TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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2-22 TB 9-2510-251-13 2-1.1 Installation of Air Conditioning Kit to M998 and M998A1; M1037; M1097 and M1097A1 with GSIE Add-on-Armor (Cont’d). d. Install Refrigerant Hoses CAUTION • When installing hoses, be sure to secure away from hot or moving parts. Failure to comply may result in damage to equipment. • Avoid routing hoses in areas where chafing, punctures, or pinching may occur. Failure to comply may result in damage to equipment. • DO NOT remove caps from hoses until ready to charge air conditioning system. Failure to comply may cause contamination of system and damage to equipment. • Keep all fittings capped until just prior to connecting hoses. Failure to comply could result in damage to equipment. • Keep ends of hoses covered during routing to avoid contamination. Failure to comply could result in damage to equipment. NOTE • Before connecting fittings, check to see that O-rings are present and undamaged. • Lubricate O-rings with mineral oil just prior to connecting fittings to components or inserting fittings into hoses. • Route hoses according to the diagram shown. Follow existing routing and tie strap to secure. DO NOT connect any hoses at this time. • Use hydraulic caps or tape closed ends of hoses to prevent debris from entering system during routing procedure. Figure 2-32. #12 Hose Figure 2-31. #8 Hose (1) Trim grommets to achieve a snug fit around #8 hose. (2) Install grommet (1) in hole in bed/transmission tunnel. (3) Trim grommet to achieve a snug fit around #12 hose. (4) Install grommet (2) in hole in transmission tunnel (under evaporator unit). 1 2 #8 HOSE #12 HOSE