TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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4-1 TB 9-2510-251-13 CHAPTER 4 UNIT MAINTENANCE 4-1/(4-2 Blank) Subject Index Page Section I. Repair Parts List (RPL); Test, Measurement, and Diagnostic Equipment (TMDE); and Support Equipment ................................................................................................. 4-3 4-1 Common Tools and Equipment ...................................................................................... 4-3 4-2 Repair Parts List, TMDE, and Support Equipment ........................................................ 4-3 4-3 Repair Parts ................................................................................................................... 4-3 Section II. Service Upon Receipt .................................................................................................... 4-5 4-4 Service Upon Receipt of Materiel .................................................................................. 4-5 Section III. Unit Lubrication .............................................................................................................. 4-7 4-5 Lubrication (Not Applicable to Kits) ................................................................................ 4-7 Section IV. Unit Preventive Maintenance Checks and Services (PMCS) ........................................ 4-9 4-6 General .......................................................................................................................... 4-9 4-6.1 Warnings, Cautions, and Notes ..................................................................................... 4-9 4.6.2 Explanation of Table Entries .......................................................................................... 4-9 4-6.3 Other Table Entries ........................................................................................................ 4-9 4-6.4 Special Instructions ........................................................................................................ 4-9 Table 4-1 Unit Preventive Maintenance Checks and Services (PMCS) for Air Conditioning Kit ....................................................................................................... 4-11 Section V. Unit Troubleshooting .................................................................................................... 4-13 4-7 General ........................................................................................................................ 4-13 4-8 Unit Troubleshooting Symptom Index .......................................................................... 4-13 Section VI. Unit Maintenance Procedures ..................................................................................... 4-20 4-9 Hoses and Fittings ....................................................................................................... 4-20 4-10 Expansion Valves ......................................................................................................... 4-20 4-11 Expansion Tubes ......................................................................................................... 4-20 4-12 Receiver/Drier and Accumulator .................................................................................. 4-21 4-13 Compressor and Clutch ............................................................................................... 4-21 4-14 Air Conditioning System Servicing ............................................................................... 4-22 4-15 Air Conditioning Unit Repair ........................................................................................ 4-26 4-16 Condenser Repair ....................................................................................................... 4-32