Air Dryer
4 Maintenanc
e
4-1
Daily Inspection
4 - 1
IDFA Series
IDX-OM-I076
4 Maintenance
4-1 Daily Inspection
Check the following points during normal operations. If you find some problems, immediately stop the
dryer and refer to
“Chapter 5 Troubleshooting” as soon as possible.
- There is no air leaks.
- The running lamp is on during operation
- Moisture is being discharged from drain tube
- The pointer of the evaporating temperature indicates in the green zone
- The pointer of the evaporating temperature indicates about +/-8
o
C of the ambient temperature
- When the unit is off and no compressed air is supplied.
- There is no abnormal odor or smoke coming from the product.
- It is recommended to keep a maintenance/service record. Please refer to
“Chapter 13-1 Service
Record
”
4-2 Periodical Maintenance
4-2-1
Cleaning of ventilation grille (suction grille)
Clean dust and other foreign particles from the ventilation area with vacuum cleaner or air blow nozzle
once a month.
Danger
During air blowing, put on protective glass and mask to prevent dusts from coming into throat
or eyes.
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
Recommended replacement interval
Pressure switch
One Million times
Fan motor
20,000 hours
Magnetic Contactor , Magnetic Switch (Note)
One Million times
Note
）
Operation condition: 12 hours/day, 300 days/year,
Pressure switch open-close frequency: 1 cycle/2 minutes
(The replacement period depends on the user’s operating conditions.)
4-2-3
Cleaning of the case assembly
Remove the dust deposited in the auto drain case assembly every month. Use neutral detergent for cleaning. If the
degree of dirt is heavy and operating failure still continues even after cleaning, replace the product. Also, shorten
cleaning interval from the next time.
Part No. of case assembly
Part No.
Name
Quantity
Applicable Model
AD48
Case Assembly
1
IDFA22E, IDFA37E
IDFA55E, IDFA75E
