TM 5-3810-306-20RADIATOR FAN AND FAN GUARD REPLACEMENTTOOLS:General mechanic’s tool kit: automotive (5180-00-177-7033)SUPPLIES:Lockwashers (Item 2, Appendix C) (Quantity 4)EQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.)Engine hood assembly removed. (Refer to page 15-14.)Radiator, mooring brackets, and shroud removed. (Refer to page 7-9.)REMOVAL:1.LOOSEN TENSION ON DRIVE BELT (1).a. Insert 1/2-inch square drive into belt tensioner(2) slot.b. Turn clockwise.c. Push drive belt (1) over fan pulley (3) towardsengine.2.REMOVE RADIATOR FAN (4) AND GUARD (5).a. Hold fan guard (5) and spacer (6) in place.b. Remove four long capscrews (8) andlockwashers (7). Pull fan (4) off spacer (6).Discard lockwashers (7).c. Lift fan spacer (6), fan guard (5), and fan pulley(3) from engine compartment.3.INSPECT PARTS FOR DAMAGE. REPLACE ASREQUIRED.INSTALLATION:1.ASSEMBLE RADIATOR FAN (4), FAN SPACER(6), FAN GUARD (5) AND FAN PULLEY (3).a. Push radiator fan (4) on pulley spacer (6) detent.Align holes.b. Insert four long capscrews (8) and newlockwashers (7).c. Align fan guard (5) center hole with fan spacer(6).d. Put fan pulley (3) on opposite side of fan guard(5).e. Push fan pulley (3) on exposed capscrews (8).2.POSITION DRIVE BELT (1) ON FRONT OFENGINE.3.INSTALL RADIATOR FAN ASSEMBLY ON FANHUB.a. Secure fan assembly with four capscrews (8)and new lockwashers (7).7-4
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