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31(80$7,& 02'8/( 31(80$7,& '(9,&(6 Chapter Issue 3 May 03 Technical Reference Manual 24.5 PNEUMA TIC DEVICES Regulator Assemblies There is a minimum of one and a maximu m of five regulator ass emb…

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24.4 Technical Reference Manual Chapter Issue 3 May 03

MECHANICAL DETAIL

Manifold The manifold distributes the compressed air input directly to the pneumatic

devices, for certain machine options, without passing through a solenoid.

Solenoid Manifold The solenoid manifold distributes the compressed air input to the various

solenoids. Exhaust noise is reduced by two silencers fitted at the end of the

manifold.

WARNING

MANUAL OVERRIDE. MANUAL OPERATION OF PNEUMATIC VALVES MAY

CAUSE A SAFETY HAZARD TO PERSONNEL.

Figure 24-2 Pneumatic Manifold Assembly

In-line Flow Control Valve

Silencers (2 positions)

Manual Override

Plug

Y Union

Blanking Plate

Solenoid Manifold

Manifold

Solenoid Valve 5/2

Solenoid Valve 3/2

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Chapter Issue 3 May 03 Technical Reference Manual 24.5

PNEUMATIC DEVICES

Regulator

Assemblies

There is a minimum of one and a maximum of five regulator assemblies fitted

to the machine as follows:

• Mains Air Input

• Paste Dispenser (option)

• Screen Cleaner Solvent Tank (option)

• ProFlow Software Controlled Air Regulator

• Board Clamps (option)

Figure 24-3 Mains Air Regulator Assembly

Filter

Drain

Drain Empty Valve

Pressure Sensor and Gauge

Regulator

Air In

Air Out

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24.6 Technical Reference Manual Chapter Issue 3 May 03

Filter The compressed air filter removes any contaminants, in addition to any water

which has already condensed, from the compressed air flowing through it. The

filter is housed in a single unit incorporating an automatic drain and a pressure

regulator.

Figure 24-4 Cross Section and Symbol

The compressed air enters the filter bowl (2) through the guide slots (1) and is

rotated. Liquid particles and the dirt particles, which are larger than the mesh

size of the filter (3), separate centrifugally and collect in the lower part of the

filter bowl. A differential pressure type automatic drain removes the collected

condensate via a drain tube.

Air In

Air Out

Symbol