TM 5-3810-306-20THERMOSTAT REPLACEMENTTOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033)Drain panThermometerHeaterSUPPLIES: Clean rags (Item 1, Appendix C)Anti-freeze (Item 10, Appendix C)Gasket (Item 24, Appendix C)Casket (Item 25, Appendix C)EQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.)Anti-freeze drained from radiator.Radiator hose removed from outlet connection.(Refer to page 7-6.)REMOVAL:1. RELIEVE PRESSURE ON BELT TENSIONER (8)AND REMOVE BELT FROM ALTERNATORAND BELT TENSIONER. (REFER TO PAGE 7-23).2. LOOSEN ALTERNATOR (12).a. Remove nuts (11), washers (10) and capscrews(9) from alternator top bracket.b. Loosen capscrew (13).c. Allow alternator to drop out of way of thermostathousing.3. REMOVE THERMOSTATS (7).a. Remove capscrews (1) and (4) from thermostathousing (5). Remove water outlet connection(2). Discard connection gasket (3).b. Remove tubing from elbow in block.c. Remove thermostat housing (5) and belttensioner assembly (8) from cylinder block.d. Remove thermostats (7) and thermostat gasket(6). Cover opening with clean rag. Discardgasket.7-16
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