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...Technical Information Oil coolers General points The cooling of oils under a high thermal load (engine, gear, steering aid) by oil coolers or the guarantee of an almost constant temperature results in significant advantages. The intervals between oil changes can be extended and the serv...

...Technical Information PAO-Oil 68 / PAO-Oil 68 Plus UV Universal compressor oil PAO-Oil 68 is an air conditioning compressor oil for universal use, available exclusively from Behr Hella Service . In the past, garages have had to stock up with different oils for servicing air conditi...

...Technical Information Instructions on handling permanently driven compressors A functional description of permanently driven compressors can be found in the Technical Information (TI) "Compressors without magnetic clutch". This TI intends to provide basic information on handling t...

...Pressure Switches - General Pressure switches serve to protect the air conditioning from damage resulting from excessively high or low pressures. Different types are: low pressure switches, high pressure switches and trinary switches. Trinary switch es contain the high and low pressu...

...Technical Information PTC booster heater General points On account of the high efficiency of modern, direct injection engines (e.g. TDI), dissipated heat is no longer sufficient for heating up the inside of the vehicle quickly on cold days. PTC booster heaters (Fig. 1), which are insta...

...Technical Information Removal and installation instructions Air conditioning system Before spare parts are removed or installed, check that the connections, fastening material and other installation-related characteristics are identical. When replacing the components, always use new...

...Technical information Oil coolers for hydrodynamic retarders General Hydrodynamic retarders (working with liquids) are used in commercial vehicles in order to support the actual brake system as an almost wear-free hydro-kinetic brake. T he kinetic energy is turned into heat through...

...Technical Information Retrofit Sets General points The European Parliament has decreed (Gazette no. 2037/2000) that conventional refrigerant (R12) must be replaced by chlorine-free refrigerant (R134a) from 01.01.2001 onwards whenever air conditioning systems have to be opened for main...

...Technical Information Repair / Service Safety notes / Handling refrigerant - Always wear protective goggles and protective glove s! At normal atmospheric pressure and ambient temperatures, liquid refrigerant evaporates so suddenly that freezing of tissue can occur in the event of...

...Working with Refrigerants - Safety goggles and gloves must always be worn! At normal atmospheric pressure and normal ambient temperature liquid refrigerant can vaporise very suddenly, that if it comes in contact with the eyes or skin, frostbite can occur (risk of loss of sight). - If...



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