Historically, generator inspections require rotor removal (Figure 1). There’s a significant level of risk during this process due to possible generator damage during the disassembly, and it also ...

[Mike] has put up a great video on his [SmallEngineMechanic] YouTube Channel about a tool we don’t see very often these days. He’s using an armature growler (YouTube link) to test the armature from a ...

Over the past decade, since industry deregulation, the typical utility power plant has lengthened the maintenance intervals of its major systems to minimize downtime and costs. Many plants schedule ...

Vibration levels at the bearings. Brush gear inspection (monthly or bimonthly). Remove the brush holder. Clean the carbon brushes by compressed air. Inspect the brushes for uneven wear (do not touch ...