English to Spanish Tech/Engineering Engineering (general)

NOTE: Sometimes a rotor may only fail while it is
spinning at rated RPM. This condition is called a
“Flying Open” or “Flying Short.”
To diagnose, use the “Rotor Current Draw Test.”
•• Step 2: Rotor Current Draw Test
• Locate the brush wires. (Normally these wires are #4
and #1.) Isolate the brushes from the bridge rectifier or
voltage regulator.
• Connect a (DC) amp meter between the positive brush
wire #4, and the positive post on a 12VDC battery.