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AE5811/AE5812/AE5813
IV. Maintenance and troubleshooting
1.Daily maintenance
1-1. Perform pre-start check every day or every time before running the compressor (please refer to the previous chapter)
1-2. When the compressor has operated for 500 h
In this case, initially replace the oil filter element and lubricating oil after using the new compressor.
Remove the air filter element and pre-filter (dust screen) to clean them by blowing on them from inside to outside with low pressure
compressed air to get rid of the dust.
1-3. When the compressor has operated for 1,000 h
Check the behavior of intake valve, tie rods and moving parts, and fill some grease.
Clean the air filter element.
Check or replace the oil filter element.
Clean the radiator.
Fill ESSO UNIREX-N2 grease via the bearing filler ports on the front and rear covers of the motor.
1-4. When the compressor has operated for 2,000 h or 6 months:
Check all pipes.
Visually check the oil sight glass and remove it for cleaning if necessary.
Renew the lubricating oil and remove the grease.
1-5. When the compressor has operated for 3,000 h or 1 year:
Clean the intake valve, replace the O-ring, and fill the lubricating oil.
Check the three-way solenoid valve.
Check the relief valve.
Check whether the fine oil-air separator is clogged.
Check the pressure retaining valve.
Replace the air filter element and oil filter element.
Check whether the starter behaves properly.
Check whether each protective differential pressure switch works properly.
Check the safety valve for proper behavior.
Fill ESSO UNIREX-N2 grease via the bearing filler ports on the front and rear covers of the motor.
1-6. Every 16,000 h or 4 years:
Check or replace the bearings and oil seals in the compressor body and adjust the clearance.
Measures the insulation resistance of the motor, which shall be above 1MΩ.
Replace the bearing for motor.
1-7. If the working environment is poor, the interval for the above shall be shortened according to the practical situation.
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