Westinghouse WH5500 — Spark Plug Service
Maintenance
For the Westinghouse WH5500, from the Westinghouse owner's manual.
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Before you start
- Allow engine to cool before servicing
Procedure
- Stop generator and allow to cool.
- Remove spark plug boot from spark plug.
- Use spark plug socket to remove spark plug.
- Inspect spark plug condition.
- If worn or damaged, replace with new spark plug.
- If serviceable, clean tip and electrode with wire brush.
- Gap should be 0.028-0.031 in. (0.7-0.8 mm).
- Adjust gap if needed using needle-nose pliers.
- Reinstall spark plug and tighten.
- Reinstall spark plug boot.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Spark plug gap: 0.028-0.031 in. (0.7-0.8 mm)
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.