TM 3-4230-209-10
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Key
Control or Indicator
Function
WATER TEMPER-
Indicates the temperature of the water in the boiler.
3
ATURE gage
4
TEMPERATURE
Sets the desired operating water temperature manually. Turn
the knob clockwise to raise the water temperature. Turn the
SELECTOR
knob counterclockwise to lower the water temperature.
control valve
Increasing water temperature will increase fuel pressure.
2-13
