TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 Change 2 3–85 1. Place red multimeter lead on terminal 2 of ELEVATION CONTROL switch and black lead to ground. 2. Check for voltage. Is battery voltage present? 1. Turn CAB POWER switch to ON. 2. Place red multimeter lead on output terminal 2 of CAB POWER switch and black lead to ground. 3. Check for voltage. Is battery voltage present? Replace wire from CAB POWER switch to circuit breaker (para 8–12). 1. Place red multimeter lead on input terminal 3 of CAB POWER switch and black lead to ground. 2. Check for voltage. Is battery voltage present? I yes no CONTINUED FROM STEP H yes no J Replace CAB POWER switch (para 8–12). END OF TASK – + INPUT TERMINAL – + OUTPUT TERMINAL CAB POWER SWITCH CAB POWER SWITCH K yes no Troubleshoot elevation and traversing system. Replace wire from CAB POWER switch to ELEVA- TION CONTROL switch (para 8–12). – + ELEVATION CONTROL SWITCH TERMINAL