TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–12 Change 2 3–3 TROUBLESHOOTING CHART — CONTINUED a. BREECH MECHANISM — CONTINUED (3) BREECH DOES NOT OPEN AUTOMATICALLY AFTER FIRING. — CONTINUED Remove and inspect torque key for wear (para 5–10). Is the torque key worn beyond 31/32 inch (24.6 mm) on M185 cannon or 1–9/16 inches (3.97 cm) on M284 cannon? D Replace torque key (para 5–10). Verify fault is corrected. Continue normal opera- tions. yes no CONTINUED FROM STEP C Notify support mainte- nance. END OF TASK