Table   7-1. Resistance  Test  (50/60  Hz) P1 Potentiometer Nominal Allowance    resistance Connection Position Resistance range   (ohms) 3400-6800 T-N (T +) 5100 2180 1950-2400 M-N (M +) (M +) R18CCW 12180 11000-13000 6000 5000-7000 F-N (F +) (F+) R16CCW 31000 30000-32000 (F+) Rl5CCW 6500 5500-7500 E-G (E +) 5500 4500-6500 120 100-140 R-G   (R+) 650 550-750 F-G  (F  +) J-H  (J  +) LESS THAN 0.2 OHMS T-P  (T  +) 2200 1400-3000 (T+) R14CCW 2600 1800-3400 U-S (U+ ) 525 450-600 USING M1, MEASURE RESISTANCE OF EACH PIN (ALL CONNECTORS) AND EACH TEST POINT TO GOVERNOR CONTAINER. RESISTANCE SHOULD BE INFINITY   ON   100,000   OHM   SCALE   REPEAT   FOR   REVERSE   POLARITY RESISTANCE SHOULD BE INFINITY ON 100,000 OHM SCALE. MAGNETIC AMPLIFIER BIAS TEST TURN  R1l,  R12,  R14,  R15,  R16,  R18 FULL CW. CONNECT  GOVERNOR  CONTROL  UNIT  TO TEST EQUIPMENT AS SHOWN. ALMOST R11 AND Rl2 FOR BALANCED 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  Rll  AND  Rl2  FOR  BALANCED READING OF 450 MA ON M2 AND M3. LOCK  Rll  AND  Rl2  FOR  REMAINDER  OF TEST. ME  6115-545-34/7-3 Figure  7-3. Electric   Governor   Control   Unit,   Magnetic   Amplifier Bias  Test  (50/60  Hz) Change   1   7-5