Issues with measuring the total stroke of the compressor?
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When installing a new horizontal split-compressor unit or performing major repairs on it, the total shaft play of the rotor is measured. Once the rotor is in place, should the air seal (the type with upper and lower teeth) be removed before measuring the total shaft play again?
I don’t think it’s necessary. I think removing the leakage measured through sealing is used to determine the position of the stator and rotor.
Without disassembly, what is measured is the dynamic and static clearance
No need to disassemble it; there is a thrust bearing for limitation, so the sealing teeth cannot be touched during measurement
It does not need to be disassembled when the wind starts blowing; if it has been newly replaced, then the gap between the comb teeth seal and the rotor needs to be measured. But the most critical issue is the reinstallation of the rotor, as this part is prone to being damaged or deformed by human error. Therefore, care must be taken during installation, and it is essential to check it after it is in place. When positioning, one side of the thrust bearing should be used as a reference point. The person performing the lifting operation needs to have a high level of precision – the smaller the movements, the better. One of the two lifting points must have a chain guide to adjust its level. This is the key to reinstallation. For reference.