TRANSMISSION AR 1722268 - Caterpillar

Typical air conditioner refrigerant unit
(1) Oil-less compressor: Heavy-duty, 1/3 hp compressor eliminates problems of mixing different refrigerants and their oils.(2) Quick change filter drier: Specially blended to remove moisture and contaminants; replace entire canister for fast changeovers.(3) Heat exchanger/oil separator: Removes oil and other condensibles from refrigerant.(4) VacuMaster® vacuum pump: Has capacity and power to reach deep vacuum conditions necessary for thorough evacuation. (5) Front casters: Provide greater maneuverability and make it easy to position unit near vehicle.
(1) Refrigerant-type switch: Just flip switch to select refrigerant; it also signals clearing to prevent mixing of refrigerants.(2) Refrigerant tanks: Comes with two 14 kg (30 lb) tanks, one for R-12 and one for R-134a. Tank hoses remain connected at all times.(3) Two scales: One for R-12 and one for R-134a (always ready to use either refrigerant); charging is done by weight for greatest accuracy.(4) Heavy-duty cart: Strong tubular steel cart has extra heavy-duty wheels (moves easily between vehicles).