TM 9-2320-269-10
INSTRUMENT PANEL CONTROLS - CONTINUED
KEY
CONTROL OR INDICATOR
FUNCTION/USE
NOTE
This device is not installed on vehicles having engines with serial numbers above 45721.
1
SWIRL DESTROYER CONTROL
Pull OUT to engage, and push IN to disengage. Hard starting aid for
engine under unusual conditions.
NOTE
This switch must be ON before use of emergency power button on outside of truck. (Shown on page 2-
29).
2
SWITCH, EMERGENCY POWER
Pull OUT for ON, and push IN for OFF. Provides emergency electric
power to operate derrick hydraulic's in event of engine failure. (Key
switch must be ON).
3
INDICATOR LIGHT,
Red light indicates when emergency POWER SWITCH IS IN THE on
EMERGENCY POWER
position.
4
HOUR METER
Records the hours the vehicle has been in operation. Operates when
the key switch is turned to ON position.
TA 222519
2-10
