TM 9-2320-289-20
3-19.
FUEL DRAINBACK PIPE ASSEMBLY REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Equipment Condition
General Safety Instructions
Alternators, alternator brackets, and
DO NOT perform this procedure near
mounting hardware removed (M1010).
fire, flames, or sparks.
(See paragraph 4-3)
Allow engine to cool before replacing
drainback pipe assembly and
drainback hose.
a.
REMOVAL
WARNING
Diesel fuel is flammable. DO NOT perform this procedure near fire,
flames, or sparks. A fire extinguisher must be on hand in work area.
Failure to follow this warning may result in serious injury or death.
Allow engine to cool before replacing drainback pipe assembly (5) and
drainback hose (1). Failure to follow-this warning may result in serious
burns.
1.
Remove 2 clamps (9) and disconnect 2 drainback hoses (8).
2.
Remove clamp (2) and disconnect fuel injector pump drainback hose (1).
3.
Remove nut (7) and clip (6). Remove bolt (10) and clip (11). Remove bolt (4), clip (3), and
drainback pipe assembly (5).
b.
INSTALLATION
1.
Install drainback pipe assembly (5) with bolt (4) and clip (3), bolt (10) and clip (11), and nut
(7) and clip (6).
2.
Install 2 drainback hoses (8) with 2 clamps (9).
3.
Install fuel injector pump drainback hose (1) with clamp (2).
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