TM 5-6115-590-12
Figure 2-16(2). Operation to Deliver Heated Air (Sheet 2 of 3). (TS 6115-590-12/2-162)
b. When operating in temperatures below freezing,
connect electrical connectors on supply and drain
water hose assembly and dual water hose
assembly to water line heater connectors on power
plant receptacle panel. Connect water recirculating
hose assembly to connectors on shelter. If
operation of the power plant is to be discontinued
for more than 15 minutes during extreme cold
conditions, drain and dry the water system as
described in paragraph 4-4a (3).
c. Keep batteries fully charged at all times.
CAUTION
Operate the power plant for at least 1 hour after
adding water to batteries. Water added to batteries
may freeze unless. It is immediately mixed with
electrolyte. Remove frozen batteries from the
power plant immediately upon discovery to avoid
damage caused by leaking from cracked cases
when the battery thaws.
d. For efficient starting and operation in ambient
temperature below -25°F, a winterization kit must
be installed that contains nickel-cadmium batteries
and the following procedures must be observed.
NOTE
For Operation Below -25 F Ambient use Lubricating
Oil
Per
MIL-L-7808.
Flush
System
when
Winterization Kit is Installed or Removed.
(1) Check that the turbine and heater battery
activation
circuit
breakers,
located
on
the
receptacle panel, are pulled out prior to connecting
the batteries.
Change 5
2-23
