2-3. OPERATOR CONTROLS AND INDICATORS (cont)
Control or Indicator
Contains the meters and switches for engine
operation. See FIG. 2-2.
Contains the air gages and load meter. See FIG.
Contains the throttle, reverser, and control
switches. See FIG. 2-4.
Sand Valve Control
When pushed, applies sand in front of the
driving wheels in the direction the locomotive
When pushed, shuts down the diesel engine.
BELL Ringer Valve
When pushed, rings the warning bell.
Double-Ported Cutout Cock
Is positioned to correspond to the operating
mode of the locomotive. It has two positions:
OPEN (Lead or Dead) and CLOSED (Trail).
Independent Brake Valve
Used to apply and release the locomotive brake.
By depressing the independent handle, a release
of the automatic brake application can be made on
the locomotive without releasing the train brake.
Cutoff Pilot Valve
Used for cutting in or cutting out the charging
(Double Heading Cock)
of brake pipe. On trailing units and when
measuring brake pipe leakage, the valve is in
the OUT position.
Automatic Brake Valve
Used to apply and release the automatic brakes
on the locomotive and train.
Regulating Valve Handle
Used to adjust the equalizing reservoir pressure
when automatic brake valve is in RELEASE.
When pulled, sounds the warning horn.