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TM 5-4930-233-14
TM 4930-14/1
Chapter 2
OPERATING INSTRUCTIONS
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROL INDICATORS
2-1. GENERAL
The lubrication and servicing unit operator's controls and indicators provide the means to ensure safe and trouble-
free operation in all conditions. Constant monitoring of the instruments is required to stop problems before they
start.
2-2. OPERATOR'S CONTROLS
Table 2-1. OPERATOR'S CONTROLS
CONTROL OR
KEY
INDICATOR
FUNCTION
1
PANEL LIGHTS
Light controls and indicators for night operators.
2
IGNITION/START SWITCH
Allows engine to run or stops it by grounding the
magneto and cranks engine to start.
3
COLD START SWITCH
Allows oil pressure to increase aiding cold
weather engine starts.
4
THROTTLE CONTROL
Control maximum engine operating speed.
Locks speed setting by turning clockwise.
5
CHOKE CONTROL
Pulls out to aid cold engine starting. Pushes in
when engine is warm to maintain smooth
operation.
6
AIR PRESSURE GAGE
Indicates air receiver tank pressure.
7
OIL PRESSURE GAGE
Indicates engine oil pressure.
8
Indicates the rate of charge or discharge of the
batteries in amps.
9
FUEL LEVEL GAGE
Indicates level of fuel in tank.
2-1
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