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General| Brand | Thermo King |
|---|---|
| Model | Spectrum SB 50-2 |
| Category | Refrigerator |
| Language | English |
General safety guidelines for operating and maintaining the unit.
Warnings and precautions related to high and low voltage electrical systems.
Technical data and parameters for the unit's engine.
Key parameters of the unit's refrigeration system, including charge and pressures.
Voltage, circuit breaker, and fuse ratings for the unit's electrical system.
Current draw and resistance values for various electrical components.
Details on the Smart Reefer Multi-Temp µP-IV controller, including setpoints and timers.
Recommended inspection and service intervals for the host unit.
Recommended inspection and service intervals for remote evaporators.
Description of the main control panel layout and key switches.
Step-by-step guides for startup, pretrip tests, modes, and inspections.
Procedures for testing and diagnosing the Model 30 alternator.
Procedures for testing and diagnosing the Model 50 alternator.
Procedures for checking and changing engine oil and filter.
Information on the cooling system, ELC, and antifreeze maintenance.
Procedures for timing, removing, and reinstalling the injection pump.
Explanation, troubleshooting, and replacement of the fuel solenoid system.
Methods for testing refrigerant charge levels in empty and loaded trailers.
Guidelines for compressor removal, installation, disassembly, and checking oil.
Procedures for testing the High Pressure Cutout Switch (HPCO) and High Pressure Switch (HPSW).
Steps for evacuating and charging the Smart Reefer Multi-Temp refrigeration system.
Detailed procedures for removing and installing compressors, including tool usage.
Troubleshooting common engine starting and running problems.
Diagnosing and resolving issues related to engine power, speed, and operation.
Diagnosing problems with unit power, LCD display, and backlight.
Troubleshooting steps when the motor does not start or run.
A comprehensive table correlating symptoms with possible causes for refrigeration issues.
Diagnosing causes for high load temperatures in remote evaporators.
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