TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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4-26 TB 9-2510-251-13 INITIAL SETUP Equipment Conditions: Materials/Parts: Engine Shut Down (TM 9-2320-280-10) Tag, Marker (Item 11, Appendix D) Air Conditioning System Discharged (para 4-14) Batteries Disconnected (TM 9-2320-280-10) Personnel Required: Disconnect Wiring (1) MOS 52C - Utilities Equipment Repairer Remove Refrigerant Hoses Tools and Test Equipment: General Mechanic’s Tool Kit (Item 1, Appendix B) Refrigeration Tool Kit (Item 4, Appendix B) 4-15 Air Conditioning Unit Repair This task covers: a. Access Panel Removal b. Distribution Plenum and Centrifugal Fan Repair c. Evaporator Coil Replacement d. Filter Element Replacement e. Access Cover Repair f. Follow-On-Maintenance General When the air conditioning system must undergo initial service or maintenance that requires opening the system, the system must be discharged prior to maintenance and purged and charged after maintenance.