Generac QUIETPACT 75 — Spark Arrestor Muffler Cleaning
Maintenance · Exhaust muffler
For the Generac QUIETPACT 75, from the Generac owner's manual.
Applies to: Generac QuietPact 75
Before you start
- Reinstall hex pipe cap tightly; exhaust system is extremely hot.
Procedure
- Locate unit above non-combustible surface; ensure exhaust piping is cool.
- Remove two screws holding the spark arrestor access plate.
- Remove access plate and gasket.
- Remove hex pipe cap from end of cleanout pipe.
- Thread 3/8 in NPT coupling and nipple extending 10 inches below floor pan.
- Start and run engine approximately 15 minutes.
- Shut down engine and allow piping to cool.
- Remove piping; apply graphite anti-seize; reinstall cap, plate, gasket and screws.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Extend cleanout pipe at least 10 inches (250 mm) below floor pan
- Run engine approximately 15 minutes
Full service-parts list: Generac QuietPact 75 →
Source: Generac 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.