1. The returned removed part (core) must be an equivalent of the purchased product under the TR sale formula. It is recommended to deliver the part in the original packaging of the purchased product. If the original packaging is not available, the returned part must be explicitly marked with the index of the purchased product.2. According to the environment protection regulations, the cores shall be protected and packed in such a way that they cannot contaminate the environment. The removed parts (e.g. power steering gears, pumps, air conditioning compressors) shall be delivered without the working medium. The connections shall be closed using plugs, e.g. from the purchased products.3. We can accept only complete, not dismantled parts which comply with the technical requirements as specified below.
Technical condition requirements for removed main valves
1. The core must have a readable producer number.2. The recycled core must be in line with the index of the finished product purchased.3. The core must have a Knorr or Wabco nameplate, other manufacturers' cores will not be accepted.4. The core can not have mechanical damage caused by improper maintenance or disassembly of the old part: eg impacts, cuts, grinding, breakage, tanning.5. Returns must be complete, assembled, with no traces of disassembly or modification. No parts screwed or press-mounted, eg electronics, compression piston rods, plugs - unacceptable.6. The core can not be heavily corroded behind the outer part of the body, casting.7. Returned core may not show excessive oxidation on the outside of the body, casting.8. Returns may not show signs of excessive damage caused by excessive use or improper operation.