Section 9.0 – MAINTENANCE SCHEDULE
The maintenance chart below indicates the components that should be checked while performing routine
maintenance on the dryer. The chart also indicates how often a specific check should be done
REFRIGERATED
SERIES MAINTENANCE SCHEDULE
TIME WEEKLY
MONTHLY
BI-
ANNUALLY ANNUALLY
Coalescing Filter Element
Check Replace
Condensing Coil (AC units) Check/Clean Check/Clean Check/Clean Check/Clean
Condenser (WC units)
Check/Clean**
Drain Line Y-Strainer
Check/Clean Check/Clean Check/Clean Check/Clean
High Pressure Switch
Check Check Check
Low Pressure Switch*
Check Check Check
Fan Control Switches (AC
units)
Check Check Check
Compressor Oil Level
Check
Check
Check
Check
Drain Solenoid
Check/Clean Check/Clean Check/Clean
*The low pressure switch may require more frequent adjustments depending on the ambient conditions.
** The condenser should be cleaned only if the unit is running abnormally high discharge pressure.
Contact the factory for verification prior to proceeding with this maintenance item.
MAINTENANCE PROCEDURES
Before performing any maintenance on the machine ensure that air pressure is vented from
the system. Also make sure that personnel performing the maintenance have read the
maintenance section of the manual.
Some of the maintenance tasks will require the refrigeration system to run, but when not
required, turn the unit off before proceeding.
Upon completion of the maintenance tasks be sure that the machine has been properly
reassembled prior to restarting and reintroducing air.
ROUTINE MAINTENANCE
This section covers the various components that require periodic maintenance and/or replacement.
Coalescing Filter Element
The coalescing filter element should be check Bi-Annually. On units with the standard control panel,
check the pressure drop across the unit by using air pressure gauges upstream and downstream of the
dryer using the closest possible gauges to the dryer. If it is determined that there is a high pressure
drop across the machine, remove the filter element from the machine and inspect it. If the filter is dirty,
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Страница 20: ...Section 11 0 MAINTENANCE CHARTS Maintenance Log Date Service Performed Parts Replaced Initials...
Страница 21: ...Section 11 0 MAINTENANCE CHARTS cont Element Replacement Log Part No Date Initials...
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