Quantcast Figure 4-14.  Timing Adjustment

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ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 4-20 4-11.  FUEL INJECTION PUMP MAINTENANCE  -  cont. 8. Injection  timing  can  be  adjusted  by  adding  or removing injection pump shims (7, Figure 4-14).   If fuel is injected before a 16 degree rotation, add shims.    If  fuel  is  not  injected  until  after  a  18 degree  rotation,  subtract  shims.    Each  0.1  mm (0.0039 inch) shim changes timing by 1 degree. 9. Add or subtract shims (7) as required and retest to ensure  proper  timing.    Install  fuel  pipe  (1)  onto injection   pump   (2).      Install   flywheel   housing (Para. 3-13).         Figure 4-14.  Timing Adjustment


 


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