TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–18 3–3 TROUBLESHOOTING CHART — CONTINUED b. CANNON — CONTINUED (2) EXCESSIVE RECOIL FORCE. — CONTINUED Check hydraulic pressure on replenisher pressure gage (TM 9–2350–311–10). Is replenisher pressure 17–24 psi (117.215–165.48 kpa)? CONTINUED FROM STEP B yes no Repeat procedures in step C. If recoil cylinder cannot be bled, notify support maintenance. CONTINUED ON NEXT PAGE yes no C D 1. Using manual elevation handle, depress cannon assembly to maximum depression (TM 9–2350–311–10). 2. Loosen right-hand bleed plug and bleed trapped air from rear of buffer. Tighten right-hand bleed plug when air-free fluid flows (TM 9–2350–311–10). 3. Using manual elevation handle, elevate cannon assembly to 50 mils (TM 9–2350–311–10). 4. Loosen left-bleed plug and bleed trapped air from front of buffer. Tighten left-hand bleed plug when air-free fluid flows (TM 9–2350–311–10). 5. Using manual elevation handle, elevate cannon assembly to 180 mils (TM 9–2350–311–10). 6. Loosen bleed plug on bleeder tee and bleed trapped air until air-free fluid flows. Tighten bleed plug (TM 9–2350–311–10). Does air-free fluid flow? Add hydraulic fluid, bleed system, and check for leaks (TM 9–2350–311–10).