CHAPTER 4: MAINTENANCE OF MAIN ENGINE FUEL, AIR INTAKE, AND EXHAUST SYSTEMS
TM 9-2350-256-20
4-20 REPLACE MANIFOLD HEATER FUEL RETURN SOLENOID VALVE-Continued
a. REMOVAL
1
Disconnect electrical harness connector (1).
2
Disconnect fuel solenoid outlet tube (2) and two
fuel solenoid inlet tubes (3) from solenoid valve (4).
3
Remove solenoid valve (4) with related fittings
from mounting bracket (5) by removing two
assembled washer bolts (6) and two flat washers
(7).
4
Remove mounting bracket (5) by removing three
assembled washer bolts (8).
5
Remove fuel solenoid inlet coupling (9), elbow (10),
and tee (11) from solenoid valve (4).
6
Remove outlet elbow (12), fuel return check valve
(13), and elbow (14) from solenoid valve (4).
b. INSTALLATION
NOTE
If fuel return check valve (13) is removed, it must be installed with arrow pointing down.
1
Install outlet elbow (12), fuel return check valve (13), and elbow (14) on solenoid valve (4).
2
Install tee (11), elbow (10), and fuel solenoid inlet coupling (9) on solenoid valve (4).
3
Install mounting bracket (5) with three assembled washer bolts (8).
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