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TM   5-2815-241-34&P FUEL  INJECTOR  -  CONTINUED ACTION LOCATION ITEM REMARKS 18.  Injector  spring a. Inspect  injector  spring  for  excessive wear  or  mutilation. If  excessive  wear  or  mutilation  exists, replace  injector  spring. b. Using  spring  tester,  test  injector  spring. Compare  to  specifications  in  table below. If  injector  spring  compresses  to dimensions  shown  below,  at  less  than load  indicated  under  worn  limit, replace  injector  spring. INJECTOR  SPRING  DATA LOAD REQUIRED TO COMPRESS SPRINGS TO LENGTH APPROXIMATE FREE LENGTH LENGTH NEW  MINIMUM NEW  MAXIMUM WORN  LIMIT IN.  (MM) IN.  (MM) LB (KG) LB (KG) LB (KG) 1.95 1.663 143.25 158.75 138 (49.7) (42.2) (65) (72) (63) ASSEMBLY WARNING Fuel is flammable and can explode. To avoid serious injury or death, keep fuel away from open fire and keep fire extinguisher within easy reach when working with fuel. Smoking  is  prohibited  while  working  with  fuel. CAUTION Do not touch internal parts unless hands are clean and moistened with fuel oil. Acids from  skin  can  corrode  internal  parts  and  affect  their  close  tolerances. Lubricate parts only with clean fuel oil before assembly. Do not use lubricating oil. Lubricating  oil  can  crystalize  under  excessive  heat,  causing  damage  to  injector components. Make sure that all mating surfaces are free of burrs or other imperfections which could result  in  incorrect  fuel  flow  or  torque. NOTE If the two barrel location pins were removed, install new spiral pins into the barrel. 2-363


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