Generac G9.0L G26 — Drying the Generator
Maintenance · Alternator
For the Generac G9.0L G26, from the Generac service manual.
Applies to: Generac 130 kW PME, Generac 150 kW PME, Generac 9.0L Gaseous Engine (G26) engine
Before you start
- Never spray water to clean unit. Do not introduce water into generator windings, terminals, or fuel system.
Procedure
- Open the generator main circuit breaker with no electrical loads applied.
- Disconnect all wires so the alternator is completely disconnected.
- Blow warm, dry air through the generator interior around rotor and stator windings.
- Do not exceed 185 °F (85 °C).
- Connect stator lead.
- Start the generator and let it run for two or three hours.
- Shut down the generator and repeat the insulation resistance tests.
Specs & values
- Drying air maximum 185 °F (85 °C)
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.