaces. 5. Using a screwdriver, loosen and remove the spark arrestor clamp (A) screw. C A The generator muffler is equipped with a spark arrestor screen, which must be cleaned according to the maintenance schedule (see Table 7-1) to ensure prevention of sparks escaping generator. To clean spark arrestor screen, you will need: ‰ 1/4" socket wrench ‰ 8 mm socket ‰ 7/32" socket ‰ #2 Phillips screwdriver ‰ Wire brush 1. Stop the engine if it is running. Allow to completely cool. 2. Place generator on a flat, level surface. 3. Using a socket wrench with an 8 mm socket, remove the muffler cover bolts (muffler cover not present on HW3000 or HW3000L models). 4. Remove muffler cover. B FIGURE 7-15: Spark Arrestor Assembly 6. Slide off spark arrestor clamp. 7. Using a socket wrench with a 7/32" socket, remove the retaining screw on spark arrestor screen cap (B); pull off cap. 8. Pull out spark arrestor screen (C). 9. Inspect spark arrestor screen. „ If screen is damaged or excessively worn, replace with new screen. „ If screen is in good condition, clean using wire brush and then reinstall. FIGURE 7-14: Remove Muffler Cover FIGURE 7-16: Clean Screen 10. Reinstall remaining spark arrestor components. „ Spark arrestor screen cap and screw „ Clamp and screw „ Muffler cover 7-6 www.honeywellgenerators.com Honeywell Portable Electrical Generator Service Manual