Swing clutch lever
Front drum clutch lever
Engine fuel tank level gauge
Rear drum clutch lever
Boom hoist clutch and brake lever
Engine oil pressure gauge
Engine throttle control
Engine oil pressure warning light
Swing brake lever
Engine temperature gauge
Rear drum brake pedal
Engine temperature warning light
Front drum brake pedal
Starter button (engine)
Swing brake lock control
Boom hoist drum pawl control
Cab heater switch
Front drum pawl control
Rear drum pawl control
Engine clutch lever
Horn button (or dipper trip switch)
Rain shutter lever
Figure 2-36. Control identification. (Sheet 1 of 2)
(19) Engine oil pressure warning light. This light
will be illuminated when the oil pressure in the crane
engine is below a safe minimum.
(20) Engine temperature gauge. This gauge
indicates the temperature of the coolant in the crane
engine cooling system in degrees Fahrenheit.
(21) Engine temperature warning light.
This light will be illuminated when the temperature of the
coolant in the crane engine cooling system is above a
(22) Starter button. Depress this button to start
(23) Ignition switch. Turn this switch clock-wise
to turn on the engine ignition. Turn this switch counter-
clockwise to turn off the engine ignition.
Figure 2-36. Control identification. (Sheet 2 of 2)
(24) Cab heater switch.
control the top and skirt mounted floodlights, interior cab
(25) Engine tachometerhourmeter. This gauge
indicates the engine speed in hundreds of revolutions per
minute. It also contains an hour-meter, which indicates
(16) Engine fuel tank level gauge. This gauge
accumulated engine operating hours.
indicates the level of the fuel in the crane fuel tank.
(26) Choke control. Lift this knob to close the
This meter indicates the
carburetor choke valve.
condition of the battery, and the voltage output of the
(27) Starting aid.
operation of this control.
(18) Engine oil pressure gauge. This gauge
(28) Rain shutter lever.
Open shutter when
indicates the oil pressure in the crane engine.
engine is to be operated.