This TranStar HVAC manual is the 2005 International Trucks heat, ventilation and air conditioning service manual, publication S16025, for 8000 Series and related 3200 through 8600 models. Its 246 pages describe HVAC operation, component service, refrigerant charging and step-by-step circuit troubleshooting for technicians.
Official document details
| Brand | International Trucks |
| Model coverage | 3200, 4100-4400, 7300-7700, 8500, 8600 |
| System / Group | Heat, ventilation and air conditioning |
| Publication no. | S16025 |
| Revision | 11/23/2005 |
| Pages | 246 |
| File size | 3.4 MB |
| Format | |
| Language | English |
What the TranStar HVAC manual covers
- Safety precautions and the general system operational description
- Air distribution for air conditioning, heat, ventilation and defrost, plus A/C refrigerant flow
- The electrical system controller and the RCD system
- Components: compressor and clutch, condenser, pressure transducer, orifice tube, evaporator, accumulator, thermistors, heater core, blower assembly and linear power module
- Control assembly with blower fan speed, temperature and mode control, including MAX, NORM, Bi-Level, Vent, Floor, Mix and Defrost modes
- System maintenance, evacuation and R134A charging procedures with oil-fill guidelines
- Recirculation motor circuit troubleshooting and pressure-versus-temperature tables
Applicable truck models listed
The extract lists models 3200, 4100, 4200, 4300, 4400, 7300, 7400, 7500, 7600, 7700, 8500 and 8600. It also documents cowl drain tray and air-inlet removal, the A/C system performance test and the recirculation-door drive voltage routed through connectors 1200, 4014 and 4017. Reference data includes the R134A system pressure versus ambient temperature chart, from 35.07 psig at 40 F to 146.33 psig at 110 F. For model support, see the official International Trucks website.
Who needs this TranStar HVAC manual
A/C and climate technicians use this HVAC manual to test the recirculation motor circuit, charge the system with R134A refrigerant, and replace the heater core, blower assembly or compressor. It gives the drive-voltage specs, alternating-pulse checks, pressure targets and the correct evacuation and charging order needed to restore full cooling performance.
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