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TM  5-2815-241-34&P FUEL INJECTOR - CONTINUED ACTION LOCATION ITEM REMARKS TESTING -  CONTINUED 93. ST-790 injector test  stand  (1) 94. 95. 96. 97. 98. Air  valve  (2) Open to clamp injector in place. Make  sure  ST-790  injector  test  stand link  is  alined. Hydraulic  valve  (3) Close to lock injector in place. Motor  switch  (4) Place  in  start  position. Check  temperature  gage  (5).  Test  oil testing  temperature  should  be  90°  to 95°F  (32°  to  35°C). Regulator  knob  (6) Adjust by turning until pressure gage (7) reads 120 psi (827 kPa). Flow  start switch  (8) Press  in  until  counter  (9)  reads  the  same number  of  strokes  as  ST-1210  master injector. Vial  (10) Observe   reading. Correct reading Is 182 to 183 cc at 120 psi (827 kPa). NOTE If vial reading Is greater than 183 cc, proceed with steps 99 thru 103 to install new orifice plug,  and  recheck  delivery  steps  95  thru  98.  If  vial  reading  is  less  than  182  cc,  proceed with steps 103 and 104 to burnish orifice plug, and recheck delivery steps 95 thru 96. If  vial  reading  is  correct  at  182  to  183  cc,  proceed  with  steps  105  thru  113. 99.   ST-708   burnishing tool  adapter  (11) Injector  inlet  con- nectar  (12)  and burnishing tool (13) Remove  by  turning  large  knob  section  (14) out until assembly is free. 2-378


 


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