ARMY TM 9-6115-644110
AIR FORCE TO 35C2-3-446-21
MARINE CORPS TM 09249A/09246A-10/1
TABLE 2-2.
Malfunction Indicator Panel
Key
Control or Indicator
Function
1
NO FUEL indicator
Lights when fuel level in fuel tank
is below preset level.
2
COOLANT HIGH TEMP
Lights when engine coolant
indicator
temperature exceeds 225° ± 5° F
(107° ± 3° F).
3
OVERVOLTAGE indicator
Lights when voltage in 120 volt
generator coil exceeds 153 ± 3
volts.
4
OVERSPEED indicator
Lights when engine speed exceeds 2200
± 40 RPM.
5
REVERSE POWER indicator
Lights when power flow into generator
set exceeds 20 ± 3 percent of rated
current.
6
OVER LOAD indicator
Lights when current in any phase
exceeds 110 percent of rated current.
7
GROUND FAULT CIRCUIT
Tests GROUND FAULT CIRCUIT
INTERRUPTER TEST
INTERRUPTER.
pushbutton
8
GROUND FAULT CIRCUIT
Indicates a ground fault condition.
INTERRUPTER indicator
9
GROUND FAULT CIRCUIT
Rests GROUND FAULT CIRCUIT
INTERRUPTER RESET
INTERRUPTER.
pushbutton
10
SHORT CIRCUIT indicator
Lights when generator set output in
any phase exceeds 425 ± 25 percent
of rated current.
11
UNDER VOLTAGE indicator
Lights when voltage in 120 volt
generator coil winding drops below
99 ± 4 VAC.
12
PUSH TEST RESET LAMPS
Tests and resets fault indicator
switch
lamps.
13
LOW OIL PRESSURE
Lights when engine lubrication
indicator
systems pressure is less than 15 ± 3
psi (103.4 ± 20.7 kPa) during engine
operation.
14
Convenience Receptacle
Circuit breaker trips on when load
Overload Circuit
on convenience receptacle exceeds 10
Breaker (lo-amp in-line
amps (fuse blows on generator sets,
fuse on generator sets,
contract number DAAK01-88-D-D082).
contract number DAAK01-
88-D-DO82)
Change 2
2-7
