TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
Page 167 of 670
TM 9-2815-202-34 e. Installation (1) (2) (3) (4) (5) (6) Install a drive gear support gasket (4) on drive gear support assembly (3). Insert drive gear support assembly through rear end plate so blower drive gear meshes with right bank camshaft gear. Install two bolts (1) and two copper flat washers (2) in two lower holes of blower drive support assembly (3). Torque bolts to 25-30 Ib-ft (34-41 N-m). Install four bolts (12) , 3/8-24 x 4 1/2 inch, and one nut (13), 3/8-24, in remaining four holes of blower drive support. Bolts to be installed from rear to front. Torque bolts to 25-30 Ib-ft (34-41 N-m). Using dial indicator, measure backlash between blower drive gear and right bank camshaft gear. Backlash must be between 0.002 inches minimum and either 0.008 inches maximum with new gears or 0.010 inches maximum with used gears. Remove four bolts (12), 3/8-24 x 4 1/2 inch, and one nut (13), 3/8-24. END OF TASK FOLLOW-ON MAINTENANCE Para Description 5-15 Blower drive shaft and hub installed (7083-7391, 7083-7396, and 7083-7399) 4-18 Blower installed 4-16 Blower drive shaft and hub installed (7083-7395 and 7083-7398) 4-15 Breather installed Change 1 4-65