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 (Cont'd) TM 9-2320-387-24-1 3-114 Change 1 CAUTION To ensure proper cooling of engine, upper edge of shroud must align with radiator top tank seam or damage to equipment may result. 1. Install fan shroud (21) on radiator (9), with shroud edge (22) aligning with tank seam (23), with two retaining strips (20), eight lockwashers (17), and capscrews (18). Tighten capscrews (18) to 6 lb-ft (8 N•m). 2. Install two brackets (3), insulators (4), support brackets (24), and bracket (28) (left side), on radiator stud (4.1) with two large washers (2) and new locknuts (1). Tighten locknuts (1) to 20 lb-ft (27 N•m). 3. Install radiator (9) on frame bracket (14), aligning two support brackets (24) to airlift brackets (29). 4. Install support brackets (24) on airlift brackets (29) with four capscrews (32), washers (31), and locknuts (30). Do not tighten locknuts (30). 5. Install radiator (9), large washer (12), and mount (13) on frame bracket (14) with washer (11), washer (15), capscrew (16), washer (11), and locknut (10). Do not tighten capscrew (16). 6. Install crossbrace (5) on airlift brackets (29) with four capscrews (19), washers (6), and locknuts (7). 7. Tighten nut (8) on crossbrace (5) until slack is removed. c. Installation b. Cleaning and Inspection WARNING Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with effective chip guarding and personal protective equipment (goggles/shield, gloves, etc.). 1. Remove dirt, trash, and insects embedded in radiator fins using water and compressed air. 2. Inspect radiator adapter (25) for damage. Replace adapter (25) if damaged. 3. Inspect radiator (9) for breaks, punctures, cracks, and splits. Replace radiator (9) if broken, punctured, cracked, or split. 4. Inspect shroud bulkhead adapter (26) for damage. Replace bulkhead adapter (26) if damaged. 5. Inspect fan shroud (21) for cracks, splits, and breaks. Repair fan shroud (21) if cracked, split, or broken. Replace fan shroud (21) if damaged beyond repair. 6. Inspect fan drive hose (27) for cracks or damage. Replace if cracked or damaged.