TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 445 of 1275
TM 9-2350-311 -20-1 CONTINUED FROM STEP A B 1. Install LED in NBC indicator light assembly. 2. Disconnect lead 439L from NBC indicator light assembly. 4. Place red lead of multimeter in lead 439L and black lead to ground. 5. Turn MASTER switch ON and check for voltage. 6. Turn MASTER switch OFF. Is voltage present? I I I Replace NBC indicator light I I assembly (para 8-17). I Repair or replace lead 439L of ventilated face piece system power harness (para 8-62). END OF TASK 3-345