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What may be the cylinder cover of the refrigeration compressor overheat?

23 Jan '21, 08:03

Jan. 23, 2021, 8:03 a.m.
secondeng's gravatar image


The main cause for abnormally high temperature of compressor cylinder cover is a backflow of compressed gas into a cylinder and subsequent secondary compression.

This may be due to the following:

  1. Blow-by of the cylinder cover gasket
  2. Faulty discharge valve(s)

Dismantle the cylinder cover to identify the source of the backflow.

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23 Jan '21, 08:14

Jan. 23, 2021, 8:14 a.m.
cheng's gravatar image

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