TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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4-13 TB 9-2510-251-13 Section V. UNIT TROUBLESHOOTING 4-7 General. Refer to TM 9-2320-280 for vehicle troubleshooting procedures and engine troubleshooting procedures. In this section a symptom index for the kit lists faults associated with kit operation. Each malfunction listed on the Symptom Index includes a reference to the troubleshooting figure that contains a chart that will help you determine probable causes and corrective actions to take. The Symptom Index cannot list all faults that may occur, nor all the test or inspections and corrective actions. If a malfunction is not listed or cannot be corrected by listed corrective actions, notify next higher level of maintenance for assistance. 4-8 Unit Troubleshooting Symptom Index Troubleshooting Procedure Symptom (Page) Condenser Malfunction or System Overcharge/Air in System.......................................................... 4-15 Thermostatic Switch Malfunction ....................................................................................................... 4-16 Low Refrigerant Charge in the System ............................................................................................. 4-16 Expansion Valve Stuck Closed or Plugged ....................................................................................... 4-17 Expansion Valve Stuck Open ............................................................................................................. 4-17 System High Pressure Side Restriction ............................................................................................. 4-18 Compressor Malfunction .................................................................................................................... 4-18 4-13/(4-14 Blank)