TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
Page 19 of 624
2-3  TB 9-2510-251-13  Section I. INSTALLATION OF AIR CONDITIONING KIT TO HMMWV VARIANTS  WITH GSIE ADD-ON-ARMOR  2-1 General.  This section describes and illustrates the installation and removal of the Air Conditioning Kit to HMMWV  variants with Add-on-Armor. Specific repair parts are not covered in the installation instructions. Refer  to the Repair Parts List (RPL) Appendix C for specific repair parts.  There are eight configurations. Each configuration is specific to the variant to which it is applied and  the type of Add-on-Armor installed on the variant.  2-1.1 Installation of Air Conditioning Kit to M998 and M998A1; M1037; M1097 and M1097A1  with GSIE Add-on-Armor.  WARNING  • All personnel should be familiar with and heed all safety warnings in the Warning  Summary, page a, prior to performing any installation, removal, or maintenance  for the Air Conditioning Kit. Failure to comply may result in injury or death to  personnel and/or damage to equipment.  • Prior to beginning any work on the Air Conditioning Kit:  1. Disconnect batteries  2. Apply parking brake  3. Chock wheels  4. Remove rings, bracelets, watches, necklaces, and any other jewelry.  Failure to comply may result in serious injury or death to personnel.  CAUTION  • Refer to Repair Parts List (RPL), Appendix C, prior to beginning any installation  steps for correct parts and hardware identification. Failure to comply could  result in damage to equipment.  • Air conditioner current draw is approximately 20 amps. At minimum, a 100 amp  alternator is required for vehicles with an air conditioner and communications  equipment. Verify the alternator has a rating of 100 amps or higher. Upgrade  alternator as necessary. Failure to comply may result in damage to equipment.  NOTE  • If alternator will be upgraded to allow for air conditioning installation, the  following tasks can be performed concurrently:  1. Removal and replacement of belts for alternator and A/C  compressor.  2. Disconnecting/reconnecting battery.  3. Routing and attaching power cable from alternator to battery  compartment.  4. Checking power steering, water pump, and crankshaft pulleys for  wear and replacing if needed. Uneven wear will prevent proper belt  tensioning.  • The Air Conditioning Kits are designed to fit several configurations. Not  all parts included in the kits will be used on all applications, and some  installations will require modification to ensure fit.