TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 83 of 1275
TM 9-2350-311-20-1 ITEM NO. 21 22 23 INTERVAL Annual Annual Semiannual ITEM TO BE INSPECTED Cooling System Pressure Relief Valve Exhaust Ducts Fuel Tank and Heat Shield PROCEDURE Remove and clean pressure relief valve as follows: a. Unscrew nut (30) and remove hose (31) from lower end of relief valve (32). b. Remove four screws (33). Lift off relief valve (32). c. Wipe off accumulation of rust. Depress spring to ensure it is not broken. d. Install pressure relief valve (32) (para 7-5). Check and replace all damaged components. Check all clamps (34) and mounting bolts (35). Inspect the upper fuel tank and lower tank heat shield for damage. Check condition and tightness of all seals and fasteners (para 6-20). NOT FULLY MISSION CAPABLE IF: Any screws missing, coolant leaks, or any missing or broken valve parts. Any damaged component, loose clamps, or exhaust leaks. Any Class Ill leaks. Upper heat shield missing. Seal cracked or loose fasteners. 2-35