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How to replace a compressor

FORMATION TECHNIQUE

VIGI LANCE POINTS

*OIL REFILL Different procedures apply to NEW and REMAN com pressor when refilling oil, ensure you are following the right one: Only for NEW • New compressors can be installed without adding any oil REMAN Warning: Valeo remanufactured compressors are deli vered with a negligible amount of oil • Drain the oil • Refill the compressor with fresh oil. At least with 50% of the nominal total oil amount. Always turn compressor shaft (via clutch disc) 10-15 times for lubricant distribution and place compressor upside down (clutch down) for 3 minutes to allow for lubrication of shaft seal.

**FLUSHING Flushing is the most essential part of the replacement in case of compressor failure or front crash, before installing a new compressor. Valeo imposes to follow a strict flushing operation to benefit from full warranty conditions. The following components cannot be flushed and have to be replaced: •Accumulator/receiver dryer • Orifice tube After verification if there is any presence of iron fi lings, replace this part: • Expansion valve The compressor should not be flushed under any cir cumstances . Methods •A/C station equipped with a flushing kit, or • Independent flushing kit • Pressured nitrogen

NECESSARY EQUIPMENT

protection glasses

gloves

ClimFill ® station

DISCLAIMER

■ ■ Always wear eye protection when servicing air condi tioning systems. Refrigerants and A/C systems are under pressure. ■ ■ Accidental and/or sustained release of any refrige rant can cause personal injury or harm. It is entirely up to the user of this information to take all ne cessary precautions. The information contained within this document is aimed at professionals only. ■ ■ When the compressor has a major failure, debris may spread throughout the refrigerant loop and can contaminate the others components of the loop .

■ ■ Flushing is a specific operation to clean the A/C loop, condenser, evaporator and hoses. Several techno logies can be used to flush. Among the products available on the market, Valeo offers two kits connectable to the whole ClimFill ® station range. ■ ■ Flushing is mandatory before re-installing a new compressor. VALEO WARRANTY CANNOT BE APPLIED IF A CORRECT FLUSHING WAS NOT PERFORMED.

Valeo Service - Société par Actions Simplifiée - Capital 12.900.000 euros - 306 486 408 R.C.S. Bobigny - 70, rue Pleyel - 93285 Saint-Denis - France • Conception : Epsilone Graphics (Villers-lès-Nancy) -www.epsilonegraphics.eu Crédits photographiques (Advence / www.laurentdeleuze.fr / Valeo / Fotolia / Getty Images)