Westinghouse — Cleaning the Spark Arrestor
Maintenance · Exhaust system
From a Westinghouse owner's manual covering: WH3250, WH4500, WH5500, WH6000, WH6500E, WH7000, WH7500E, WHC6000S, WHC6500, WHC7000EGC. Check it applies to your exact model before use.
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Procedure
- Stop generator and let it cool
- Move generator to a flat, level surface
- Loosen spark arrestor band clamp with a flathead screwdriver
- Slide band clamp off spark arrestor screen
- Pull spark arrestor screen off the muffler exhaust pipe
- Remove dirt and debris with a wire brush
- Replace screen if worn (rips, tears, large openings)
- Reinstall screen over muffler exhaust pipe
- Reinstall and tighten band clamp
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Westinghouse owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.