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...Technical Information Intercoolers General points Increase in power over the whole speed range, low fuel consumption, improved engine efficiency, reduction of emission values, less thermal stress for the engine - there are numerous reasons to cool the combustion air of supercharged eng...

...Compressor Damage Air Conditioning No Longer Operates After Eliminating Leakage or Following Air Conditioning Service After replacing air conditioning components and following normal service to the air conditioner, frequently the air conditioning no longer operates properly either immedi...

...Compressor Multiple use. In principle a visual comparison of installation area, mounting points and size should be carried out before replacement takes place. Some replacement compressors are designed for so -called "multiple uses". This means the y can be fitted into different vehi...

...Air Conditioning Compressors General The AC compressor is driven by the engine via a poly-V-belt or multiple V-belts and compresses or pumps the refrigerant in the system. There are different types of compressors. Function The refrigerant coming from the evaporator is sucked into the...

...Technical Information Compressors without magnetic clutches General For some years, so-called clutchless, externally triggered, variable compressors have been used (Fig. 1). All w ell-known compressor manufacturers use a great variety of different basic types. Here is a list of the...

...Condensors General The condenser is required to cool down the refrigerant heated up by being compressed. Function The hot refrigerant gas flows into the condenser at the top transferring heat to the surroundings through the piping and f ins. After cooling the refrigerant exi...

...Conversion R12/R134a 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 maintenance or repair work following t...

...Technical Information Coolant radiators General points Coolant radiators are installed in the air flow at the front of the vehicle, with different designs available. They have the task of dissipating heat produced by combustion in the engine and absorbed by the coolant. Other coolers,...

...Fault diagnosis Cooling performance check Every workshop needs, besides special tools, technical knowledge to do a professional job. This can be purchased by special training. This applies particularly to air -conditioning systems. The followin g instructions can merely serve a...

...Technical Information Crimping tool There is a new crimping tool in the Behr Hella Service range which meets the requirements of new standards and requirements for setting up connections. Tests have shown that the old barb design in combination with worm drive clamps or iron rings an...



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