Westinghouse WH10KPRO — Spark Plug Maintenance
Maintenance
For the Westinghouse WH10KPRO, from the Westinghouse owner's manual.
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Before you start
- Never apply side load or move the spark plug laterally when removing it.
Procedure
- Stop the generator and let it cool for several minutes if running.
- Move the generator to a flat, level surface.
- Remove the spark plug boot by firmly pulling the plastic handle directly away from the engine.
- Clean area around the spark plug.
- Remove the spark plug using the 13/16 inch spark plug socket wrench.
- Inspect for cracked/chipped insulator, excessive wear, and correct gap.
- Replace the plug with a Champion RN9YC or equivalent if any condition fails.
- Insert the spark plug into the cylinder head and hand-thread until it bottoms out.
- Using the socket wrench, turn the spark plug to ensure it is fully seated.
- Replace the spark plug boot, ensuring it fully engages the spark plug tip.
Tools required
- 13/16 in. spark plug socket wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- {'item': 'Spark plug gap', 'value': '0.024-0.032 in. [0.60-0.80 mm]', 'unit': None}
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.