TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311-20-1 7-9 BYPASS THERMOSTAT AND HOUSING ASSEMBLY — CONTINUED b. Installation I II WARNING II Ensure engine and coolant system are cool enough to permit safe handling in order to prevent burns. 1 Install new seal (22) in lower housing (19) using installer and handle. 2 Install new gasket (21) and new thermostat (20) in lower housing (19). 3 Install upper housing (18), three flat washers (17), three new Iockwashers (16), and three screws (15). 4 Apply adhesive on mating surfaces of coolant hose (14) and upper housing (18). Install hose and housing. 5 Tighten lower clamp (13). WARNING Adhesives are toxic and flammable. Apply adhesives only in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and don’t breath vapors. Do not use near heat, sparks, or open flame. Read and follow all warnings and instructions on labels of adhesives. If contact with skin or eyes is made, wash area with water and seek medical aid immediately. 6 Apply adhesive on mating surfaces of coolant hose (14) and manifold connector (12). 7 Tighten upper clamp (11). 8 Apply sealing compound to stud (10). Install stud, new Iockwasher (9), and nut (8). 9 Install protective cover (7), new gasket (5), three new Iockwashers (4), and three screws (3). 10 Apply adhesive to mating surfaces of crossover tube connector (2). 11 Install crossover tube connector (2) and tighten two clamps (1). NOTE Engine must first be warmed up and then run for a minimum period of 5 minutes. Shut engine down before all hose clamps are retightened (para 4-5). 12 Torque clamps (13, 11, and 1) to 40-60 lb-in. (4.5-6.8 N-m). 7-38