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TM 10-4320-351-14
(5)
Install the fuel lines (7 and 8) to the elbows (12) at the engine fuel filter inlet and outlet.
(6)
Connect the fuel supply line (1) and fuel return line (2) at the engine module quick disconnect connections.
(7)
Position the fuel selector valve (3) to ON or EXTERNAL ON.
(8)
Crack open engine fuel filter vent valve (6) to allow air to escape. Close immediately at first indication of
fuel.
4.9.2 Replace Pumpage Overtemperature Sensor/Sensor Cable (W103). (Refer to figure 4-2.)
This task consists of:
a. Removal
b. Installation
c. Test
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
Sealing Compound, LH-150
(Appendix B, Section III, Item 1)
(Appendix F, Section II, Item 1)
Multimeter
(Appendix B, Section III, Item 10)
Tester, Thermostat
(Appendix B, Section III, Item 11)
Thermometer
(Appendix B, Section III, Item 12)
General Safety Requirements:
Equipment Condition:
Pumping assembly shut down and all valves closed.
(See paragraph 2.6)
WARNING
Fuels are toxic and flammable. Do not get on person
or clothing. Work in well ventilated area. Do not
smoke. Ensure equipment is well grounded.
a.
Removal.
(1)
Place drain pan under pumpage overtemperature sensor (1).
(2)
Disconnect cable assembly W103 (2) at engine module electrical connection panel.
(3)
Remove pumpage overtemperature sensor (1) from bottom of fuel transfer pump discharge housing (3).
b.
Installation.
(1)
Clean sensor threads as required in fuel transfer pump discharge housing (3).
(2)
Apply a light, even coat of sealing compound to pumpage overtemperature sensor (1) threads and install in
fuel transfer pump discharge housing (3).
(3)
Connect cable assembly W103 (2) at engine module electrical connection panel.
c.
Test.
(a)
Sensor Cable
NOTE
The following procedure shall be successfully completed prior to deployment with
the engine operating.
(1)
Disconnect the connector to 1A1J3 receptacle.
(2)
The engine should shut down.
(3)
"PUMPAGE HOT" indicator light on the control panel should illuminate.
(4)
If (2) or (3) do not occur, repair unit before deployment.
(b)
Sensor
CAUTION
Adhere to all safety requirements and provide adequate ventilation and fire
protection.
NOTE
Check sensor continuity at room temperature before starting test.
4-11
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