TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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2-177 TB 9-2510-251-13 2-2.2 Installation of Air Conditioning Kit to M998 and M998A1 Four-Door with O'Gara Hess Add-on-Armor (Cont’d). b. Install Evaporator and Condenser WARNING When drilling through floor, use caution not to damage or drill into the fuel tank. Failure to comply may cause damage to equipment and/or injury to personnel. 1 3 2 7 9 6 HIDDEN 8 HIDDEN 8 HIDDEN 5 4 5 HIDDEN 10 HIDDEN 11 HIDDEN 11 HIDDEN HIDDEN 10 Figure 2-259. D-Ring Figure 2-260. Evaporator Brackets (1) Remove D-ring (1) located near passenger side seat on top of transmission tunnel. (2) Remove top screws attaching driver’s side mats to transmission tunnel. (3) Position evaporator drill template on transmission tunnel. Center on D-ring hole and align the driver’s side of the template parallel to the ribs on the transmission tunnel. (4) Using template as a guide, drill three 7/16 inch (.437) diameter holes. De-burr holes. (5) Position hose routing template on driver’s side fender well. Align the template to the upper front corner of the fender well. (6) Using template as a guide, drill four 1 1/4 inch (1.25) diameter holes and de-burr. (7) Position evaporator brackets (2) on evaporator unit (3) and secure with four bolts (4) and washers (5). Align bottom of brackets to bottom of unit and tighten bolts. (8) Position vertical driver’s side evaporator bracket (6) on evaporator unit (3) and evaporator bracket (2) and secure with two screws (7) and washers (8) on top of bracket and two screws (9), four washers (10), and two locknuts (11) on bottom of bracket.