TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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NOTE Perform steps 39 through 52 for M997A2 vehicles only. 39. Remove screw (10) and clamp (11) from adjusting bracket (5). NOTE Prior to removal, tag leads for installation. 40. Disconnect two compressor leads (23) from two harness leads (24). 41. Remove nut (9), lockwasher (8), and washer (7) from adjusting bracket (5) and stud (2) on engine front cover (1). Discard lockwasher (8). 42. Remove two nuts (14), lockwashers (13), washers (12), capscrews (3), washers (4), and clamp (21) from adjusting bracket (5) and compressor (20). Discard lockwashers (13). 43. Remove adjusting bracket (5) and washer (6) from stud (2) on engine front cover (1). 44. Position 3/8-inch breaker bar on belt tensioner (45), move tensioner (45) clockwise, and remove drivebelt (16) from pulley (15). Release belt tensioner (45). 45. Loosen hose clamp (26) and disconnect hose (27) from surge tank (25). 46. Disconnect vent line (31) from elbow (32) on air cleaner (30). 47. Disconnect vent line (28) from fitting (29) on air cleaner (30). 48. Remove two capscrews (17), lockwashers (18), and washers (19) from compressor (20) and support bracket (22). Discard lockwashers (18). NOTE Place surge tank hose clear of compressor. CAUTION ______ Be careful when removing compressor from support bracket, or damage to equipment may result. NOTE Place compressor and hoses on ground away from engine to prevent hang-ups during engine removal. 49. Remove compressor (20) from support bracket (22). 50. Remove capscrew (41) and brackets (22) and (43) from cylinder head (44). 51. Remove two nuts (39), lockwashers (38), washers (37), four clamps (35), and cables (36) from two studs (34). Discard lockwashers (38). 52. Remove two studs (34), washers (33), two fuel line clamps (40), and brackets (22) and (43) from cylinder head (44) and engine block (42). 3-24. ENGINE REMOVAL (6.5 L) (Cont’d) TM 9-2320-280-34 3-124 Change 1