TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download

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TM 9-2350-311-20-1 CONTINUED FROM STEP A B 1. With connections and VENTILATOR BLOWER switch in the position where voltage was present in step A, move black lead of multimeters to socket C (lead 159B). 2. Turn MASTER switch ON and check for voltage. 3. Turn MASTER switch OFF. Is voltage present? Go to step D. C 1. With multimeters disconnected and socket B (lead 159A) grounded, place VENTILATOR BLOWER switch in opposite position of where voltage was obtained in steps A and B. 2. Place red lead of multimeters in socket C (lead 159B) and black lead in socket A (lead 159C). 3. Turn MASTER switch ON and check for voltage. 4. Turn MASTER switch OFF. Is voltage present? Replace personnel ventilation blower (para 11-24). CONTINUED ON NEXT PAGE 3-297