TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 131 of 828
TM 9–2350–311–20–2 3–22 Change 3 3–3 TROUBLESHOOTING CHART — CONTINUED b. CANNON — CONTINUED (4) CANNON DOES NOT RETURN TO BATTERY. INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 4933–95–A12) Hose (item 2.2, Appx H) Personnel Required 2 References TM 9–2350–311–10 Check recuperator assembly nitrogen pressure (para 19–2). Is recuperator assembly pressure 700 ± 25 psi (4827 ± 172 kPa)? A yes no Service recuperator with nitrogen (para 19–2). Measure recuperator pins (inside and outside) (TM 9–2350–311–10). Do all recuperator pins protrude 1/4 to 3/4 inch (6.35 to 19.05 mm)? B Check cannon for obstructions. Is cannon free from obstructions? yes no Clear obstructions and- verify fault is corrected. Continue normal opera- tions. C yes no Service recuperator with hydraulic fluid (para 19–2). CONTINUED ON NEXT PAGE