Removal of Fuel Control Unit Assembly

TM 9-2910-226-34

3-8. Removal of Fuel Control Unit Assembly. Refer

to figure 3-6. Remove retaining pin (A). Cut locking

wire (B) and remove two screws and lockwashers (C).

Remove control unit retainer (D) and fuel control

unit assembly (E).

Figure 3-7. Removing fuel density compensator

(early code F pumps).

Figure 3-6. Removing fuel control unit assembly.

b. Removal of Compensators.

3-9. Removal of Fuel Density Compensator

(1) Early code F injection pump. Refer to figure

Assembly and Governor Cover and Stop Plate and

3-7. Remove hose assembly (A) and tube (B) from

Bridge. a. General The fuel density compensator

tees and elbows. Remove and discard locking wire

assembly is mounted above the governor housing.

and seal (C). Remove four capscrews (D), lock-

A hose or tube (A, fig. 3-7) connects the density

washers (E), tamper proof cover (F) and spacers (G)

compensator to the hydraulic head and carries fuel

securing compensator to governor housing. Tap fuel

under pressure to the head. Excess or overflow fuel is

density compensator (H) with a soft hammer to

carried from the density compensator to the overflow

break gasket seal and remove fuel density com-

valve assembly by a tube (B).

3-3