TM 9-2520-246-34-1 INDEX-CONT Subject D- Cont Countershaft rear bearing and cover . . . . . . . . . . . . . .. Input shaft assembly . . . . . . . . . . . . . . . . . . . . Input shaft bearing cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mainshaft assembly. . . . . . . . . . .. . . . . . . . . . . . Mainshaft rear bearing cap . . . . . . . . . . . . . . . . . . . . . . . . . . . Power takeoff access cover (trucks without power takeoff installed) . . . . . . . . . . . . . . . . . . . . . . Reverse idler gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . Shifter shaft cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Disassembly of transmission transfer into subassemblies, maintenance of transmission transfer assembly . . . . . . . . . . . . . . . . . . . . . . . Case cover . . . . . . . . . . . . . . . . . . . . . Companion flanges . . . . . . . . . . . . . . . . . . . . . Countershaft rear bearing cover . . . . . . . . . . . . . . . . . . . . . . Front output case assembly (model T-136-27) . . . . . . . . . . Front output case assembly (model T-136-21) . . . . . . . . . . Front output clutch (model T-136-27) . . . . . . . . . . . . . . . . . Front output shaft and drive gear (model T-136-21) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Handbrake brakedrum and brakeshoe assembly . . . . . . . . Input shaft assembly and shifter fork . . . . . . . . . . . . . . . . . Input shaft front bearing cover . . . . . . . . . . . . . . . . . . . . . . Input shaft rear bearing cover (trucks without power takeoff installed) . . . . . . . . . . . . . . . Mounting transmission transfer assembly in stand . . . . . . . . . . . . . . . . . . . . . . . Rear output shaft and countershaft assemblies . . . . . . . . . Rear output shaft rear bearing retainer . . . . . . . . . . . Top cover and shifter shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . E Equipment improvement report and maintenance digest and equipment improvement report and maintenance summary . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment items covered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment items not covered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F Final assembly, maintenance of transmission . . . . . . . . . . . Clutch release assembly . . . . . . . . . . . . . . . . . . . . . . . . Companion flange . . . . . . . . . . . . . . . . . . . . . . . . . . . Countershaft assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Countershaft rear bearing and cover . . . . . . . . . . . . . . . . . Paragraph Page 2-4f 2-4j 2-4h 2-4 2-4e 2-4g 2-41 2-4a 2-14 2-14i 2-14b 2-14m 2-14d 2-14f 2-14e 2-14g 2-14c 2-141 2-14h 2-14o 2-14a 2-14j 2-14n 2-14k 1-10 2-1 2-2 2-11 2-11k 2-11i 2-11b 2-llg 2-12 2-20 2-15 2-16 2-11 2-14 2-24 2-2 2-113 2-124 2-115 2-128 2-119 2-121 2-120 2-122 2-117 2-127 2-123 2-130 2-114 2-125 2-129 2-126 1-1 2-1 2-1 2-87 2-105 2-102 2-88 2-98 Index 3