Method and tool for use with turbomachines

A tool for drilling, tapping, and back spot facing at least one hole in a turbomachine, the tool comprising:

• a servo motor cutting device configured for use with a cutting tool;
• a drill unit skid adapted to engage a hook fit slot in a case of the turbomachine and for supporting the servo motor cutting device, the drill unit skid including hook fit slides, the hook fit slides configured to guide the drill unit skid along the hook fit slot and act as a stop in a radial direction;
• a laser positioning device configured to detect the position of the cutting tool;
• wherein the servo motor cutting device rotates the cutting tool to create the at least one hole, and wherein a rotor of the dynamoelectric machine is left in place during drilling, tapping and back spot facing.

A tool for drilling, tapping, and back spot facing at least one hole in a turbomachine, the tool comprising:

• a servo motor cutting device configured for use with a cutting tool;
• a drill unit skid adapted to engage a hook fit slot in a case of the turbomachine and for supporting the servo motor cutting device, the drill unit skid including hook fit slides, the hook fit slides configured to guide the drill unit skid along the hook fit slot and act as a stop in a radial direction;
• a micro switch configured to stop the servo motor cutting device when the micro switch activates;
• wherein the servo motor cutting device rotates the cutting tool to create the at least one hole, and wherein a rotor of the turbomachine is left in place during drilling, tapping and back spot facing.