TM  10-3930-638-24&P 3-6.   FUEL   SYSTEM   MAINTENANCE   (cont) a. Fuel Injection Lines and Fittings (cont). STEP LOCATION ITEM ACTION REMARKS INSTALLATION/  REPLACEMENT  (cont) 12 Fuel filters 13 Fuel injector LEAK  TEST 14 a. b. a. b. c. a. b. c. Elbow  (10) Install and tighten Tube nut (9) Connect  and To secure line (13) tighten Cap nut (5), grommet Connect  and To fuel injector (6) and tee (7) tighten Leak-off tubes (3 and 4) Position On tees (7) Sleeve (2) and tube Connect  and To secure tubes (3 and 4) nut (1) tighten Fuel  tank  shut-off Open valve Engine Crank with starter Inlet fitting on injec- Tighten tion tube Until fuel flows from inlet fitting on injec- tion tube (8) Use one hand, two wrench method as shown d.  Engine Start and check for  leaks 3-75