TM 9-2320-387-24- 1
3-37. FUEL INJECTION RETURN HOSES REPLACEMENT
This task covers:
a. Fuel Drain-Back Hose Removal
b. Fuel Drain-Back Hose Installation
c. Tube-to-Nozzle
Hose Removal
d. Tube-to-Nozzle
Hose Installation
INITIAL SETUP:
e. Nozzle-to-Nozzle
Hose Removal
f.
Nozzle-to-Nozzle
Hose Installation
g. Nozzle Cap Removal
h. Nozzle Cap Installation
Tools
?&era1
mechanic’s tool kit:
General Safety Instructions
Do not perform this procedure near fire, flames, or
automotive (Appendix B, Item 1)
sparks.
Manual References
TM 9-2320-387-10
TM 9-2320-387-24P
Maintenance
Level
Unit
Equipment Condition
l Engine access cover removed (para. 10-22).
l Air horn removed (nara. 3-14).
WARNING
Diesel fuel is highly flammable. Do not perform this procedure near
fire, flames, or sparks. Severe injury or death may result.
CAUTION
Cover or plug all hoses and connections immediately after disconnection
to prevent contamination. Remove all plugs prior to conntion.
NOTE
Have drainage container ready to catch fuel.
a. Fuel Drain-Back Hose Removal
1.
Loosen two clamps (2) and remove hose (3) from injection pump (4) and fuel drain-back tube (1).
2.
Remove two clamps (2) from hose (3).
b. Fuel Drain-Back Hose Installation
1.
Install two clamps (21 on hose (3).
2.
Connect hose (3) to injection pump (4) and fuel drain-back tube (1) with two clamps (2).
c. Tube-to-Nozzle
Hose Removal
1.
Loosen two clamps (5) and remove hose (6) from nozzle (7) and fuel drain-back tube (1).
2.
Remove two clamps (5) from hose (6).
I
-l
d. Tube-to-hozzle
Hose Installation
-7
1.
Install two clamps (5) on hose (6).
2.
Connect hose (6) to nozzle (7) and fuel drain-back tube (1) with two clamps (5).
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