TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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3-62. RADIATOR AND FAN SHROUD ASSEMBLY MAINTENANCE TM 9-2320-387-24-1 3-112 Change 1 This task covers: a. Removal c. Installation b. Cleaning and Inspection INITIAL SETUP: a. Removal NOTE The radiator and fan shroud are removed as a unit. 1. Loosen clamp (2) and disconnect radiator inlet hose (1) from radiator (3). 2. Loosen clamp (5) and disconnect surge tank-to-radiator vent hose (4) from adapter (6). 3. Disconnect control valve hose (14) from elbow (16). 4. Disconnect fan drive hose (17) from fan drive (18). 5. Disconnect elbow (16) from shroud bulkhead adapter (15). 6. Remove clamp (9) and lower radiator front hose (10) from radiator (3). 7. Remove locknut (27), washer (28), capscrew (34), washer (33), washer (32), lower mount (30), and large washer (29) from radiator (3) and frame bracket (31). Discard locknut (27). 8. Remove four locknuts (11), washers (12), and capscrews (13) from two support brackets (8) and airlift brackets (7). Discard locknuts (11). 9. Loosen nut (26) and release tension from cross brace (23). 10. Remove four locknuts (25), washers (24), capscrews (36), and crossbrace (23) from airlift brackets (7). 11. Lift radiator (3) up and remove from vehicle. 12. Remove eight capscrews (35), lockwashers (37), two retaining strips (38), and fan shroud (39) from radiator (3). Discard lockwashers (37). 13. Remove two locknuts (19), large washers (20), bracket (40) (left side), brackets (21), support brackets (8), and insulators (22) from radiator studs (22.1). Discard locknuts (19). Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts Seven locknuts (Appendix G, Item 157 Eight lockwashers (Appendix G, Item 208) Personnel Required One mechanic One assistant Manual References TM 9-2320-387-24P Equipment Condition • Cooling system drained (para. 3-61). • Oil cooler removed (para. 3-8). General Safety Instructions Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Maintenance Level Unit CAUTION Do not bend radiator fins. Damaged fins reduce cooling efficiency, which may damage engine.