MAGNETIC AMPLIFIER BIAS TEST.
TURN Rll, R12, R14, R15, R16,
R18 FULL CW.
CONNECT GOVERNOR CONTROL
UNIT TO TEST EQUIPMENT AS
SHOWN.
ADJUST Rll AND Rl2 FOR BAL-
ANCED READING OF 450 MA ON
M2 AND M3.
TURN R12 FULL CW. M2 AND M3
SHALL READ 0-300 MA, AND BE
BALANCED WITHIN 50 MA.
TURN R12 FULL CCW. M2 AND
M3 SHALL READ 600-1000 MA,
AND BE BALANCED WITHIN 50 MA.
READJUST Ml AND R12 FOR BAL-
ANCED READING OF 450 MA ON
M2 AND M3 AND LOCK Rll AND
Rl2 FOR REMAINDER OF TEST.
TEST EQUIPMENT
REF DES
QUANTITY
DESCRIPTION
M2, M3
2
MILLIAMMETER, DC, 0-1000 MA
V1
1
DC POWER SOURCE
1
AC POWER SOURCE
ME 6115-545-34/7-7
Figure 7-7. Electric Governor Control Unit, Magnetic Amplifier Bias Test (400 Hz)
7-11
