ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-76-3. Testing
a.
Remove fuel level sender, paragraph 2-76-2.
b. Position fuel level sender in vertical position, similar to position as installed in fuel tank.
c.
Set multimeter for ohms and connect positive lead to fuel level sender terminal, and negative lead to sender
ground.
d.
With fuel level sender arm resting freely in what would be an empty position, multimeter should indicate 216
to 264 ohms.
e.
Move fuel level sender arm up to what would be a full position and multimeter should indicate 29.7 to 36.3 ohms.
f.
Replace fuel level sender if indications are not as above.
g.
Install fuel level sender, paragraph 2-76-4.
2-76-4. Installation.
a.
Remove cover in fuel tank opening; clean, make flat, and smooth mating surfaces to gasket (5, Figure 2-21),
ensuring no foreign material enters fuel tank. Apply sealant (Item 19, Appendix C) to both sides of gasket (5).
b. Position fuel level sender (4) and gasket (5) to fuel tank. Ensure sender (4) is seated evenly in fuel tank and
is in the same position as removed.
c.
Install screws (1), Iockwashers (2), and washers (3).
d. Connect electrical leads and remove tags.
e.
Install front housing panel, paragraph 2-18-4.
f.
Connect negative battery cable and close access door.
2-77. LOW FUEL LEVEL/AUXILIARY FUEL PU MP FLOAT SWITCH.
2-77-1. lnspection.
a.
Shut down generator set.
b. Open left side engine access door and disconnect negative battery cable.
c.
Remove front housing panel, paragraph 2-18-1.
d.
Inspect low fuel level/auxiliary fuel pump float switch (9, Figure 2-21) for loose connections and mounting.
e.
Install front housing panel, paragraph 2-18-4.
f.
Connect negative battery cable and close access door.
2-77-2. Removal.
a.
Shut down generator set.
b. Open left side engine access door and disconnect negative battery cable.
c.
Remove front housing panel, paragraph 2-18-1.
d. Tag and disconnect low fuel level/auxiliary fuel pump float switch (9, Figure 2-21) electrical connector.
e.
Remove screws (6), Iockwashers (7), washers (8), float switch (9), and gasket (10) from fuel tank. Note position
of float switch when removing. Float switch must be in same position when installing to ensure clearance with
fuel tank.
f.
Cover fuel tank opening.
2-110 Change 1
