TM 5-3800-205-10-1
DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS - CONTINUED
0004 00
INSTRUMENT PANEL - CONTINUED
3.
Switches and Controls.
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20
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18
21
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390-002
KEY
CONTROL OR INDICATOR
FUNCTION
17
EMS Panel Test Switch
Provides a means to perform EMS self-test by moving switch upward.
EMS alert indicator lights, EMS action light, and action alarm should
come on until switch is released.
18
Work Lights Switch
Push switch upward to turn bowl and cutting edge work lights ON.
Push switch downward to turn lights OFF.
19
Ether Start Aid Switch
When pressed, injects a premeasured amount of ether into engine
during cold weather starting. Must ONLY be used during cold weather
starting below 32F (0C).
20
Air Intake Preheat Switch
Push switch upward to preheat air in intake manifold for cold weather
engine starting between 32-50F (0-10C) or as required. Light on
switch turns off when preheating cycle is finished.
21
Diagnostic Connector
Used by Unit Maintenance personnel to perform electrical system
troubleshooting.
22
Ignition Switch
Three-position ignition switch:
(a) OFF position. When in this position, electrical power is provided
only to light systems.
(b) ON position. When in this position, electrical system is activated.
(c) START position. Provides a means to start engine. After engine
has started, release ignition switch to return to ON position.
0004 00-5
