SYSTEMS OPERATION
TM 5-3805-258-24-1
OPERATOR’S STATtON
INDIVIDUAL ClRCUIT DESCRIPTION
OPERATOR PANEL
1. Indicator Only
A. Low Fuel Level
This circuit uses a 7N5389 Magnetic Float Switch. When the level of the fuel is
high, the switch is closed. When the level of the fuel becomes low (1070 or less),
the switch opens (normally open) and the fuel level indicator on the operator
panel turns ON. The operation of the switch can be made opposite by the
installation of the float on the switch, upside down. The float has marks to show
which position causes which switch operation. The circuit connects to Pin 14 of
the operator panel.
FUEL LEVEL SWITCH
1. Fuel level switch.
FUEL LEVEL INDICATOR
2. Fuel level indicator.
Fuel Level Circuit
3-150
