Test 12 – check brushes and slip rings(12-20 kw) – Generac Power Systems 8 kW LP User Manual

10 kW LP, 7 kW NG, 14 kW LP, 13 kW NG, 17 kW LP, 18 kW NG, 20 kW LP, 16 kW NG, 9 kW NG