TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 (5) Loosen clamp (8) on water outlet flange seal (9) between elbow (10) and flange (11) on cylinder block. WARNING (6) (7) (8) (9) (10) (11) Support oil cooler to prevent cooler from slipping or falling. injury to personnel can occur if oil cooler should fall during removal. Remove one upper bolt (12) and second bolt from top (13). install guide studs in holes at positions A and B to support oil cooler (6). Remove remaining six bolts (12 and 13) and six Iockwashers (14) securing oil cooler to cylinder block. Discard lockwashers. Using second person, remove oil cooler (6), clamp (8), and flange seal (9). Remove two guide studs from cylinder block. Remove and discard two gaskets (15) from engine block and oil cooler. Clean and remove all traces of gasket material. b. installation (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) install two guide studs, one in each hole at positions A and B, on cylinder block for mounting oil cooler. Position one gasket (15) over guide stud at position (B). install bolt (13) and Iockwasher (14) at position (C) on oil cooler (6). Position Position Position (c). gasket (15) on back of oil cooler at bolt (13) position (C). seal (9) and clamp (8) over water outlet flange (11). oil cooler (6) over guide studs and install bolt (13) and lockwasher (14) at position install three bolts (12), two bolts (13), and five Iockwashers (14). Remove two guide studs from cylinder block. install remaining two bolts (12 and 13) and two lockwashers (14). Torque all bolts (12 and 13) to 30-35 lb-ft (41 -47 N-m). Position gasket (7) between oil cooler tube (3) and oil cooler (6). Secure tube (3) with four bolts (4) and four lockwashers (5). Torque bolts to 30-35 lb-ft (41-47 N-m). Slide hose connection (2) upward onto water pump connection. Tighten hose clamps (1). END OF TASK 3-31