TM 10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE.  (cont) 15-3. Transmission Assembly. (Sheet 14 of 26) ASSEMBLY 83. Install new gasket (145) and plug (144) in transmission housing. 84. Using a plastic hammer, install pin (143). 85. Using a 3/4" open end wrench, install tubes (141 thru 137). 86• Coat  with  lubricating  oil  and  install ten new preformed packings (142), washers  (136)  and  bushings  (135). 87. Using a center punch to prevent pressure from pushing tube out, expand tube ends (141 thru 137). 88. 89. 90. Install clutch pack (120). Using a 3/4" socket and socket wrench handle,  install  new  preformed  packing (119) and bolt (118) on idler shaft (117). Install items 117 thru 114 as an assembly with flat end of idler shaft (117) facing clutch pack (120). Go to sheet 15 15-36