TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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2-186 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). d. Install Refrigerant Hoses CAUTION • When installing hoses, be sure to secure away from hot or moving parts. Failure to comply could result in damage to equipment. • Avoid routing hoses in areas where chafing, punctures, or pinching may occur. Failure to comply could result in damage to equipment. • DO NOT remove caps from hoses until ready to charge air conditioning system. Failure to comply could 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. • Before connecting fittings, check to see that O-rings are present and undamaged. Failure to comply could result in damage to equipment. • Lubricate O-rings with mineral oil just prior to connecting fittings to components or inserting fittings into hoses. Failure to comply could result in damage to equipment. NOTE • 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.