This instruction show you guide on how to check test and adjust compressor and relays for Kubota U48-4/U55-4 excavator.
Preparations:
2022 Kubota Takeuchi Diagmaster v22.08.01 v4.1.2 Software Free Download
Kubota DST-i Diagnostic Adapter
Kubota EPC Spare Parts Catalogue 2021.06 Download
Procedures:
Compressor
Magnetic clutch
1 Start the engine.
2 With the AC switch on the AC control panel off, check and make sure that no scraping sounds or other noise comes from the pulley as it turns.
3 Turn the AC switch and the fan switch on to make the AC system operate. With the AC working, check and make sure the magnetic clutch is not slipping.
4 If there is any noise, repair or replace it.
Stator coil
1 Remove the magnetic clutch
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