Westinghouse WH7500E — Spark Plug Maintenance
Maintenance · spark_plug
For the Westinghouse WH7500E, from the Westinghouse owner's manual.
Browse Westinghouse generators & specs →
Before you start
- Never apply side load when removing spark plug
Procedure
- Stop generator and let cool
- Move generator to flat surface
- Remove spark plug boot by pulling straight away from engine
- Clean area around spark plug
- Remove spark plug with 13/16 in spark plug socket wrench
- Cover opening with clean rag to keep dirt out
- Inspect for cracked/chipped insulator, excessive wear, and gap 0.024-0.032 in.
- Replace if any condition fails, using Champion RN9YC or equivalent
- Hand-thread spark plug back in until it bottoms out
- Fully seat spark plug with socket wrench
- Replace spark plug boot
Tools required
- 13/16" spark plug socket wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap 0.024-0.032 in. (0.60-0.80 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.