Clarke AP17 Manuale di istruzioni

OPERATION & MAINTENANCE

INSTRUCTIONS

GC0813

SPRAY GUN

MODEL NO: AP17

PART NO: 3082100

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INTRODUCTION

Thank you for purchasing this CLARKE Spray Gun.

Before attempting to use this product, please read this manual thoroughly and

follow the instructions carefully. In doing so you will ensure the safety of yourself

and that of others around you, and you can look forward to your purchase

giving you long and satisfactory service.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12

months from the date of purchase. Please keep your receipt which will be

required as proof of purchase.

This guarantee is invalid if the product is found to have been abused or

tampered with in any way, or not used for the purpose for which it was

intended.

Faulty goods should be returned to their place of purchase, no product can

be returned to us without prior permission.

This guarantee does not effect your statutory rights.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

GENERAL SAFETY RULES

Before using this equipment it is in your own interest to read and pay attention

to the following safety rules.

1. Keep the work area clean. Cluttered areas invite injuries. Keep work area

well lit.

2. Keep children away. Children must never be allowed in the work area.

3. Store idle equipment. When not in use, tools should be locked up in a dry

location. Always lock up tools and keep out of reach of children.

4. Use eye protection. Always wear approved impact safety goggles.

5. Stay alert. Watch what you are doing, use common sense. Do not operate

any tool when you are tired.

6. Check for damaged parts. Before using any tool, any part that appears

damaged should be carefully checked to determine that it will operate

properly and perform its intended function.

7. Do not operate any tool if under the influence of alcohol or drugs. If there is

any doubt, do not operate the tool.

COMPRESSED AIR EQUIPMENT

1. Compressed air can be dangerous. Ensure that you are thoroughly familiar

with all precautions relating to the use of compressors and a compressed

air supply.

2. Never direct a jet of compressed air at people or animals.

3. Always ensure that the equipment being used has a safe working pressure

exceeding the output pressure of the compressor that it is connected to.

4. Always ensure that the air supply is turned off at the tool outlet and vent all

compressed air from within the air hose and the equipment attached to it,

before disconnecting air hoses or other equipment from your compressor.

5. Ensure all fixed air connections are properly sealed using teflon tape or

pipe sealant.

6. Never exceed the operating pressure of 50 psi.

PAINT SPRAYING EQUIPMENT

We strongly recommend that paint spraying equipment be used in

conjunction with appropriate eye and face protecting goggles, glasses or

spray masks available from most DIY and hardware stores.

1. Always keep the equipment perfectly clean. This will not only prolong its life

but will also ensure you get the best results. See Maintenance.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

2. Always ensure there is adequate ventilation. Do not spray or handle paint

in enclosed areas.

3. Never spray close to any source of heat or flame.

4. Always wear a suitable approved breathing mask when spraying, to

protect against inhalation of paint spray or fumes. An air feed mask may

be required when spraying some toxic types of paint. If in doubt, check

with the paint manufacturer.

5. Always check the manufacturer’s data sheets for the paint products being

sprayed for any particular hazards and follow the manufacturer’s

instructions. Take particular care if spraying isocyanate paints. Products

used in a spray gun may be covered by COSHH Regulations.

6. Always disconnect the spray gun from the air supply when it is not in use

and before any disassembly.

7. Never spray paint towards people or animals.

8. In the case of injury, seek expert medical advice immediately. Never

smoke while spraying or preparing paints, or spray near a naked flame,

heat source and electrical sparks. Many paints are flammable.

9. Never tamper with the product or modify it in any way, as this could prove

to be dangerous and will invalidate the guarantee. Only use the product

for the purpose for which it is intended.

10. When replacing parts, only use those supplied by Clarke International as

per the parts list shown here.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

PRODUCT OVERVIEW

NO DESCRIPTION NO DESCRIPTION

1 Air Nozzle 8 Spanner

2 Locking Ring 9 Cleaning Brush

3 Air Cap Needle 10 Paint Container

4 Paint Flow Adjustment Knob 11 Container Locking Arm

5 Patten Adjustment Knob 12 Trigger

6 Airline Connection 13 Side Wings

7 Airflow Adjustment Knob

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

SPECIFICATION

AIR SUPPLY

For best results, the air supply to the spray gun must be clean and dry, with no

oil or water contamination. Follow the air compressor manufacturer’s

guidelines on installation and operation to ensure that your air supply is as

clean as possible.

The compressed air supply line to the spray gun must be fitted with a filter

capable of removing any oil or water together with a suitable pressure

regulator.

Higher pressure and contaminated air will shorten the spray gun life due to

faster wear and could become a safety hazard.

Water in the air line will also cause damage and may contaminate the paint

being used. Therefore ensure the air supply is properly filtered.

Line pressure, or supply hose inside diameter, should be increased to

compensate for unusually long air hoses (over 10m). Minimum hose diameter

should be 6mm (¼") ID, and fittings should have the same inside dimensions.

The air inlet used for connecting air supply has a standard ¼” BSP thread.

Container Volume 1000 ml

Air Inlet Connection 1/4” BSP

Minimum Compressor Size 3 HP

Typical Operating Pressure 30-50 psi

Maximum Operating Pressure 50 psi

Paint Delivery 160-240 ml/min

Weight 373 g

Depth x Width x Height 175 x 115 x 290 mm

Air Consumption 430 l/min

Nozzle Size 1.7 mm

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

OPERATION

The AP17 spray gun is fed with paint by a siphon (or suction) effect from the

paint container. The air flow through the air cap draws paint up the feed tube,

into the nozzle assembly, where it is atomised and sprayed forward.

The AP17 spray gun is available with one nozzle size,(1.7 mm). Ensure your

spray gun is matched to the capacity of your compressor.

Connect the air supply hose to the air inlet, (using a suitable in-line connector

if required).

PREPARATION BEFORE PAINTING

Mix the paint to the correct viscosity for spraying according to the

manufacturer’s instructions and strain it into the paint container through a fine

mesh filter. When mixing the paint, make sure that you have enough thinners

left to clean the spray gun after use.

Do not fill the paint container to more

than 3/4 full. Make sure that the top

edge of the container and the

sealing gasket in the lid are clean

and free from damage before

mounting the gun on the container.

The container locking lever must be

tightened firmly to prevent any leaks

from around the container rim, also it

is very important to keep the

container vent clear.

Remember that some modern paints require specialist respiratory

protection...always consult the paint manufacturers instructions.

Ensure that the area in which you will be spraying is clean and dust free.T o

obtain best results, it is vital that the surface to be sprayed is well prepared. It

must be clean, free from dust, dirt and grease. Mask any area that is not to be

sprayed and cover adjacent equipment to protect from overspray.

Ensure the surface to be painted is clean, dry and free from oil or dust. Check

the paint manufacturer’s instructions for any special surface preparation

required.

REMEMBER - TIME SPENT PREPARING SAVES TIME SPENT FINISHING.

WARNING: NEVER ATTEMPT TO SPRAY UNLESS YOU ARE WEARING

SUITABLE, APPROVED RESPIRATORY AND EYE PROTECTION.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

PAINT THINNING

Paint thinning is particularly important when spraying. Many paints are

supplied ready for brush application and need to be sufficiently diluted for

spraying purposes. Always follow the paint manufacturers instructions. If in

doubt, always consult the paint manufacturer.

A Viscosity Cup (not supplied), will assist in determining the correct thickness of

the paint.

The ideal viscosity for most paints is as follows:

1. Dip the cup into the paint and fill to the brim. Time how long it takes for the

cup to empty.

2. Thin as required until times are achieved.

3. Alternatively if a viscosity cup is not available, the following information

can be used as a rough guide.

• Water based paints (emulsions) 10-20% water.

• Oil based paints (gloss) up to 10% thinners.

• Cellulose paints up to 50 % cellulose thinners.

If in any doubt, contact the paint manufacturer.

Having mixed the paint thoroughly in a separate container, pour into the spray

gun paint container through a fine filter.

• DO NOT OVERFILL PAINT CONTAINER - never more than three

quarters full.

Water based paints 35-45 secs

Oil based paints 15-25 secs

Enamel paints 15-25 secs

Primers 20-30 secs

Varnishes 20-25 secs

Aluminium paints 15-25 secs

Wood preservatives Do not dilute

Wood Stains Do not dilute

Smooth masonry paint Dilute by 10-15 %

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

ADJUSTMENTS OF THE SPRAY GUN

ADJUSTING THE PAINT FLOW

1. Set the Paint Flow Adjustment knob (4) according to the paint in use and

the spray pattern required. (anticlockwise to increase, clockwise to reduce

flow).

ADJUSTING THE SPRAY PATTERN

1. Turn the Pattern Adjustement knob (5) anticlockwise to give a fan shaped

spray pattern, turning clockwise to give a circular spray pattern.

2. You can adjust the orientation of the fan either vertically or horizontally to

suit your requirements by turning thenozzle side wings (13) to the desired

position.

• As the width of the spray is increased, paint flow will also need to be

increased.

ADJUSTING THE AIR FLOW

1. To increase the air flow, turn the Airflow Adjustment knob (7) anticlockwise

to increase and clockwise to decrease the air pressure.

• The air flow needed will vary according to the paint in use, with

thicker paints needing more air.

SPRAYING TECHNIQUES

Practice spraying on a piece of material with the same type of surface as the

article you wish to spray, eg. metal for a car body panel, wood for a piece of

furniture etc.

Always make adjustments to the spray pattern according to the

conditions.You may need to increase the paint and air flow when using a

wider fan setting.

To reduce overspray, always use the lowest possible air pressure that produces

an acceptable spray pattern.

• If the gun is too far from the surface or the paint is too thin, the paint

will start to dry before hitting the surface, resulting in a rough, sandy

finish. Allowing overspray to fall on a finished area will also result in a

rough finish. Too much paint feed or holding the gun too close to the

work will lead to runs and sagging.

• The paint should be agitated by gentle shaking at regular intervals

during use to ensure consistancy and avoid colour difference due to

the paint settling in the container.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

To obtain the best results, keep your

spray gun level and parallel to the

surface at all times. Keep the nozzle

23 - 30 cm from the surface and

spray evenly from side to side or up

and down. Use your arm to control

the spray gun, not your wrist.

The gun should be perpendicular to

the surface being covered and

moved parallel with it. The stroke

should be started before the trigger is

pulled and likewise released before the stroke is ended. This gives accurate

control of the gun and material.

Do not spray at an angle as this will

lead to paint runs on the surface.

Always use smooth and even strokes.

When spraying large areas, using a

criss-cross pattern as shown.

Never start or stop the spray gun

while it is aimed at the surface to be

sprayed. Evenly control the speed of

movement of the spray gun.

• Moving quickly over the

surface will give a thin coat

and slow movement will give a

heavy coat.

• Apply one coat at a time. If a further coat is required, make sure you

observe the manufacturers drying time recommendations before

applying a second coat.

• When spraying small areas, keep the output control on a low setting

as this will avoid using too much paint and prevent overspray.

• Where possible, avoid stopping and starting when spraying an

object. This can lead to too much, or not enough paint being

applied.

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