TM 55-2210-223-12
TO 45A2-2-14-41
2-3.
OPERATOR CONTROLS AND INDICATORS (cont)
Key
Control or Indicator
Function/Use
(1)
Shutter Cutout Cock
Opens or closes air-line to the shutters.
(2)
Brake Cylinder Cutout Cocks
Opens or closes air line to brake cylinders, one cock each for front and
rear trucks.
(3)
Sander Cutout Cocks
Opens or closes air line to sander control valves. One cock each for
front and rear truck.
(4)
Secondary Air System Cutout
Opens or closes secondary air system air line.
Cock
(5)
Main Air Reservoirs Cutout
Opens or closes main reservoir air line.
Cock
(6)
Brake Pipe Branch Pipe
Opens or closes brake pipe air line to the Cutout Cock
distributing
valve.
(7)
Double-Ported Cutout Cock
Opens or closes the air line from the independent brake valve to the
relay air valve and distributing valve.
(8)
Horn and Windshield Wiper
Opens or closes air line to horn and windshield Cutout Cock wipers.
(9)
Dead Engine Valve
Opens or closes the dead engine air line.
(10)
Governor Override Cutout
Opens or closes the air supply line to the air Cock compressor governor.
(11)
Main Reservoir Equalizing
Opens or closes main reservoir equalizing pipe Pipe Cutout Cock
air line for multiple unit operation. There are four cocks, one on each
corner of locomotive.
(12)
Actuating Pipe Cutout Cock
Opens or closes actuating pipe air line for multiple-unit operation. There
are four cocks, one on each corner of locomotive.
(13)
Independent Application
Opens or closes independent application and release pipe air line
Cock Pipe Cutout
for multiple-unit operation. There are four cocks, one on each corner of
locomotive.
2-17
