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TM 9-4110-257-14
CHAPTER 2
OPERATING INSTRUCTIONS
Page
SECTION I
DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND
INDICATORS...................................................................................................................
2-1
2-1
Operating Controls and Indicators........................................................................
2-1
2-2
Fault Controls and Indicators ...............................................................................
2-4
SECTION II
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)................................
2-6
2-3
General ...............................................................................................................
2-6
SECTION III
OPERATION UNDER USUAL CONDITIONS...................................................................
2-23
2-4
Assembly and Preparation for Use.......................................................................
2-23
2-5
Startup Procedures ..............................................................................................
2-23
2-6
Operator Checks..................................................................................................
2-25
2-7
Shutdown Procedures..........................................................................................
2-26
2-8
Decals and Instruction Plates...............................................................................
2-26
SECTION IV
OPERATION UNDER UNUSUAL CONDITIONS..............................................................
2-29
2-9
Operation Under Inclement Weather ...................................................................
2-29
2-10
NBC Decontamination Procedures.......................................................................
2-29
SECTION I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND
INDICATORS
2-1. OPERATING CONTROLS AND INDICATORS.
The controls and indicators needed to operate and monitor the refrigeration unit are located on the control box assembly,
housing frame, and inside the housing.
1
Circuit Breaker (ENGINE FAULT RESET). Provides electrical circuit protection for the refrigeration unit
control systems. The circuit breaker button can be pushed to place it in either the on (button in with no
white band showing) or off (button extended with white band exposed) position. The circuit breaker should
normally be kept in the on position.
2
Remote Bulb Thermostat (TEMPERATURE CONTROL). Monitors and automatically controls the
temperature inside the refrigerator enclosure. The remote bulb thermostat should be set to the desired
refrigerator enclosure temperature.
3
Toggle Switch (START/RUN, OFF, GLOW PLUG). Activates the refrigeration unit in the START/RUN
position and activates the glow plug for cold weather starting in the GLOW PLUG position. The toggle
switch should be in the START/RUN position to operate the refrigeration unit and the OFF position when
not in use.
2-1
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