TM 9-6115-668-13
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
WARNING
Do not operate Generator Set 150 kW unless it is properly grounded
and ail load terminals are not shorted. Failure to observe this warning
can result in severe personal injury or death.
NOTE
Beforeoperating Generator Set 150 kW, all connections must be made
to the PDU. See also SEA 150 kW Short Operating Instructions plate
(figure 2-17).
2.8 OPERATING THE ENGINE PREHEATING ASSEMBLY.
The Engine Preheating Assembly can be used at 14 °F (-10 °C) or below and must be used at -22 °F (-30
° C) or below.
a.
Perform the Preventive Maintenance Checks and Services (PMCS) listed as “Before” in table 2-4.
b.
Open flap (1, figure 2-24) Control cabinet assembly controls and indicators are accessible.
c.
Set MASTER SWITCH (8) to ON. BATTERY CHARGING CONTROL (2) and OIL PRESSURE (3)
lamps light up.
Troubleshoot using figure 3-1 if BATTERY CHARGING CONTROL and OIL PRESSURE lamps do not
light up.
d.
Press HEATING ON illuminated pushbutton switch (6):
Heating unit begins operating, and HEATING ON lamp lights up.
NOTE
The READY TO START IF HEATING IS ON lamp (4) may not light up at
temperatures above 14 ° F (-10 ° C), since the temperature switch moni-
toring the oil temperature may perform a shutdown.
e.
The READY TO START IF HEATING IS ON lamp (4) lights up after about 13 minutes.
The diesel engine can be started (the fan motor will continue to run for about 90 seconds).
f.
If the HEATING ON lamp lights up before the READY TO START IF HEATING IS ON lamp (4)
lights up, press the HEATING ON illuminated pushbutton switch (6) again.
g.
if the diesel engine is started before the READY TO START IF HEATING IS ON lamp lights up,
shut down the heating system with the HEATING OFF pushbutton switch (7).
Troubleshoot using figure 3-2 if the HEATING FAILURE lamp (5) lights up, or if the READY TO START IF
HEATING IS ON lamp does not light up (i.e. the engine preheating assembly is not operating properly).
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