DeVilbiss DAD-504 Manuel de référence

SB-6-176-C

Replaces SB-6-176-B

SERVICE BULLETIN

DAD-504 (130096) breAthAble AIr retro FIt KIt

IMPORTANT: Read and follow all INSTRUC-

TIONS and SAFETY PRECAUTIONS before

installing, operating or maintaining this

equipment. Keep this manual for future

reference.

DESCRIPTION

The DAD-504 is designed to attach to an

existing DeVilbiss DAD-500 Desiccant Air

Dryer. The DAD-504 offers appropriate

ﬁltration and a connection for the attach-

ment of a DeVilbiss Breathable Air Hose

and Air VizorTM supplied air breathing

system.

SPECIFICATIONS

Charcoal Filter:

Air Inlet 1/2" NPT(F)

Air Outlet 1/2" NPT(F)

Air Flow Capacity 75 CFM

Maximum Operating

Pressure 150 PSIG (10.3 Bar)

Maximum Temperature 150° F (65.6°C)

Manual Mechanical Drain Standard

Pressure Differential

Indicator Standard

Aerosol Filter .003 ppm./wt.

Particulate Filter 3.0 micron

Flow Thru Regulator:

Flow Thru Ports 1/2" NPT(F)

Regulated Ports 1/4" NPT(F)

Air Flow Capacity (regulated)

with 100 PSI Inlet 28 CFM @ 60 PSI

Maximum Inlet Pressure 300 PSIG

Regulated Pressure 0-125 PSIG

Maximum Temperature 175° F (79.4°C)

SAFETY PRECAUTIONS

This manual contains important information that all users must know and understand

before using the equipment. This information relates to USER SAFETY and PREVENT-

ING EQUIPMENT PROBLEMS.

To help you recognize this information, we use the following terms to draw your at-

tention to certain equipment labels and portions of this manual. Please pay special

attention to any label or information that is highlighted by one of these terms:

Note

Information that you

should pay special atten-

tion to.

Important information that

tells how to prevent damage

to equipment, or how to avoid

a situation that might cause

minor injury.

Important information

to alert you to a situation

that might cause serious

injury if instructions are

not followed.

BREATHING AIR REQUIREMENTS

Supplied breathing air, as deﬁned by

OSHA 29 CFR 1910.134i and NIOSH 42 CFR

84.141, MUST meet or exceed the following

requirements for Type 1-Grade D breath-

able air, as deﬁned in Compressed Gas

Association (CGA-G7-1-1997):

Oxygen = 19.5-23.5% (Typical

atmospheric levels)

Oil (condensed) = 5 mg/m (mil-

ligrams per cubic meter) maximum

Carbon Monoxide (CO) = 10 ppm

(parts per million) max.

Carbon Dioxide (CO2)= 1OOO ppm

(parts per million) max. (Typical

atmospheric levels)

Odor = The presence of a pro-

nounced odor should render the

air as unsatisfactory

It is up to the employer to assure that the

air compressor is properly maintained,

that the air compressor intake is located

in a clean contaminate free location

and that the air compressor is drawing

in typical atmospheric air, meeting all of

the national and local requirements for

breathing air.

This ﬁlter unit, when added to a DAD-500,

does not remove or ﬁlter Carbon Monoxide

(CO). It is up to the employer to ensure

that the level of CO does not exceed the

maximum national or local allowed level.

The recommended method to assure that

the CO level is not exceeded is to install

a carbon monoxide monitor and alarm.

This ﬁlter unit, when added to a DAD-

500, will only remove particulate matter,

water, oil and odor. This ﬁlter unit will

meet the particulate matter, oil and odor

requirements of Type 1-Grade D Breath-

able Air and Compressed Breathing Air,

CSA-Z180.1 when:

• The lter unit is connected to a

compressed air source:

The compressor is properly

maintained

The air compressor intake is

located in a clean contaminate

free location

The air compressor is draw-

ing in typical atmospheric air,

meeting all of the national

and local requirements for

breathing air

• The lters are properly maintained

• A properly operating CO monitor

is installed

Risk of explosion or ﬁre.

Improper use can cause

personal injury.

•  This product is designed and

intended for use in industrial com-

pressed air systems only. Do not use

for liquids or gasses other than air.

•Donotusewherepressureortem-

perature can exceed rated operating

conditions (see speciﬁcations).

•  Regulated outlet pressure must

never be set higher than the maxi-

mum operating pressure of the

downstream air tool or equipment.

An outlet pressure gauge should

always be used.

Risk of illness or death. Carbon

monoxide can cause nausea, faint-

ing or death. Stop using if carbon

monoxide is present. This unit does

not remove carbon monoxide. A

carbon monoxide monitor should be

incorporated into your air supply line

to warn of the presence of carbon

monoxide.

Page 2 SB-6-176-C

MAINTENANCE

Risk of injury. Components

under pressure. Relieve air

pressure before performing any

maintenance.

1. Check system at least once per shift

to insure proper drainage. Look for

water in the drain tubing.

2. Before performing maintenance on

system, close main shut-off valve

located upstream. Bleed off residual

air in system.

INSTALLATION – RETRO FIT KIT

1. Be sure to read all "Cautions" and

"Warnings" in this manual and on the

unit before installation or using this

equipment.

2. This unit is designed to ﬁt a DeVilbiss

DAD-500 desiccant air dryer. Installa-

tion on non-DeVilbiss desiccant dryers

is not recommended, as we cannot

assure the performance of those

devices.

3. Shut off the air supply to the DAD-500

and bleed air from the system.

4. Separate the air ﬁlter, coalescing ﬁlter

and nipple from the desiccant tank.

(This might be a good time to change

the desiccant beads, Part No. DAD-1).

5. Attach retro ﬁt kit (DAD-504) to desic-

cant tank. Reattach air ﬁlter, coalescing

ﬁlter and nipple to retro ﬁt kit.

6. Position the ﬁlters in line with the des-

iccant tank, with the regulator gauge

facing straight forward.

Note

Use PTFE tape on pipe plug threads

and all threaded ﬁttings to facilitate

removal in the future. Do not use

loctite or any material that may bond

and make removal difﬁcult.

Existing DAD-500

Existing DAD-500 DAD-504

WITH RETRO FIT KIT

OPERATION

After the system is installed and ready

to use;

1. Attach breathable air hose to Q.D. on

ﬂow-thru regulator.

2. Attach air hose(s) to outlet valve.

3. Open main shut-off valve upstream of

system.

4. Attach breathable air hose to supplied

air respirator.

5. Adjust regulator (3) to read 60 PSIG

(ﬂowing air to the visor). The pressure

should never be allowed to drop below

50 PSI in a ﬂowing condition.

Risk of injury. Do not place unit in

service without metal bowl guard

installed. Filter units are sold only

with metal bowl guards. To minimize

the danger of ﬂying fragments in the

event of plastic bowl failure, guard

must not be removed. If the unit is

in service without the metal bowl

guard installed, manufacturer’s war-

ranties are void and the manufacturer

assumes no responsibility for any

resulting loss. If unit has been in

service and does not have a metal

bowl guard, order one and install

before placing back in service.

Certain compressor oils, cleaning

agents and solvents may attack the

plastic and rubber components used

in the construction of this product.

This product should not be used in

conjunciton with or in the vicinity

of these materials. Read and follow

material labels carefully. Please

consult DeVilbiss if in doubt.

Figure 1 DAD-500 /DAD-504

Replace-

nd.

Ref.

ment

Parts

No. Part No. Description Req.

1 HAF-517 Charcoal Filter 1

2 — Nipple 1

3 HAR-508 Flow-Thru Regulator 1

4 GA-316 Gauge 1

5 MPV-424 Breathable Air Quick 1

Release Socket

PARTS LIST

SB-6-176-C Page 3

MAINTENANCE – FLOW-THRU

REGULATOR

Do not submerge regulator or

components in solvent or use

solvent to clean regulator parts.

Damage may occur to regulator

and components. Use a cloth

dampened in warm, soapy water

to clean exterior of regulator.

Note

This unit may be serviced with-

out removing the unit from the

compressed air line.

1. Frequency of servicing depends largely

on the condition of the compressed air

system and the degree of contamina-

tion in the system.

2. Before attempting to service this

product in-line, depressurize both

the upstream and downstream sides

of regulator.

3. Remove the bottom plug, valve spring

and valve assembly. Inspect all seals

and components for damage and re-

place as required. Clean seals and

components with mild detergent and

water. Use a clean, dry cloth to wipe

any contamination from valve seal

inside the body. Lubricate the valve

stem and lower valve "O"ring seal

with a light coat of MAGNALUBE-G

Figure 3 – HAR-508 Regulator

MAINTENANCE – HAF-517

CHARCOAL FILTER

1. Before performing maintenance on

unit, close any main shut-off valve

located upstream of ﬁlter. Bleed off

residual air in unit.

2. To open ﬁlter, press button located

on clamp ring and rotate ring either

clockwise or counterclockwise while

pulling down on ring. The metal bowl

guard and plastic bowl can then be

removed from the ﬁlter body.

3. Remove the ﬁlter element by loosen-

ing counterclockwise. Clean or replace

the ﬁlter element. Replace the char-

coal element when it no longer re-

moves oil vapor odors or when the

red indicator is visible.

4. Inspect "O"ring for damage. Replace

if necessary.

5. Inspect plastic bowl for signs of dam-

age such as cracks, crazing or deterio-

ration. Replace if necessary.

HAF-517 Parts List

Replace- Ind.

Ref. ment Parts

No. Part No. Description Req.

1 HAF-404 Filter Change Ind. 1

(Not shown)

1A --- Body 1

2 --- O-Ring 1

3 HAF-36 Filter Element and 1

O-Ring Kit

4 HAF-11 Manual Drain 1

5 HAF-8 Plastic Bowl 1

6 HAF-19 Metal Bowl Guard 1

7 HAF-409 Clamp Ring 1

Figure 2 – HAF-517

1 (not shown)

or similar lubricant. Reassemble.

Bottom plug torque should not exceed

25 in./lbs.(2.8 N-m).

4. To replace main spring or diaphragm,

turn adjusting knob counterclockwise

to remove all spring force, then re-

move bonnet. Remove the adjusting

screw assembly, main spring, slip ring

and diaphragm assembly. Inspect the

diaphragm and the relief seat for dam-

age and contamination. Replace dia-

phragm assembly if necessary. Clean

the relief seat with a soft dry cloth.

Reassemble in reverse order making

sure the slip ring is properly posi-

tioned on top of the diaphragm.

Bonnet torque should not exceed

120 in./lbs. (13.6 N-m).

5. Before returning unit to service, en-

sure that all seals have been properly

reinstalled or replaced and compo-

nents requiring torque values have

been properly set.

6. If regulated pressure begins to creep

(an uncontrolled rise in regulated

pressure), it will most likely be caused

by contamination on the valve seat.

7. If the unit leaks from the vent holes in

the bonnet, it may be caused by con-

tamination, deterioration or damage

to the valve seat or diaphragm relief

seat. Replace any damaged or worn

components.

Knob

*Adjusting

Screw

Assembly

*KK-5045

Diaphragm

Repair Kit

Body

Cover

Panel

Nut

Bonnet

*Thrust

Washer

*Main

Spring

*Slip

Ring

*Diaphragm

Assembly

*Valve

Assembly

*Valve

Spring

*Bottom

Plug

O-Ring

Bottom

Plug

Body

Assembly

Page 4 SB-6-176-C

MAINTENANCE – DESICCANT DAD-1

1. Replace the desiccant when the hu-

midity indicator changes to a pink

color. Remove the pipe plug at the

bottom of the tank. Allow the material

to drain into a two (2) gallon or larger

container.

2. Once all the material has been re-

moved, replace the pipe plug (see

"Note" following) and tighten securely

(air tight).

Note

Use PTFE tape on pipe plug

threads and all threaded ﬁttings

to facilitate removal in the future.

Do not use loctite or any material

that may bond and make removal

difﬁcult.

3. Replace the DAD-3 humidity indicator

paper (supplied with DAD-1 Desic-

cant) by removing the DAD-400 hu-

midity indicator. Pry out the old paper

and push in the new paper (printed

side facing away from the glass).

4. Remove the pipe plug on top of the

unit.

5. Using a funnel (suppplied with des-

iccant), ﬁll the unit using DeVilbiss

Desiccant Material Part No. DAD-1

(19-0831) until full.

6. Replace the pipe plug (see "Note"

above) and tighten until air tight.

7. The humidity indicator will return to

a blue color within ﬁve minutes.

8. The desiccant material should be

disposed of properly.

9. Refer to the appropriate service

bulletin for checking the ﬁlters and

components.

Note

A desiccant Tune-Up Kit Part No.

DAD-600, is available. Contains

the following parts to completely

recondition a desiccant air station:

Part No. Description Qty.

Supplied

DAD-1 Desiccant 1

— Humidity Indicator 1

HAF-6 #1 Filter Element 1

and O-Ring

WARRANTY

This product is covered by DeVilbiss' 1 Year Limited Warranty.

DeVilbiss Sales and Service: www.devilbiss.com

DeVilbiss

DeVilbiss has authorized distributors throughout the world. For technical

assistance or the distributor nearest you, see listing below.

U.S.A./Canada Customer Service Ofﬁce:

195 Internationale Blvd., Glendale Heights, IL 60139

Toll-Free Telephone: 1-800-992-4657 (U.S.A. and Canada only)

Toll-Free Fax: 1-888-246-5732

DeVilbiss Automotive Reﬁnishing

DeVilbiss has authorized distributors throughout the world.

For equipment, parts and service, check the Yellow Pages

under “Automotive Body Shop Equipment and Supplies.”

For technical assistance, see listing below.

U.S.A./Canada Customer Service Ofﬁce:

11360 S. Airﬁeld Road, Swanton, OH 43558

Toll-Free Telephone: 1-800-445-3988 (U.S.A. and Canada only)

Toll-Free Fax: 1-800-445-6643

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