Keltech KRAD M Series, Инструкция по эксплуатации, Страница: 5 / 62

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1.5. Qualified service personnel
A)
Maintenance and repairs should only be performed when the air dryer is shut down and depressurized
and when the main power switch is turned off.
B)
Use only the appropriate tools for maintenance and repair.
C)
Before dismantling a part under pressure, disconnect the pressure sources and depressurize the
system.
D)
Proceed carefully during maintenance and repair. Prevent dirt from entering by covering parts and
orifices with a clean cloth, paper or tape. A receiver should never be welded or modified in any way.
E)
Never leave tools, loose parts or cleaning rags in or on the air dryer.
F)
Before returning the dryer into service, check the setting of the control and safety devices as well as the
pressure and the temperature of the compressed air circuit.
1.6. Maintenance by the user
A) Keep the dryer clean.
B) Regularly check the correct operation of the condensate drain trap.
C) Every six months, check and clean the drain strainer by undoing the access screw and rinsing the filter
with tap water to remove the trapped dirt from the inside.
D) For aircooled dryers, clean the air condenser as soon as it’s dirty or clogged.
E) For optional water-cooled condensers, use only clean water andinstall a water filter if needed. Use
water counter flow to clean condenser if need.
F) Check the trouble-shooting list in case of maintenance troubles.
G) Check operating pressures, temperatures and time settings after maintenance. If operating and safety
devices function properly, the air dryer may be used.
2. INTRODUCTION TO THE DRYER
A) Purpose of this dryer
A) This refrigerated compressed air dryer has been designed to remove water vapor from industrial
compressed air.
B) This dryer has been designed for indoor operation.
C) The minimum and maximum values stated must be observed, as well as the safety precautions
described in this manual.