TM   5-2815-241-34&P FUEL  INJECTOR  -  CONTINUED ACTION LOCATION ITEM REMARKS 69.  ST-668  spray  angle tester  (1) Holddown bracket  (10) 70. Injector  (7) Remove  from  ST-668  spray  angle  tester. 71. Plug (9) Remove from adapter drain opening. 72. Injector  (7) Remove  from  adapter. Loosen   thumbscrew   (11). INJECTOR DATA MARKINGS ON INJECTOR ADAPTER MARKING 12 - INJECTOR FLOW MARKING 13 -PERCENT FLOW MARKING 14 - NUMBER OF HOLES MARKING 15 - SIZE OF HOLES MARKING 16 - DEGREE OF HOLES T A    2 4 2 5 8 8 2-373