FUEL INJECTOR PUMP SERVO ADVANCE PISTON REPLACEMENT.
This task covers:
l Fuel injector pump removed.
. One advance screw hole seal
(See paragraph 3-37)
l One servo plunger seal
l Two plug seals
Tools /Test Equipment
l TWO retaining rings
l Torque wrench
. Calibration fluid (Item 13, Appendix B)
Ensure that work area, tools, and hands are kept clean when repairing
fuel injector pump. Failure to follow this caution may result in damage
to fuel injector pump components.
DO NOT attempt to adjust or remove servo adjusting screw (4). Failure
to follow this caution may result in damage to fuel injector pump.
Ensure that each component is
placed in calibration fluid as it is
1. Remove and discard 2 retaining rings
(3). Remove pin (5) and rocker lever
(2) from fuel injector pump housing
2. Carefully invert fuel injector pump.