TM 9-2320-280-20-2
3-36. FUEL INJECTION RETURN HOSES REPLACEMENT
This task covers:
a. Fuel Drain Back Hose Removal
e. Nozzle to Nozzle Hose Removal
b. Fuel Drain Back Hose Installation
f. Nozzle to Nozzle Hose Installation
c. Tube to Nozzle Hose Removal
g. Nozzle Cap Removal
d. Tube to Nozzle Hose Installation
h. Nozzle Cap Installation
INITIAL SETUP:
Tools
Equipment Condition
General mechanic’s tool kit:
Engine access cover removed (para. 10-15).
automotive (Appendix B, Item 1)
Air horn removed (para. 3-14).
Manual References
General Safety Instructions
TM 9-2320-280-10
Do not perform this procedure near fire, flames, or
TM 9-2320-280-24P
sparks.
W A R N I NG
Diesel fuel is highly flammable. Do not perform this procedure
near fire, flames, or sparks. Severe injury or death will result.
CAUTION
Cover or plug all hoses and connections immediately after disconnection
to prevent contamination. Remove all plugs prior to connection.
N O TE
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 (2) to 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).
d. Tbbe to Nozzle Hose Installation
1. Install two clamps (5) to hose (6).
2. Connect hose (6) to nozzle (7) and fuel drain back tube (1) with two clamps (5).
3-68
