Try to turn the compressor by hand. It should be possible to turn it around. It should turn around smoothly, without any 'hickups' (be sure to completely shut down the air compressor!). Check the isolation of the motor windings.
[pdf] Power frequency direct coupling screw type Coaxial integrated structure without any loss, reduce vulnerable parts, high rotation rate. Direct drive coaxial integrated design, dust-proof sound insulation cotton, 70 decibels, protection level IP55, waterproof and dustproof.
[pdf] discover high-quality air compressor accessories including filters, valves, gauges, and spare parts to improve performance, extend lifespan, and ensure smooth operation of your screw compressor systems.
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