ARMY TM 9-6115645-24
AIR FORCE TO 35C2-34412
MARINE CORPS TM 09244A/09245A-24/2
2-23.4. Installation.
a. Insert FUEL LEVEL indicator (4, FIGURE 2-12) into control panel.
b. Install damp (3), washers (2) and nuts (1).
c. Connect electrical leads and remove tags.
d. Raise and secure control panel.
e. Connect negative battery cable.
Close battery access door.
2-24.
COOLANT TEMP. INDICATOR.
2-24.1. Inspection.
a. Shut down generator set.
b. Inspect indicator for broken lens, cracked housing, or other damage.
2-24.2. Testing.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c. Release control panel by turning two fasteners and lower control panel slowly.
NOTE
On MEP-806A, ensure frequency selector switch is in 50 Hz position.
d. Isolate generator set VOLTAGE adjust potentiometer by disconnecting wire 137A from voltage regulator, terminal
5, and wire 107G from kilowatt transducer, terminal Vl.
e. Disconnect and isolate electrical lead from terminal S of COOLANT TEMP. indicator.
f.
Set multimeter for ohms and connect between wires 137A and 107G.
g. Adjust potentiometer until multimeter indicates between 117 and 143 ohms resistance.
h. Disconnect multimeter but do not disturb potentiometer setting.
i.
Connect jumper wire between disconnected wire 107G and terminal G of COOLANT TEMP. indicator.
j.
Connect jumper wire between disconnected wire 137A and terminal S of COOLANT TEMP. indicator.
k. Connect negative battery cable and move generator set MASTER SWITCH to PRIME & RUN position.
I.
COOLANT TEMP. indicator should indicate between 116 and 1640F.
m. Move MASTER SWITCH to OFF position and disconnect negative battery cable.
n. Repeat steps f through h, setting potentiometer to between 58.5 and 71.5 ohms.. Connect negative battery cable
and move MASTER SWITCH to PRIME & RUN position.
p. COOLANT TEMP. indicator should indicate between 156 and 204°F.
q. Move MASTER SWITCH to OFF position and disconnect negative battery cable.
r. Replace COOLANT TEMP. indicator if indications are other than above.
s. Remove jumper wires and connect electrical leads to COOLANT TEMP. indicator, voltage regulator and kilo watt
transducer.
t. Raise and secure control panel.
u. Connect negative battery cable and close access doors.
2-54 Change 3
