TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download

Page 81 of 1275

TM 9-2350-311-20-1 ITEM NO. 19 INTERVAL Annual ITEM TO BE INSPECTED Cooling System, Radiator Hoses, and Pumps PROCEDURE a. b. c. d. WARNING Do not remove a radiator cap from a warm engine. Steam and hot gases can bum severely. Check for cracked, weak or broken hoses. Check coolant system for leakage. Check coolant level. Remove shroud cover and inspect drive shafts for excessive wear and loose rubber-boots. e. Radiator should be cleaned with a radiator cleaning tool (item 12, Appx H) and a cleaning agent which removes deposits of sand, oil, clay and other debris from radiator cooling fins. NOTE Cleaning agent can be a solution of one part detergent to five parts water, or nontoxic, nonflamable solvent and water. The cleaning agent may be mixed one part detergent to five parts water. Clean radiator as follows: (1) Remove eight screws (28) and shroud cover (29). NOT FULLY MISSION CAPABLE IF: Any weak, cracked, or broken hoses or any coolant leak. Drive shaft boots tom or loose. 2-33