Generac 4700 / QuietPact 40 — Rotor / Stator Removal
Repair & overhaul
For the Generac 4700 / QuietPact 40, from the Generac service manual.
Applies to: Generac 4700, Generac QuietPact 40, Generac GH-220 engine
Procedure
- Remove enclosure (Steps 1 through 6 of enclosure removal).
- Remove four muffler hold down bolts (10mm socket), one 13mm nut and one M8 socket capscrew; remove muffler.
- Remove two alternator bracket mounting bolts (13mm socket); pry up bracket and place a socket underneath for clearance.
- Remove two bolts holding alternator bracket to rear carrier (10mm wrench); remove socket from underneath.
- Disconnect stator leads from control panel and brush leads from brush block.
- Remove brush assembly using a 1/4 inch socket.
- Remove four stator hold down bolts, rear carrier, rotor, two alternator air duct bolts and stator assembly.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.