TM 55-6115-491-40
Figure 4-4. Dimensions for Brush Support Lip Slot.
4-9. PM Generator No-load AC Sensing Voltage Test.
b. Increase the generator speed to 8, 500 RPM.
a. Operate the generator at 8, 000 RPM no load.
The no-load DC voltage at this speed shall be 42 volts
b. Check the AC voltage between terminals P1
maximum.
c. Using an oscilloscope, check waveform of the
and PN. The AC output shall be 10 volts minimum.
4-10. PM Generator No-load Voltage Test.
PM generator output. It should be as shown in figure 4-
6.
a. Operate the generator at 8, 000 RPM at no
4-11. PM Generator Full-load Voltage Test.
load. Check the DC voltage output across the +and --
a. Connect a resistive load of 4.0 t 0.2 ohms
terminals. The no-load DC output shall be 34 volts
minimum.
the generator + and terminals as shown in figure 4-5.
4-4
