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OPERATING INSTRUCTIONS
Thank you for purchasing the Earlex Spray System kit.
This is a highly versatile spray kit and can be used on a variety of applications.
BEFORE USE - PLEASE READ
THESE SAFETY
&
OPERATING INSTRUCTIONS.
Please retain for future reference
THE COMPLETE PAINT SPRAYING KIT
SPRAY STATION
2900 & 3900
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SAFETY OPERATING INSTRUCTIONS
PLEASE READ BEFORE USE
l NEVER under any circumstances aim the nozzle at another person or animal.
In the event of injury occurring seek expert medical advice immediately.
l The spray gun must only be used with paints and solvents that have a
suitable flash point for spraying. If in doubt consult paint or solvent
manufacturer’s data.
l Always ensure there is adequate ventilation when spraying.
l NEVER spray near a naked flame, including appliance pilot flame.
l NEVER smoke whilst spraying.
l NEVER allow children to operate or play with the spray gun or motor unit.
l Always read the paint manufacturer’s thinning instructions before using.
l Always disconnect unit from mains supply when refilling the paint container.
l Before cleaning, always disconnect unit from the mains supply.
l
This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety.
l Always wear the correct protective face mask when spraying. We would also
recommend the use of gloves, goggles, ear protection and overalls.
l After every use ensure that you clean your spray gun thoroughly and grease the
gland seal.
l Use only genuine manufacturer replacement parts.
WARNING: The substances used with this spray gun (paint, thinners etc) may contain
hazardous, harmful, explosive or corrosive materials.
AL
WAYS COMPLY WITH THE
SAFETY INSTRUCTIONS ISSUED WITH THIS PRODUCT AND THE MATERIAL
BEING USED.
A-weighted sound pressure level: 85dB(A)
Only use the unit as detailed in these instructions.
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EXPLODED PARTS VIEW
PARTS LIST
Key Description Part No.
01. Air Cap Ring L0215
02. Air Cap L0205
03. Spray Direction Plate L0206
04. Fluid Tip (2.0mm) L0237
05. Fluid Tip Seal L0211
06. Trigger Pin L0209
07. Trigger L0202
08. Fluid Needle (2.0mm) L0236
09. Spring L0216
10. Fluid Adjusting Screw L0210
IF YOU HAVE ANY PROBLEMS WITH YOUR SPRAY GUN OR IF YOU BELIEVE A PART IS MISSING, DO
NOT RETURN TO STORE. PLEASE CONTACT EARLEX LTD ON 01483 454666.
11. Gland Nut L0208
12. Gland Seal L0272
13. Paint Feed Tube L0214
14. Paint Container Seal L0335
15. Paint Container L0201
16. Hose Assembly L0896
17. Viscosity Cup SG243
0920LretliF .81
19. Hose Clip L0505
20. Hose Clip L0506
21. Screw (4xAC45) L0639
3
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INTRODUCTION
HVLP stands for High Volume, Low Pressure. This is a type of spraying that allows you to spray accurately but
without all the overspray that occurs with the high pressure tank type equipment. In fact, in some parts of the
world the high pressure systems are banned by law on environmental grounds and HVLP type systems are the
only alternative for professional type spraying. The HVLP Spray System is easy to use, safe and reduces the
amount of paint used.
IMPORTANT SELECTING PAINT
This is a highly versatile Spray System that can be used with several different spray mediums including
varnishes, wood preservatives, enamels, oil and water based paints and automotive paints. However some
materials cannot be sprayed so please check the recommendation of the manufacturer before buying the paint.
If a material refers to brush application only then it usually cannot be sprayed.
THIS UNIT CANNOT BE USED FOR TEXTURED PAINTS. USE OF THESE MATERIALS WILL CAUSE
PREMATURE WEAR, WHICH WILL VOID THE GUARANTEE.
TO OBTAIN THE BEST RESULTS FROM YOUR SPRAY SYSTEM PLEASE READ THE INSTRUCTIONS
CAREFULLY BEFORE USE.
PREPARATION
Preparation of the surface and thinning of the paint are the two most important areas to be concerned with to
obtain the best results from your Spray System.
Ensure all surfaces are free from dust, dirt, rust and grease. If necessary rub down with sandpaper, or similar.
Masking of areas is important to ensure you do not spray those areas you wish to remain untouched.
THINNING
Your Spray System is supplied with a viscosity cup. Viscosity is a technical term used to indicate if a product
is very thin or very thick. If thin, the viscosity is said to be low, while if very thick the viscosity is said to be high.
Viscosity is measured in seconds. In order to spray some materials they need to be “thinned” (diluted).
Thinning is very important when spraying. Most paints are supplied ready for brush application and may need
to be thinned (diluted) for spraying purposes.
Follow the manufacturers guide for thinning in conjunction with a Spray Gun. If in doubt please contact the
manufacturers of the paint. The viscosity cup supplied will help you determine the correct thickness of the paint.
Paint is “thinned” by adding the substance which the paint is based upon. If a water based paint then water is
added, if oil based then white spirit, if automotive paint then an automotive paint thinner is added.
As some paints, wood preservatives and other sprayable materials contain particles that have grainy material,
please ensure that when filling the Paint Container of the Spray Gun, that the paint is filtered through either a
funnel with a filter on it or through nylon tights or stockings. This will ensure that no large particles enter the
Paint Container, so preventing blockages and providing you with trouble free spraying. Ensure that a face
mask, gloves and goggles are worn at all times when spraying.
Water based paints and 25 - 65 seconds
emulsions
Oil based paints 45 - 50 seconds
Wood preservatives No dilution
Primers 45 - 50 seconds
Varnishes No dilution
Aluminium paints No dilution
Wood stains No dilution
Automotive paint Manufacturer’s ratio
IDEAL VISCOSITY
This Spray Gun can be used with products having a viscosity ranging from 25 to 65 seconds. Dip the viscosity
cup into the material and fill up. Time how long it takes for the viscosity cup to empty (Fig 1).
Using the above chart (or manufacturer’s instructions) as a guide, determine if the material requires further
thinning, if so then thin accordingly
.
If the paint requires thinning, start with a 10% dilution of the paint. To do this, fill a 1litre
container with the required paint.
The viscosity cup supplied with the unit holds 1/10 of a
litre, block the hole in the viscosity cup and fill up with the required thinner
.
Add the thinner
to the paint and stir, measure the viscosity using the recommended viscosity chart above.
If the paint requires further thinning, dilute the paint by another 5% (5% will be equal to half
a viscosity cup) with the required thinner and measure the viscosity, if the paint is not at its
recommended viscosity, repeat the above step.
Note: Some paints are outside the ranges listed above. Please contact our helpline for
further information.
Fig.1
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OPERATION
Fill the Paint Container (15) with the material to be sprayed. DO NOT OVERFILL above MAX level indicator.
Push the Paint Feed Tube firmly into the base of the Spray Gun body. Screw the Paint Container onto the gun
body tightly.
Place the motor unit onto a clean surface, free from any loose debris or liquids. Connect the Hose (16) to the
back of the Spray Gun. Uncoil the mains cable and plug in.
ALWAYS KEEP THE MOTOR UNIT AS FAR AWAY FROM THE SPRAYING AREA AS POSSIBLE TO
PREVENT PAINT CONTAMINATING THE MOTOR.
MASK ANY AREA YOU DO NOT WISH TO SPRAY.
Once you have set up and are ready to spray, switch on the unit. No paint will be sprayed until the trigger on
the spray gun is gently pulled. Before starting any work on spraying actual objects we suggest you spend some
time practicing on cardboard or newspaper until you have got used to how the spray gun works.
l An airtight seal is essential for the correct operation of this gun.
l Before operating the unit please ensure that the Paint Container (15) is securely fixed to the gun body and
the Gland Nut (11) is not loose.
l Over time the Gland Seal (12) will wear and need adjusting. To check the Gland Nut is correctly fitted you
will need a small adjustable spanner. Pull the Trigger (7) back and gradually tighten the Gland Nut by
turning it in a clockwise direction until the Needle is not free to move when the Trigger is released.
l To obtain the optimum setting gradually unscrew the Gland Nut by turning it in an anti-clockwise direction
until the needle moves forward into the Fluid Tip (4). To check your settings are correct spray a container
of water. Re-adjust if necessary.
SPRAY PATTERNS
The Spray Gun has 3 different spray patterns – Horizontal, Vertical and Round (Fig.3).
The Horizontal and Vertical are recommended for large surfaces. The Horizontal is suitable for spraying up and
down and the Vertical is suitable for spraying from side to side, while
the Round spray is used for small objects or for areas - such as
corners – that are difficult to reach.
To adjust the spray pattern, loosen the Air Cap Ring (1), adjust
the position of the Air Cap (2) to obtain either a Vertical,
Horizontal or Round pattern then re-tighten the Air Cap Ring.
Fig.3
Vertical Jet Round JetHorizontal Jet
PAINT VOLUME
The volume of paint sprayed is easily adjustable (Fig.4).
Completely close the Fluid Adjusting Screw (10) by turning this clockwise as far as it
will go. Whilst pulling the Trigger, begin turning the Fluid Adjustment Screw anticlockwise until the volume of paint you require is obtained.
If the paint spray is too wide or contains too much paint turn the Fluid Adjusting Screw
clockwise again. Once the correct spray pattern is obtained you are able to
commence spraying. The paint volume needs to be adjusted everytime you change
the spray pattern especially when you use the Round pattern, as this spray pattern
can often contain too much paint.
Fig.4
SPRAYING TECHNIQUE
1. To obtain the best results always keep your spray gun level and at an equal distance from the object you
are spraying, ideally 25-30cm (10”-12”) (side to side or up or down) from the surface. Avoid spraying at an
angle as this will lead to runs on the surface (Fig.5a-5c).
2. Let your arm control the left to right movement rather than your wrist as this will help to give you an even
paint distribution over the whole area.
3. Do not tip the spray gun to more than a 45
o
angle when the motor is switched off.
4.
Y
ou can tip the Spray Gun at more of an angle when spraying celings
and decking etc, providing that the motor is switched ON. For spraying
at angles, please change the direction of the Paint Feed Tube (13) to
the opposite angle that you are spraying, where there is more paint in
the Container.
Fig.5a
Fig.5b
Fig.5c
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HELPFUL HINTS
1. Evenly control the speed of movement of the Spray Gun. A fast speed will give a thin coat and a slow speed
will give a thick coat.
2. Only apply one coat at a time. If a further coat is required follow the paint manufacturer’s instructions for
drying times.
3. If spraying small areas or objects keep the output setting low as this will avoid
excessive use of paints and will minimise overspray.
4. When spraying large areas or objects, it is best to use a criss-cross pattern, either
from left to right then up or down or vice-versa. This will ensure maximum coverage
(Fig. 6).
5. Avoid stopping and starting when spraying as this can lead to too much or not
enough material on a surface.
6. To ensure edges are covered, commence spraying just to the side of area being
sprayed.
7.
CLEAN SPRAYER AFTER EVERY USE (SEE CLEANING INSTRUCTIONS)
CLEANING INSTRUCTIONS
THE SPRAY GUN MUST BE THOROUGHLY CLEANED IMMEDIATELY AFTER USE. IF THE PAINT DRIES
INSIDE THE GUN, CLEANING WILL BECOME MUCH MORE DIFFICULT AND MAY RENDER THE GUN
INOPERABLE. THIS IS NOT COVERED BY GUARANTEE.
The Spray Gun is the same as a paintbrush, if it is not cleaned it will go hard and can become useless. You
must therefore clean this out after use.
SPRAY GUN
l Remove the Paint Container.
l Pour any leftover paint into its container so that it can be used for the future.
l Pour a quantity of the respective thinner into Container, shake the Spray Gun lightly, reassemble the gun,
then spray this liquid through the gun. Repeat this until the thinner being sprayed is coming through with
no traces of paint.
l Clean any traces of paint off the outside of the Spray Gun.
l Clean the Paint Container Seal (14) inside the Spray Gun body.
FLUID TIP & NEEDLE
l Unscrew Air Cap Ring (1)
l Remove the Air Cap (2)
l Completely remove Fluid Adjusting Screw (10)
l Remove the Spring (9)
l Remove the Fluid Needle (8) by gently pulling the Trigger (7)
l Remove the Fluid Tip (4)
l Remove Spray Direction Plate (3) noting the position of notches
l Remove Fluid Tip Seal (5)
l Remove Paint Container Seal (14)
l Place all of these items (apart from the Paint Container Seal (14) into a container and clean them using a
brush and clean thinners
l Clean the inside of the body of the gun
l Thoroughly dry these parts before reassembling
l Grease the Gland Seal (12). (
USE PETROLEUM JELL
Y
. DO NOT
USE SILICONE BASED GREASE.)
l Reassemble parts in reverse order
.
It is recommended fitting the Fluid
Tip (4) prior to the needle.
NEVER DISPOSE OF P
AINTS OR SOL
VENTS INT
O DRAINS. CONT
ACT
YOUR LOCAL
COUNCIL
TO
ARRANGE COLLECTION OR FOR DETAILS OF NEAREST REGISTERED DISPOSAL SITE.
Fig.6
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SPRAY STATION UNITS
The Spray Station unit only requires minimal maintenance
l Ensure the Filter (18) is kept clean at all times.
This can be washed out if necessary and replaced when dry. From time to time this filter will need
replacing.
l The motor bearings are sealed and lubricated for life. There is no maintenance or adjustment required.
l Clean the turbine and hose unit with a damp cloth after use.
PLEASE NOTE: W
e have done all we can to ensure that used correctly and according to these instructions,
this spray gun will give long and trouble free life. W
e accept no responsibility for damage caused by the use
of incorrect or unsuitable substances, paints or fluids which have not been thinned correctly or are unsuitable
for the surfaces to which they are applied, health hazards arising from lack of ventilation when working in
confined spaces or failure of the equipment due to inadequate cleaning of the components after use. If in
doubt, always test a small inconspicuous area first.
Always read the paint manufacturer
’
s instructions first.
Neither our
guarantee nor the above statement af
fects your statutory rights.
TROUBLE SHOOTING
The Spray Station 3900 kit
includes a 4L Spray Pack
and a cleaning kit.
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MAINS CONNECTION
This unit is a Class II appliance which means it is double insulated for your protection, no earthing wire is
necessary.
If the supply cord is damaged, it must be replaced by Earlex Ltd or our appointed agents.
Your unit has been supplied with a mains lead with a fitted fused plug. Please read the following safety
instructions before use.
1. If the fitted plug is cut off from the mains lead then the plug must be disposed of safely. NEVER under any
circumstances insert such a plug into a 13 Amp socket.
2. NEVER under any circumstances use the appliance or mains lead without the fuse cover fitted.
This is the little cover fixed into the base of the plug to hold the fuse in place.
3. If you lose the fuse cover then please contact any electrical dealer for a replacement or ring our helpline.
4. A replacement fuse must be rated at 5 Amp. These must be manufactured and approved to BS 1362.
5. IF IN ANY DOUBT CONTACT AN ELECTRICIAN.
If you need to fit a plug to the mains lead, this should be fitted in accordance with the wiring instructions below,
and will need to be used with a 5 Amp fuse. If in doubt consult an electrician.
If you are using an extension lead it must be rated at a minimum of 6 Amps and fully unwound. Do not operate
with a lead rated at less than 6 Amps as this will cause premature failure of the motor which is not covered by
the guarantee.
Earlex Limited,
Opus Park, Moorfield Road, Guildford, Surrey, GU1 1SZ, UK
Tel: +44 (0) 1483 454666. Fax: +44 (0) 1483 454548
www.earlex.co.uk
EC Declaration of Conformity
We declare that the unit: HV2900/HV3900 Conforms to LVD 2006/95/EC, EN60335-1, EMC 2004/108/EC,
EN55014-1, EN55014-2, EN61000-3-2, EN61000-3-3, EMF EN50366.
Tim Hopper Technical Director
British Registered Design Nos: GB 3022947, GB 3022948, FR 06/5463, FR06/5462,
EU 000608856, US 29/268,080
Copyright & Design Right Reserved © 2008
GUARANTEE
This product is guaranteed for a period of 24 months against faulty manufacture and materials. It is not
guaranteed for industrial or hire purposes. The guarantee does not affect your statutory rights. For further
information please contact us on our Helpline No between 08.30 and 5.00 p.m. Mondays to Fridays
(excluding Bank Holidays) or visit our Website on www.earlex.co.uk
HELPLINE No 01483 – 454666
© 2008 Earlex Ltd. L0635 04/08
EARLEX LTD. WILL ACCEPT NO RESPONSIBILITY FOR THE USE OF THIS PRODUCT IF USED FOR
ANY OTHER PURPOSES THAN THOSE DETAILED HEREIN
INFORMATION ON THE DISPOSAL OF WASTE ELECTRICAL EQUIPMENT KNOWN AS WEEE
Your attention is brought to new directives applicable to the disposal of this electrical equipment,
where in accordance with the legislation this product must not be disposed of in your normal
household waste. Instead it is your responsibility to dispose of this type of waste by handing it
over to special designated collection points for recovery and recycling. This product is marked
with a ‘Wheelie bin’ symbol with a cross on it to remind you of this action. The objective of this
directive is to help conserve resources and ensure that it is recycled in a manner that protects
human health and the environment. For more information about where you can drop off your
waste please contact your local authority, take back facilities are free of charge.
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