Generac 4700 / QuietPact 40 — Engine 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 8.
- Disconnect Wire 16 from starter terminal; disconnect Wire 18 bullet connector.
- Disconnect Wire 0 and Wire 4 from brush assembly; disconnect Connector 1 from choke assembly.
- Disconnect Wire 85 and Wire 0 from low oil pressure switch and high oil temperature switch; move harness aside.
- Remove air filter; remove fuel hose from fuel pump and pull through panel divider.
- Remove two safety hold nuts from studs through alternator and engine mounting brackets (14mm wrench).
- Remove four mounting nuts from alternator mounting bracket and engine mounting bracket (13mm socket).
- Remove engine/alternator assembly; follow rotor/stator removal to separate generator from engine.
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.