TM 5-3810-307-24-1-2
Fuel System Fuel Injectors. (Refer to Figure K-26.)
The fuel injectors are normally removed for replacement.
Removal.
a.
Close the fuel pump feed and return shutoff valves (handles perpendicular to the lines).
b.
Using a suitable container to catch any fuel, disconnect the braided fuel injector line (1,
Figure K-26) from the fuel injector (2).
c.
Loosen the hose clamp (3) securing the rubber waste fuel line (4) to the waste fuel outlet
fitting (5) on the fuel injector (2) and disconnect the line from the fitting (5).
d.
Remove the waste fuel outlet fitting (5) from the fuel injector (2) and retain.
e.
Remove the two injector clamp capscrews (6) securing the injector clamp (7) to the
injector mounting base (carrier) (8). Remove the injector clamp (7).
f.
Remove the injector (2) as an assembly and the brass washer (injector seal) (9) from the
injector mounting base (carrier) (8).
NOTE
It is normally not required to remove the injector mounting base (carrier)
(8) to replace the injector (2).
g.
If replacement of the injector mounting base (carrier) (8) is necessary, remove the
injector mounting base (carrier) (8) as follows:
1)
Remove the three capscrews (10) securing the injector mounting base (carrier) (8)
to the lower cylinder.
2)
Remove the injector mounting base (carrier) (8) and the discard the bronze washer
(injector carrier seal) (11) from the lower cylinder.
Installation.
a.
If installation of the injector mounting base (carrier) (8, Figure K-26) is necessary, install
the injector mounting base (carrier) (8) as follows:
1)
Align the new bronze washer (injector carrier seal) (11) and injector mounting base
(carrier) (8) with the mounting holes in the lower cylinder.
Place Loctite 272 (red) on the three capscrews (10). Secure the injector mounting
2)
base (carrier) (8) and the bronze washer (injector carrier seal) (11) to the lower
cylinder with the three capscrews (10). Tighten the capscrews and torque to 60 ftlb
(81 Nm).
b.
Place the injector (2) assembly and the brass washer (injector seal) (9) in the injector
mounting base (carrier) (8).
K-62 Change-1
