TM 5-3810-306-20RADIATOR HOSE AND TUBE REPLACEMENTTOOLS:General mechanic’s tool kit: automotive (5180-00-177-7033)Drain PanSUPPLIES: Lockwashers (Item 63, Appendix C)Anti-freeze (Item 10, Appendix C)Clean rags (Item 1, Appendix C)Sealant (Item 79, Appendix C)EQUIPMENT CONDITIONS: Engine cool to touch.Disconnect ground cable at shunt. (Refer to page 8-109.)REMOVAL: WARNINGPressurized cooling system. Removeradiator cap slowly and only whenengine is cool, or burns could result.1.CLOSE SHUTOFF VALVE (1) AND DRAINRADIATOR.a. Turn shutoff (1) clockwise to close.b. Remove radiator cap (2).c. Put drain pan under radiator. Open petcock (3).d. Close petcock (3) when radiator has completelydrained.2.DISCONNECT TOP AND BOTTOM RADIATORHOSES (9, 10, 11 AND 12), TUBES (13 AND 14),AND CLAMPS (4).a. Loosen eight clamps (4). Remove capscrew (5),lockwasher (6), flatwasher (7), and tubing clamp(8). Discard lockwasher (6).b. Pull top hose (9) and bottom hose (10) fromradiator adapters. Allow coolant to drain fromhoses.7-6
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