TM 9-2320-272-10
1-19.
ELECTRICAL SYSTEMS OPERATION (Contd)
c.
Ether Starting System Operation.
The ether starting system is identical for all models covered in this manual and consists of the following major
components and circuitry:
A
BATTERY SWITCH - Provides 24-volt battery power to the protective control box through circuits 459, 81A,
and 81.
B
PROTECTIVE CONTROL BOX - Energizes the ether feed switch through circuits 5, 5A, 27, 5C, and 570.
C
ETHER FEED SWITCH - Controls 24-volt power to the ether pressure switch through circuit 570.
D
ETHER PRESSURE SWITCH - Connects the ether feed switch to the ether tank valve through circuit 570.
E
ETHER TANK VALVE - Is activated through circuit 570 when the ether pressure switch is closed and the
ether feed switch is pressed.
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