CAMSHAFT GP 4419678 - Caterpillar

Manual Voltage Control
A manual voltage control is available as an option on Caterpillar generator sets. Various specifications and certifications require manual voltage control of the generator if the automatic voltage regulator should fail. The manual voltage controls for the self-excited generators and the manual voltage controls for permanent magnet excited generators are shown below.
Illustration 1 g00889851
Manual voltage control for self-excited generators
Illustration 2 g00626639
Manual voltage control for permanent magnet excited generatorsAutomatic Voltage Regulator
For 2600 frame generators, refer to, RENR2494, "K65-12B Voltage Regulator". For 2400, 2500, 2800, and 2900 frames, refer to Service Manual, RENR1246, "KCR-760 Voltage Regulator for SR4 HV" for information about automatic voltage regulators.