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Dehumidifier

Technical condition requirements for removed air dryers

According to the supplier's requirement : only cores with unscrewed filter will be accepted online. If a core with a installed filter is submitted - it will be met with a straight rejection online; until it is dismantled.

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 (yet withouth the cartridge - see the picture below), 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.