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General| Brand | Thermo King |
|---|---|
| Model | Spectrum DE 30-2 |
| Category | Temperature Controller |
| Language | English |
Lists the unit models covered by the maintenance information in this manual.
Lists other manuals and resources for further information.
Emphasizes environmental protection and adherence to policies for refrigerant recovery.
Provides specific warnings and guidelines for servicing R-404A refrigerant systems.
Outlines general safety rules and best practices for operating and maintaining the unit.
Details precautions for handling refrigerants, including first aid for exposure.
Provides guidelines for handling refrigeration oil and first aid for eye contact.
Details engine model, cylinders, firing order, fuel type, oil capacity, viscosity, and operating parameters.
Lists belt tension specifications for alternator and fan belts.
Details compressor, refrigerant type, oil charge, and system pressures.
Lists voltage, battery type, circuit breakers, and fuse ratings for the electrical system.
Provides current draw and resistance values for various electrical components.
Details specifications for the microprocessor controller, including setpoint ranges and defrost timer settings.
Outlines inspection and service items for the host unit based on operating hours.
Continues the inspection schedule for the host unit, covering electrical, refrigeration, and structural checks.
Details inspection and service items for the remote evaporator unit.
Provides an overview of the Spectrum DE refrigeration system and its multi-compartment capabilities.
Describes the components and function of the host unit, including engine, compressor, and control box.
Describes the Spectrum Remote Evaporator, its types (S-2, S-3), and mounting location.
Details the TK 486 engine specifications, including horsepower and cooling system.
Provides specifications for the X430L compressor, including displacement and sump size variations.
Explains the functions and features of the microprocessor control system.
Describes the CYCLE-SENTRY system for fuel saving and its features.
Explains the Data Acquisition System (DAS) for logging unit operating information.
Describes the optional remote control box for operating the unit from a different location.
Explains how the unit operates, including zone modes and engine speed control.
Details how the defrost cycle is initiated, operates, and terminates.
Outlines general operating characteristics of the refrigeration system, including solenoid valve functions.
Refers to subsequent pages showing refrigerant flow diagrams for three-zone systems.
Describes refrigerant flow for cooling in Zones 1, 2, and 3, detailing solenoid valve states.
Lists the components of the Host Unit and Zone 1 Evaporator with their operating states.
Lists the components of the Zone 2 Evaporator with their operating states.
Lists the components of the Zone 3 Evaporator with their operating states.
Illustrates the refrigerant flow for cooling operation in a three-zone system.
Describes refrigerant flow for heating in Zone 3 and cooling in Zones 1 and 2, detailing solenoid states.
Illustrates refrigerant flow for a mixed cooling and heating operation in a three-zone system.
Compiles design features of Spectrum DE 30-2 and Spectrum DE 30-2 units.
Provides instructions on how to open and close the unit's front doors.
Explains how to operate the secondary door latch on later model units.
Details the locations of serial number plates on the unit, engine, and compressor.
Shows a diagram of the back view of the unit, identifying access panels and defrost dampers.
Illustrates the engine compartment with numbered components labeled.
Shows a diagram of the control panel with labeled components like display, keypad, and ports.
Illustrates typical components found inside the control box, including DAS module and relays.
Introduces the controls located on the unit's control panel and references other manuals.
Describes the function of the Zone 1 On/Off switch for the host unit and Zone 1 evaporator.
Explains the operation of the Zone 2 On/Off switch for the Zone 2 evaporator.
Details the function of the Zone 3 On/Off switch for the Zone 3 evaporator on three-temperature units.
Describes the unit's display, operating icons, and zone indicators.
Explains the functions of the keypad keys for controlling the unit and viewing information.
Describes how to use the keypad for setpoint changes and navigating prompts.
Explains the purpose and use of the computer and printer ports for data access.
Covers unit indicators like sight glasses, air restriction, and protection devices like fuse links and high pressure cutouts.
Describes the function and operation of the high pressure relief valve and low oil level switch.
Explains the preheat buzzer and general unit operation procedures.
Details the steps for performing a manual pretrip inspection before starting the unit.
Guides through the electronic full pretrip test procedure for unit checkout.
Provides detailed steps for initiating and completing the pretrip test, including PASS/CHECK/FAIL outcomes.
Discusses selecting between CYCLE-SENTRY and Continuous Run modes based on product requirements.
Provides examples of products that typically require continuous run operation for airflow.
Outlines the steps for restarting a unit that has been shut off for short periods.
Lists checks to perform after the unit is running to confirm proper operation.
Details the steps for loading products into the trailer, including pre-cooling and defrost initiation.
Continues loading procedure, emphasizing air circulation and pre-cooled products.
Describes procedure for maintaining same temperature in all compartments.
Outlines steps to take after loading, including closing doors and initiating defrost cycles.
Lists checks to perform after a trip, including washing and checking for damage.
Discusses the Australian Bosch alternator and necessary precautions.
Details procedures for diagnosing the charging system, including necessary equipment.
Provides step-by-step instructions for testing the alternator's voltage and amperage output.
Describes how to perform a field current test to check alternator windings and brushes.
Provides a chart to diagnose alternator problems based on test readings.
Covers inspection of battery terminals, electrolyte level, and specific gravity.
Lists fuses, their ratings, and the circuits they protect within the control box.
Explains the role of the fuse link in protecting the electrical system from shorts.
Describes the air heater's function and how to test its resistance and current draw.
Refers to a diagnosis manual for detailed service information on the microprocessor controller.
Advises inspecting wiring and harnesses for damage to prevent malfunctions.
Introduces the EMI 3000 package for extended maintenance intervals and its components.
Refers to an overhaul manual for detailed information on the engine's lubrication system.
Details the process for changing engine oil, including draining, refilling, and checking levels.
Outlines the steps for changing the engine oil filter.
Discusses factors affecting oil pressure and troubleshooting low oil pressure.
Provides a flowchart for diagnosing low oil pressure issues in the engine.
Explains the closed, pressurized cooling system, its components, and antifreeze benefits.
Details the use of Extended Life Coolant (ELC), its types, color, and cautions.
Provides notes on using 50/50 ELC coolant and cautions against mixing coolant types.
Outlines the procedure for inspecting and changing antifreeze to maintain inhibitor levels.
Details the procedure for bleeding air from the engine cooling system, with cautions about potential damage.
Explains how to check antifreeze concentration using a hydrometer or refractometer.
Provides steps for draining, flushing, and refilling the engine cooling system with antifreeze.
Recommends using a 180 F (82 C) thermostat year-round for optimal engine operation.
Describes the components of the TK 486 engine's fuel system and how it operates.
Covers maintenance of the fuel system, emphasizing cleanliness and filter changes.
Lists fuel system procedures that can be performed under field conditions.
Details the procedure for bleeding air from the fuel system, with notes on fuel tank vent.
Explains how to drain water from the fuel tank to prevent fuel system damage.
Describes the separator's role and the procedure for replacing it.
Provides detailed steps for replacing the fuel filter/water separator canister.
Details how to adjust engine speeds (high and low) when the engine fails to maintain correct RPM.
Guides through the procedure for setting injection pump timing, requiring fuel pressure.
Explains how to adjust injection pump timing by rotating the pump itself.
Outlines the steps for removing the injection pump, including necessary tools.
Continues the procedure for removing the injection pump, detailing cover plate and gear removal.
Provides detailed steps for reinstalling the injection pump, including torque specifications.
Explains the function of the fuel solenoid, its coils, and the role of the solenoid timer.
Details how the fuel solenoid timer controls the pull-in and hold-in coils of the fuel solenoid.
Provides a procedure for troubleshooting the fuel solenoid if the engine does not run.
Details how to test the pull-in coil of the fuel solenoid for proper operation and resistance.
Explains how to test the hold-in coil of the fuel solenoid for proper function and resistance.
Guides through testing the fuel solenoid relay for energization and potential timer defects.
Outlines the steps for replacing the fuel solenoid, including test mode activation.
Details the procedure for adjusting engine valve clearance, requiring rocker arm cover removal.
Provides detailed steps for adjusting valve clearance using a feeler gauge and torque wrench.
Explains the crankcase breather system's purpose and inspection requirements.
Describes the EMI 3000 air cleaner, its replacement intervals, and interchangeability.
Explains the air restriction indicator's role in monitoring air filter condition.
Details belt inspection for wear and checking tension using a gauge.
Guides through adjusting the alternator belt tension to the specified reading.
Explains how to adjust both upper and lower fan belts simultaneously for proper tension.
Provides a caution against prying belts and notes on proper removal/installation.
Outlines the steps for removing and installing the lower fan belt.
Details the procedure for removing and installing the upper fan belt, including blower wheel adjustment.
Introduces procedures for testing refrigerant charge with empty and loaded trailers, noting regulatory compliance.
Details steps to check refrigerant charge in an empty trailer, including pressure and sight glass observations.
Explains how to test refrigerant charge for current temperatures in a loaded trailer.
Provides a procedure to identify if the unit has an excessive refrigerant charge.
Continues the procedure for testing an overcharge, focusing on discharge pressure and liquid level.
Outlines the steps for adding or removing refrigerant to correct the level.
Describes the moisture indicating sight glass and how its color indicates refrigerant moisture content.
Suggests using a leak detector and looking for oil leaks as a sign of refrigerant leaks.
Explains how to identify compressor sump sizes (4-quart vs. 7-quart) based on build date.
Details how to check compressor oil level using the sight glass at different ambient temperatures.
Discusses the interchangeability of 4-quart and 7-quart sump compressors.
Provides notes on removing/installing 7-quart sump compressors and using specific tools.
Refers to another manual for compressor repair procedures.
Lists parts required to convert a 4-quart sump compressor to a 7-quart sump compressor.
Details how to check compressor oil level using the sight glass.
Explains the HPCO's location, function, and alarm code generation.
Guides through testing the HPCO switch to ensure it operates correctly.
Details the procedure for testing the HPSW, including continuity checks and pressure monitoring.
Outlines the steps to set up the unit and place the microprocessor in Evacuation mode.
Details the procedure for evacuating the refrigeration system to remove moisture and air.
Continues evacuation procedure, focusing on pressure monitoring, leak checking, and pump operation.
Guides through charging the refrigeration system with refrigerant, including pressure and sight glass checks.
Recommends replacing the filter drier when the system is opened.
Details the steps for performing a low side pump down to equalize pressures.
Outlines initial steps for compressor removal, including pump down and valve front seating.
Details the process of removing the compressor, including support and disconnection of lines/wires.
Outlines the procedure for installing a compressor, including mounting and connecting components.
Guides through removing the compressor coupling using a specific tool.
Details the steps for installing a compressor coupling onto the crankshaft.
Outlines steps for removing the condenser coil, including refrigerant recovery and coolant drain.
Details the steps for installing the condenser coil, including soldering and system pressurization.
Guides through removing and installing the discharge vibrasorber, with cautions about heat sinks.
Explains the use of in-line check valves and the need for heat sinks during soldering.
Details the steps for removing and installing the receiver tank, including relief valve transfer.
Outlines the procedure for removing and installing the filter drier, including O-ring replacement and purging.
Outlines steps for removing the expansion valve assembly, including feeler bulb disconnection.
Details the installation of the expansion valve assembly, emphasizing feeler bulb placement and suction line contact.
Outlines steps for removing the heat exchanger, including unsoldering lines.
Details the process of removing the evaporator coil, including sensor disconnection and unsoldering.
Guides through installing the evaporator coil, including soldering and system pressurization.
Outlines the steps for removing and installing the accumulator, including unsoldering lines.
Details the procedure for removing and installing the suction vibrasorber, with cautions about heat sinks.
Covers removal and installation of HPCO and HPSW switches, including testing.
Details the procedure for removing and installing the discharge pressure sensor.
Guides through removing and installing the high pressure relief valve.
Outlines the steps for removing the throttling valve.
Details the steps for disassembling the throttling valve, including parts inspection.
Guides through reassembling the throttling valve, including part cleaning and spring installation.
Details the installation of the throttling valve onto the compressor.
Outlines the steps for removing liquid line solenoid valves, with cautions about nylon seats.
Guides through installing liquid line solenoid valves, including soldering and testing.
Details the removal of hot gas solenoid valves, with cautions about nylon seats.
Guides through installing hot gas solenoid valves, including soldering and testing.
Outlines the steps for removing suction line solenoid valves, with cautions about nylon seats.
Details the installation of suction line solenoid valves, including soldering and testing.
Provides steps for repairing various check valves, including inspection and part replacement.
Outlines the procedure for replacing check valves, emphasizing disassembly before soldering.
Details the removal of the condenser inlet solenoid valve, with cautions about heat sinks.
Guides through installing the condenser inlet solenoid valve.
Outlines the procedure for repairing the condenser inlet check valve.
Details the replacement of the condenser inlet check valve.
Guides through removing the receiver tank pressure solenoid valve, with cautions about heat sinks.
Details the installation of the RTPS valve.
Outlines the steps for removing the purge valve, with cautions about heat sinks.
Guides through installing the purge valve.
Explains the compressor oil filter's role and when it should be changed.
Details the procedure for changing the compressor oil filter, including evacuation.
Provides steps to check compressor oil pressure by calculating net oil pressure.
Recommends a procedure to prevent premature pump failure in new or stored compressors.
Continues the procedure for priming new compressors, focusing on oil pressure development and wire reconnections.
Advises checking and tightening unit and engine mounting bolts, with torque specifications.
Details what to inspect during pretrip and maintenance inspections for physical damage.
Explains how to clean coils, remove debris, and repair bent fins.
Recommends cleaning defrost drains to ensure they remain open.
Notes on accessible nuts and the type of nuts used for unit mounting.
Guides on checking damper shaft wear and adjusting damper blade position for proper sealing.
Details adjusting damper distance and blade stops for correct operation and sealing.
Explains the importance of proper alignment for blowers and inlet orifices for airflow.
Guides through aligning the condenser fan blower with the inlet ring.
Details the steps for aligning the evaporator fan blower within the housing.
Provides detailed steps for removing and installing the evaporator fan blower assembly.
Continues the installation procedure for the evaporator fan blower, including alignment and torque.
Describes the fan shaft assembly, its bearings, and maintenance notes.
Details the steps for disassembling the fan shaft assembly, including oil drainage and part cleaning.
Guides through reassembling the fan shaft assembly, including bearing installation, oiling, and end-play measurement.
Describes the idler assembly and its maintenance requirements.
Details the steps for disassembling the idler assembly, including oil drainage and seal removal.
Guides through reassembling the idler assembly, including bearing and seal installation, and end-play measurement.
Identifies possible causes and remedies for an engine that will not crank.
Addresses issues when the starter motor engages but the engine doesn't crank.
Lists causes and solutions for an engine that cranks but doesn't start.
Provides remedies for engine shutdown after starting, related to air and pressure issues.
Addresses causes for low engine power, including air intake, fuel, and timing issues.
Covers misadjusted solenoids or defective injection pumps causing high engine speed.
Lists causes for the engine not stopping when the unit is off, related to fuel solenoid and pump.
Identifies causes of engine knocking, such as air in fuel, timing, or compression issues.
Addresses causes of engine overheating, including cooling system issues and thermostat problems.
Lists causes for low oil pressure, such as insufficient oil or faulty switches.
Identifies causes of high oil consumption, including oil leaks and worn engine parts.
Lists causes of white smoke from the engine, related to fuel combustion and injectors.
Identifies causes of black smoke, such as fuel-air ratio, load, and air intake issues.
Covers causes of blue smoke, relating to oil consumption, compression, and valve seals.
Matches refrigeration symptoms like pressure issues and cycling to possible causes.
Continues matching refrigeration symptoms to possible causes, including valve and solenoid issues.
Details the evaporator coil type, refrigerant, and heat/defrost method for remote evaporators.
Lists electrical specifications for remote evaporators, including control voltage, breakers, fuses, and fan motor data.
Provides current draw and resistance values for remote liquid line, hot gas, and suction line solenoids.
Outlines electrical inspection points for remote evaporators, including wire harnesses and fan motors.
Details structural inspections for remote evaporators, covering fluid leaks, damage, and coil cleaning.
Shows an exploded view of the Spectrum S-3 Evaporator components with labels.
Displays a front view image of the Spectrum S-3 Evaporator.
Shows a back view image of the Spectrum S-3 Evaporator.
Describes the Spectrum DE system's heavy-duty refrigeration and direct expansion cooling capabilities.
Explains how the remote evaporator mounts and receives heat/defrost.
Notes that controls are on the host unit or optional remote box.
Describes how the remote evaporator cycles between Cool, Null, Heat, and Defrost modes.
Lists key features of the remote evaporator, including coil, microprocessor, and solenoids.
Identifies protection devices like circuit breakers and fuses located in the host unit.
Indicates the location of the serial number nameplate on the remote evaporator unit frame.
Refers to a diagnosis manual for maintenance of microprocessor-controlled components.
Advises inspecting wiring and harnesses for loose or damaged wires to prevent malfunctions.
Recommends replacing the filter drier when the high or low side is opened.
Outlines steps for removing the expansion valve assembly from the remote evaporator.
Details the installation of the expansion valve assembly, emphasizing feeler bulb placement and suction line contact.
Details the process of removing the evaporator coil from the remote unit.
Guides through installing the evaporator coil, including soldering and system pressurization.
Details removing and installing solenoid valves, with cautions about nylon seats and heat sinks.
Provides steps for repairing a liquid return check valve, including inspection and part replacement.
Outlines the steps for replacing a liquid return valve, emphasizing disassembly before soldering.
Outlines steps for removing the heat exchanger, including unsoldering lines.
Guides through installing the heat exchanger, including soldering and system pressurization.
Details what to inspect for loose wires, hardware, or physical damage affecting performance.
Recommends cleaning defrost drains to ensure lines remain open.
Explains how to clean and inspect the evaporator coil for damage, with a caution on air pressure.
Lists possible causes and remedies for high load temperatures in remote evaporators.
Addresses issues when the evaporator fan motor does not run, including fuse and relay checks.
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