TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
Page 222 of 552
TM 9-2350-311-34-2 5-12 VARIABLE RECOIL ASSEMBLY - CONTINUED a. Removal - Continued 6 Measure backlash between spur gear sector (6), spur gear (7), and two sector gears (8) before removal. (a) (b) (c) Measure backlash between one sector gear (8) and spur gear sector (6). Replace if greater than 0.018 inches (0.46 mm). Measure backlash between spur gear (7) and spur gear sector (6). Replace if greater than 0.018 inches (0.46 mm). Measure backlash between other sector gear (8) and spur gear sector (6) and replace if greater than 0.018 inches (0.46 mm). 7 Remove gasket (9) from variable recoil access cover (10) and discard. NOTE Note alinement of index arrows on spur gear sector, spur gear, and sector gears before removing housing assembly. 8 Remove two cap screws (11), two Iockwashers (12), two flat washers (13), and two sector gears (8). Discard lockwashers. 9 Remove four cap screws (14), four Iockwashers (15), and four flat washers (16) from variable recoil housing (17). Discard Iockwashers. 5-78