TM 9-2320-289-343-42.FUEL INJECTOR PUMP HYDRAULIC HEAD MAINTENANCE (Con’t).8.9.10.CAUTIONCarefully hold hydraulic head assembly (10) to keep rotor (16) from fallingout. Failure to follow this caution may result in damage to rotor.Invert hydraulic head assembly (10) and place on weight retainer (7). Install 2 retainers (14) inhydraulic head assembly with cutout portions meeting over roll pin locating hole (1 5), Installlocating ring (12) at a 90 degree angle to split in retainers, and bottom out against hydraulichead.Invert hydraulic head assembly (10) and place on connectors (13). Install 6 weights (5) inweight retainer (7), with slots facing inward. Install thrust sleeve washer (11) and thrust sleeve(6) into slots of weights.Check to ensure that all weights (5) are level and collapsed against thrust sleeve (6).Reposition any weights that are not properly positioned.e. INSTALLATION 1.Install new hydraulic head seal (9) on hydraulic head assembly (10).2.Apply grease to exterior of hydraulic head assembly (10). Apply a light film of “O” ringlubricant to inside edge of fuel injector pump (2) housing.TA507513-154
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business