TM 5-3825-213-35
Install
the
regulator
cover
high frequency hum. If the unit
2.
does not hum at the start of the
assembly on the regulator box
operation, turn the contact
assembly (34, fig.
2) and
screw counterclockwise until it
operate the generator at 1,000
begins to hum.
After the
rpm. Remove the pipe plug
regulator is adjusted for setting,
and adjust the voltage (TM 5-
allow it to operate 30 minutes
3825-213-20).
and listen occasionally to make
Raise the alternating current
3.
sure the hum does not stop.
generator speed to 2,000 rpm,
Remove the regulator cover
close the load switch, and
ably from the test circuit.
adjust the load bank to give a
load of 60 amperes. Set the
regulator voltage to 28 0.1
volts by adjusting the 5-ohm
Figure 51. Setting carbon pile wiring diagram.
128