TM  10-3930-638-24&P 4-3.   FUEL   SYSTEM   MAINTENANCE   (cont) b. Fuel Injection Pump (cont). STEP LOCATION ITEM ACTION REMARKS DISASSEMBLY  (cont) af. Metering valve Remove From metering valve (53) as shown below (cont) arm  (55)  and shim (61) 6 Housing, sides a.  Two  head  locking Loosen; remove one screws (63) b.  Fuel  injection Invert  in  vise pump  and holding  fixture 7 Automatic a. Head locating Remove Use 7/16 inch deep well socket advance  group screw (64) (sides and b. Two seals (65) Remove  and bottom of discard housing) c.  Advance  screw Loosen Tap  gently  with  hammer hole plug (66) d. Advance screw Remove Use tool P/N 14490 hole plug (66) e. Seal (67) Remove  and discard NOTE Power side piston is located on side of housing marked with letters  CC  (just  above  advance  boss). f.  Spring  side Remove Remove plug (68), piston (71), spring (72), advance  piston and slide washer (70) as an assembly. hole plug (68) 4-98