TM 5-3810-288-12
1.
Swing clutch lever
15.
Light switches
2.
Front drum clutch lever
16.
Engine fuel tank level gauge
3.
Rear drum clutch lever
17.
4.
Boom hoist clutch and brake lever
18.
Engine oil pressure gauge
5.
Engine throttle control
19.
Engine oil pressure warning light
6.
Swing brake lever
20.
Engine temperature gauge
7.
Rear drum brake pedal
21.
Engine temperature warning light
8.
Front drum brake pedal
22.
Starter button (engine)
9.
Swing brake lock control
23.
Ignition switch
10.
Boom hoist drum pawl control
24.
Cab heater switch
11.
Front drum pawl control
25.
Engine tachometer
12.
Rear drum pawl control
26.
Choke control
13.
Engine clutch lever
27.
Starting aid
14.
Horn button (or dipper trip switch)
28.
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
safe maximum.
(22) Starter button. Depress this button to start
the engine.
(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
light, and the panel illumination lights, as labeled.
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
(17) Voltmeter.
This meter indicates the
carburetor choke valve.
condition of the battery, and the voltage output of the
alternator when the engine is running.
Typical
(27) Starting aid.
Refer to Section V for the
indications of this meter are shown in figure 2-37.
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.
2-29
