TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download

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TM 9-2320-280-34 3 - 23. ENGINE INSTALLATION (6.2L) (Cont’d) 139. Align radiator assembly (3) on frame bracket (21), and rear support brackets (24) to airlift brackets (7). 140. Install rear support brackets (24) on airlift brackets (7) with four capscrews (12), washers (11), and locknuts (10). Do not tighten locknuts (10). 141. Install radiator assembly (3) and mount (20) on frame bracket (21) with large washer (22), washer (19), capscrew (23), washer (19), and locknut (18). Do not tighten capscrew (23). 142. Connect two transmission oil cooler line connector hoses (25) to transmission oil cooler ports (27) and tighten hose clamps (26) to 10-20 lb-in. (1-2 N m). 143. Connect engine oil cooler supply and return lines (29) to engine oil cooler ports (28). NOTE Fan shroud should be aligned so the following dimensions are maintained. Adjustments may be made by tilting the radiator/shroud assembly. Distance "A" from the edge of shroud ring and rear edge of fan must be 1.5 ± .125 in. (38.1 ± 3 mm). Measure distance "A" at the 2, 4, 8, and 10 o'clock positions. Fan blade to fan shroud clearance, the distance between the top of the fan blade and fan shroud, must not be less than .25 in. (6 mm) at any position. 144. Tighten locknuts (10) to 26 lb-ft (35 N m. Tighten capscrew (23) to 30 lb-ft (41 N m). 145. Connect lower radiator front hose (9) to radiator (3) and tighten clamp (8). 146. Connect fan drive hose (13) to fan drive (14). 147. Connect control valve hose (16) to bulkhead adapter (15) and tighten clamp (17). 148. Connect radiator inlet hose (2) to engine and tighten clamp (1). 149. Connect surge tank-to-radiator vent hose (4) to adapter (6) and tighten clamp (5). 3-108