IntroductionWear Spots
Wear spots are caused by a hard stop with locked wheels
whereby the rubber compound is abraded from the contact patch.
When the tires slide across the road surface, frictional
heat is generated which reduces the abrasion resistance on the
...
Refrigerant Still in Circuit
Discharge the refrigerant circuit.
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Remove malfunctioning component, flush with compressed air,
collect escaping refrigerant oil.
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The new component is to be filled with the amount of
refrig ...
Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near
the air conditioning system components, extract the refrigerant
and remove the residue by flushing with compressed air and
nitrogen.
The products of refrigerant decomposition d ...