TM 5-3810-306-20
RADIATOR HOSE AND TUBE REPLACEMENT
TOOLS:
General mechanic’s tool kit: automotive (5180-00-177-7033)
Drain Pan
SUPPLIES: 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:
WARNING
Pressurized cooling system. Remove
radiator cap slowly and only when
engine is cool, or burns could result.
1.
CLOSE SHUTOFF VALVE (1) AND DRAIN
RADIATOR.
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 completely
drained.
2.
DISCONNECT TOP AND BOTTOM RADIATOR
HOSES (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) from
radiator adapters. Allow coolant to drain from
hoses.
7-6
