TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download
Page 31 of 336
SPUR GEARSHAFT (14 TEETH ON ASSEMBLY ) ((13 TEETH ON ASSEMBLY A)) TM 9-2520-238-34 EQUIPMENT DESCRIPTION AND DATA — Continued 0002 00 PIVOT BRAKE RELEASED. Upon release of hydraulic pressure, wave washers in the housings pull the pistons and linings away from the brake disk and releasing the disk and output shaft on the differential. REPAIR FINAL DRIVE ASSEMBLIES GENERAL. Final drive assemblies transmit power from the steering control differential to the track drive sprockets. The final drives consist of reduction gears encased in a forged housing with a cast cover and use a flat gasket to seal the cover to the FINAL DRIVE ASSEMBLIES A AND B. Final drive A has a spur gearshaft with 13 teeth and a spur gear with 56 teeth, resulting in a gear ratio of 4.308:1. Final drive B has a spur gearshaft with 14 teeth and a spur gear with 55 teeth, resulting in a gear ratio of 3.929:1. Final Drive Assembly A and B 0002 00-11 housing. SPUR GEAR (55 TEETH ON ASSEMBLY B) (56 TEETH ON ASSEMBLY A) SPUR GEARSHIFT (14 TEETH ON ASSEMBLY B) (13 TEETH ON ASSEMBLY A)