ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-38-3. Removal.
a.
Shut down generator set.
b.
Open left side engine access door and disconnect negative battery cable.
c.
Release control panel by turning two fasteners and lower control panel slowly.
d. Tag and disconnect electrical leads to light receptacle (10, Figure 2-14).
e.
Remove lamp holder (6), nut (8), Iockwasher (9), and receptacle (10) from control panel.
f.
If necessary, remove lamp (7) from lamp holder (6).
2-38-4. InstaIlation.
a.
Install indicator light receptacle (10, Figure 2-14) in control panel with Iockwasher (9) and nut (8).
b.
If removed, install lamp (7) in lamp holder (6).
c.
Install lamp holder (6) on receptacle (10).
d. Connect electrical leads and remove tags.
e.
Raise and secure control panel.
f.
Connect negative battery cable and close access door.
2-39. FUEL LEVEL INDICATOR.
2-39-1.
a.
b.
c.
d.
2-39-2.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
o.
Inspection.
Shut down generator set.
Release control panel by turning two fasteners and lower control panel slowly.
Inspect FUEL LEVEL indicator for cracked lens, loose mounting, corrosion, and other damage.
Raise and secure control panel.
Testing.
Shut down generator set.
Open left side engine access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Isolate generator set VOLTAGE adjust potentiometer by disconnecting wire 156A at terminal 1 and wire 157B
at terminal 2 of AC voltage regulator.
Set multimeter for ohms and connect between terminals L and R of generator set VOLTAGE adjust potentiome-
ter.
Adjust potentiometer until multimeter indicates 216 to 264 ohms resistance.
Remove multimeter, but do not disturb potentiometer adjustment.
Disconnect and isolate electrical lead from terminal S of FUEL LEVEL indicator.
Connect jumper wire between disconnected wire 156A and terminal S of FUEL LEVEL indicator.
Connect jumper wire between disconnected wire 157B and terminal G of FUEL LEVEL indicator.
Connect negative battery cable and move generator set MASTER SWITCH to PRIME & RUN position.
FUEL LEVEL indicator should indicate EMPTY (±1/8 inch).
Move MASTER SWITCH to OFF position and disconnect negative battery cable.
Repeat steps e thru g, setting potentiometer between 29.7 and 36.3 ohms.
Connect negative battery cable and move MASTER SWITCH to PRIME & RUN position.
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