TB-9-2320-335-13&P HMMWV Operator and Field Maintenance, Parts, Tools M1151A1 M1152A1 M1165A1 Download
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TB 9-2320-335-13&P 3-44 3-80.1. FAN BLADE AND FAN CLUTCH MAINTENANCE (SERIAL NUMBERS 300000 AND ABOVE) This task covers: a. Removal c. Installation b. Inspection INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts Four lockwashers (Appendix A, Item 144) Sealing compound (Appendix C, Item 71) Six lockwashers (Appendix A, Item 145) Manual References TB 9-2320-335-13&P, Appendix E Equipment Condition Radiator and fan shroud assembly removed (para. 3-62.1). Maintenance Level Unit 1. Remove four capscrews (2), lockwashers (3), washers (4), and fan blade (5) from geared fan drive hub (6). Discard lockwashers (3). 2. Remove six capscrews (7), lockwashers (8), washers (9), and fan blade (5) from fan clutch (1). Discard lockwashers (8). Inspect fan blade (5), geared fan drive hub (6), and fan clutch (1) for damaged threads, cracks, bent blades or breaks. Replace if damaged. CAUTION Balance holes must face down towards geared fan drive hub. 1. Apply sealing compound to capscrews (2) and (7). 2. Install fan clutch (1) on fan blade (5) with six washers (9), lockwashers (8), and capscrews (7). Tighten capscrew (7) to 13-16 lb-ft (18-22 N•m). 3. Install fan blade (5) on geared fan drive hub (6) with four washers (4), lockwashers (3), and capscrews (2). Tighten capscrew (2) to 37 lb-ft (50 N•m). c. Installation b. Inspection a. Removal