TM 9-2320-289-34
3-40.
FUEL INJECTOR PUMP SERVO ADVANCE PISTON REPLACEMENT.
This task covers:
a. Removal
c. Installation
b. Inspection
INITIAL SETUP:
Equipment Condition
Materials/Parts
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)
a.
REMOVAL
CAUTION
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.
NOTE
Ensure that each component is
placed in calibration fluid as it is
removed.
1. Remove and discard 2 retaining rings
(3). Remove pin (5) and rocker lever
(2) from fuel injector pump housing
(l).
2. Carefully invert fuel injector pump.
TA50733
3-136