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ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 4-53 (11) Check timing marks on back side of front plate (1, Figure 4-42) and injection pump flange (2).  If timing marks are not aligned, or not clearly visible, scribe a visible reference mark in line with mark on pump flange. LEGEND 1 FRONT PLATE TIMING MARK 2 INJECTION PUMP FLANGE TIMING MARK 3 INJECTION PUMP MOUNTING FLANGE NUT Figure 4-42.  CHECK TIMING MARKS (12) Remove fuel injection pump (26, Figure 3-17), and sealing ring (32).  Discard sealing ring. (13) Cover all openings to prevent entry of foreign material. b.    Inspection. (1) Inspect all fuel lines for wear, kinks or fitting damage.  Repair as necessary. NOTE Use a good light source to thoroughly inspect gear ID and shaft OD. (2) Inspect injection pump drive gear ID full 360° for metal transfer as a result of slippage on shaft (3) Inspect injection pump drive shaft OD full 360° for presence of metal transfer from gear slippage.   Also, check index pin in shaft for damage, indicating gear slippage. c.     Replacement. (1) Remove fuel injection pump, refer to step a. (2) Perform inspection, refer to step b.  Replace fuel injection pump if damaged. (3) For fuel injection pump installation, refer to step e.


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