DOOR GP-CAB 5026446 - Caterpillar

space heater is attached to the rear bearing bracket. The space heater is located in the exciter end of the generator.A generator can operate in high humidity conditions without problems. However, problems can occur when the generator is idle and the surrounding air is warmer than the generator. Moisture can form on the windings. Moisture will result in poor performance or even damage to the windings. Whenever the generator is not active, the optional space heaters should be operated.An external source is required to operate the space heaters.The generator space heater can be wired in several voltage configurations. Refer to the package wiring diagrams for more details.See your Cat dealer for information on checking your Cat generator.