Generac 4700 / QuietPact 40 — Checking Flywheel Magnet
Testing & diagnosis
For the Generac 4700 / QuietPact 40, from the Generac service manual.
Applies to: Generac 4700, Generac QuietPact 40, Generac GH-220 engine
Procedure
- Place the flywheel on a wooden surface.
- Hold a screwdriver at the extreme end of its handle with its point down.
- Move the tip of the screwdriver to about 3/4 inch (19mm) from the magnet; the screwdriver blade should be pulled in against the magnet.
Tools required
- screwdriver Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 3/4 inch (19mm) from the magnet
Full service-parts list: Generac 4700 →, Generac QuietPact 40 →
Source: Generac service 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.