4. Checks and Inspection
4 - 1
4.1 Daily check
Check the following items daily. Immediately stop the operation in the event of failure, and refer to “Chapter
5 Troubleshooting” to solve it.
- There is no compressed air leakage.
- The START lamp lights up during operation.
- Condensate comes out of the drain tube during operation.
- The evaporation thermometer is in the green area during operation with the compressed air supplied.
- The evaporation thermometer indicates a temperature approx. 3 to 10
o
C lower than the ambient
temperature when operation is stopped and no compressed air supplied.
- There is no abnormal sound or vibration.
- There is no abnormal odor or smoke.
4.2 Parts requiring regular maintenance
4.2.1 Cleaning the condenser and aftercooler fins
To eliminate dust at the ventilation port (suction port), apply an electrical vacuum or air blow once every
month.
Wear protective goggles and a mask to prevent dust from entering the eyes or throat during air
blow.
4.2.2 Service parts
It is recommended to replace the following parts regularly. The interval shown in this operation manual
depend on the operating conditions (ambient temperature, installation environment, etc.), so that they are
for reference.
Table 1.
List of parts to be replaced regularly
Description
Tecommended replacement interval
Pressure switch
One Million times
Fan motor
20,000 hours
Magnetic Contactor, Magnetic Switch (Note)
One Million times
Note)
If it is mounted by option ”T” (With terminal block for power supply, run, alarm signal and remote
operation) or special order.
4.2.3 Cleaning the auto drain strainer
Remove dust from the auto drain strainer once a month. Use a neutral detergent for cleaning. Also, if
the auto drain becomes heavily polluted replace it with a new one and shorten the next cleaning interval.
Part number of the auto drain strainer
Part no.
Description
Qty.
IDF-S0002
Auto drain strainer
1
Checks and inspection
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