A repair is presumably a project that restores equipment to its correct condition. That is sometimes not the case, especially when a repair is an on-demand project that interrupts the needs of production rather than a project that is scheduled around the needs of production.
An example of an on-demand repair is a motor fails so production is interrupted until it is replaced. An example of a planned repair is during a shift change maintenance will address an excess vibration alarm. In either situation, the quality or appropriateness of the work can be wrong.
Consider this scenario. The motor won’t start, even though the disconnect is closed.
- Jim measured supply voltage on L1 at the motor, so he recommended replacing the motor. But if Jim had checked at a location that didn’t require him to remove tape from the leads (e.g., the controller) he would have found the L1 and L2 thermal overloads were open.
- Jim measured the correct voltage at the branch circuit breaker, so he concluded the motor must be bad. But if Jim had checked at the motor controller, he would have found it was not allowing the motor to start or to run because an E-stop was open.
What might you say?