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 TM 55-1905-220-14-10
5-29.1. VOLTAGE REGULATOR-MAINTENANCE INSTRUCTIONS (Continued).
(3)
F Field Circuit Test.
CAUTION
Do not allow the F field output to exceed 10 amps for more than
several seconds or the output transistor may be damaged.
(a) Connect the regulator as shown and turn the AVCR ccw for minimum output. Adjust the single-
phase input to the nominal operating voltage for the regulator-V1 in the following table:
TEST VOLTAGE TABLE
MODEL
SERIES
V1
V2
V3
V4
H60
240
200
15
140
(b) At this point the ammeter should read close to zero.
(c) Turn the AVCR fully cw and adjust the single-phase input to V2 in the Test Voltage Table. The
output should read not less than 5 amps.
5-475
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