TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 116 of 828
TM 9–2350–311–20–2 Change 2 3–7 1. Slide firing group block to the left, firing position. 2. Attempt to open breech. Does breech open? CONTINUED FROM STEP C yes no Verify fault is corrected. Continue normal opera- tions. Notify support maintenance. yes no END OF TASK Verify fault is corrected. Continue normal opera- tions. 1. Remove firing mechanism (TM 9–2350–311–10). 2. Remove firing block assembly and firing mechanism housing (TM 9–2350–311–10). 3. Remove follower assembly from firing block assembly (para 5–5). 4. Inspect end follower for bent or damaged shaft roller. If damaged, replace (para 5–5). 5. Install firing mechanism housing, firing block assembly, and firing mechanism assembly. 6. Attempt to open breech. Does breech open? CONTINUED FROM STEP B OR C yes no D Verify fault is corrected. Continue normal opera- tions. E FIRING MECHANISM HOUSING FOLLOWER ASSEMBLY FIRING MECHANISM FIRING BLOCK ASSEMBLY FIRING GROUP BLOCK