Generac — Adjust Engine Governor
Adjustments
From a Generac service manual covering: QUIETPACT 55, QuietPact 65, QuietPact 75. Check it applies to your exact model before use.
Applies to: Generac QUIETPACT 55, Generac QuietPact 65, Generac QuietPact 75, Generac GTV-760 engine
Procedure
- Loosen the governor clamp bolt.
- Hold governor lever at wide open throttle and rotate governor shaft fully clockwise.
- While holding, tighten governor clamp bolt to 70 inch-pounds (8 N-m).
- Start engine and let it stabilize.
- Turn adjuster nut to obtain 62 Hertz.
- Check AC voltage; adjust voltage regulator if needed.
Tools required
- pliers Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Governor clamp bolt 70 inch-pounds (8 N-m)
- No-load frequency 62 Hertz
Full service-parts list: Generac QUIETPACT 55 →, Generac QuietPact 65 →, Generac QuietPact 75 →
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.