Recycling Disposal - Parker Hiross ATT Serie Manual De Uso

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6.4 Preventive Maintenance Programme

To guarantee lasting maximum dryer effi ciency and reliability:

Maintenance

Activity description

Activity

Control

Service

Check the POWER ON indicator is lit.

Check control panel indicators

Check the correct level of the fl ow meter.

Check condensate drain.

Clean condenser fi ns.

Check electrical absorption

Depressurize the unit.

Complete drain maintenance

Depressurize the unit.

Substitute pre- and post-fi lter elements.

Substitute fi lter element, oil separator fi l-

ter and dust preventer fi lter.**

It is recommended to replace the pressure

dew point sensor.

Main solenoids- change

Check the silencer yearly and when

change the desiccant agent

No return Valve- change

Solenoids Drain- change

Desiccant agent

Refer to the manufacture date of the machine, written in the

data label.

Maintenance work must be performed by authorized personnel.

Maintenance Interval

(standard operating

All spare parts and their respective codes can be found listed on sec-

conditions)

tion 9.4.

Contact supplier

For any maintenance please note the following warnings:

During the replacement of any fi lter element, ensure the perfect closing

of the fi lter, checking the correct alignment of symbols on the head and

the housing.

DANGER: A misalignment of these, could result in the expul-

sion of the housing during pressurization of the system, with the conse-

quence of projection hazard of bodies against persons of things.

DANGER MACHINE UNDER TENSION

Not perform maintenance while the machine is under tension or under

pressure.

Do not remove any covers of the dryer.

DANGER HAZARDOUS VOLTAGE!

DANGER MACHINE UNDER PRESSURE

Not perform maintenance while the machine is under pressure,

perform the following action:

1) Depressurize the compressed air system;

2) Make sure that the pressure on both gauges = 0 bar

(AIR IN "n°22");

Warning: the dryer is still under pressure in the

"AIR OUTLET SIDE" of the cooler

Depressurize the dryer using a valve- "air out cooler"

(if installed by the user) or use the drain-valve of the

dust-fi lter (29).

Make sure that the pressure on gauge = 0 bar

(AIR OUT "n°35").

ATT060-090

Th e desiccant vessels are designed (EN 13445-3) for fatigue opera-

tion with continuous cycles of loading and unloading for a maximum

period of:

20 years for models 60-90.

6.5 Dismantling

Th e refrigerant and the lubricant oil contained in the circuit must be re-

covered in conformity with the current local environmental regulations.

Th e refrigerant fl uid is recovered before fi nal scrapping of the equip-

ment ((EU) No. 517/2014 art.8).

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