TM 55-2210-224-12
2-3. OPERATOR CONTROLS AND INDICATORS (FIG. 2-8) (cont)
Key
Control or Indicator
Function or Use
(1)
Handbrake
Provides a means of setting brakes to prevent
movement of locomotive during nonoperating
periods.
(2)
Emergency Brake Valve
Provides a means of obtaining an emergency brake
application from a point other than the
automatic brake valve.
(3)
Radiator Fill Cap
Provides a means of filling the radiator. One
for each radiator.
(4)
Engine Block Heater
Provides a connection point for electrical cable
Receptacle
to operate engine block heater. Location is
identical on left and right sides of locomotive.
(5)
Heater Water Shutoff Valves
Shuts off water to heater (same on both sides of
heater).
(6)
Heater Fan Speed Switch
Sets heater fan speed to OFF, HIGH, or LOW.
(7)
Heater Fresh Air Control
Opens fresh air vent to locomotive cab.
(8)
Windshield Wiper Cutoff
Controls the air to the windshield wipers.
Valves
(9)
Air Cleaner Restriction
Indicates the condition of the air cleaner
Indicator
element. Cleaning is required when the scale
shows red. There is one on each engine.
(10)
EMER SHUTDOWN Switch
Has two positions, RUN and STOP. For normal
operation, the switch is set to RUN. Provides
a means of shutting down locomotive from ground
in an emergency situation when other means are
unsafe. Location is identical on left and right
sides of locomotive.
(11)
Multiple-Unit Control
Provides means for connecting the multiple-unit
Receptacle
control jumper cable. There is one on each end
of locomotive.
(12)
Main Air Reservoir
A control to provide either manual or automatic
Drain Valve
draining of the main reservoir air tanks and air
filters. Location is identical on left and
right sides.
(13)
Fuel Level Gage
Indicates the amount of diesel fuel in fuel tank.
Location is identical on both sides of locomotive.
(14)
Sand Controller
Controls the amount of sand delivered to the
rails. When indicated points to between 1 and
2, the sander will deliver approximately 1 lb
(0.5 kg) of sand per minute. There are four on
each side of locomotive.
2-12
