Earlex Super Sprayer 85 SG85 User manual

SG85

OPERATING INSTRUCTIONS

Thank you for purchasing the Earlex SG85 Electric Airless Spray Gun,

this is a highly versatile spray gun and can be used

for a variety of applications.

BEFORE USE - PLEASE READ THE SAFETY

& OPERATING INSTRUCTIONS

Please retain for future reference

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1) Handle

2) Mains Lead and Plug

3) Output Control Knob

4) Electromagnetic Motor

5) Atomiser valve

6) Piston

7) Cylinder Housing

8) Drive Housing with Stator

9) Piston Spring

10) Spray Nozzle

11) Suction Tube

12) Paint Container

13) Switch

14) Screw

OUTFIT COMPONENTS AND USES

Your complete Earlex SG85 Electric Airless Spray Gun outfit includes:

.Professional sprayer

with 0.8mm spray

nozzle for spraying

latex and other thick

materials attached.

.Viscosity test cup, which

enables you to test your paint

for thickness before painting.

.Flexible extension

nozzle, which can be

bent at any angle,

making it easier to

paint horizontal or angled

surfaces.

.0.6mm general purpose

spray nozzle.

.Bottle of Lubricating Oil

.Replacement atomiser

valve. Atomiser valves wear

with use, this is apparent

when the spray pattern

changes and atomisation is

incomplete. Then it is time

to change the atomiser valve.

.1.5m (5’) Suction tube

for paint cans. For larger

jobs, paint can be fed

directly from a can using

the suction tube. To

secure tube onto can use

retainer clamp as provided. Hang

paint can on a rung with a wire hook

if a ladder is used.

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SAFETY OPERATING INSTRUCTIONS

PLEASE READ BEFORE

USE

NEVER under any circumstances

aim the nozzle at another person or

animal. In the event of injury

occuring seek expert medical

advice immediately.

The spray gun must not be used for

spraying flammable paints and

solvents with a flash point of less

than 32oC.

Always ensure there is adequate

ventilation when spraying.

We recommend the use of ear

protectors.

We recommend the use of eye

protection to keep hazardous

vapours out of eyes.

Always wear a mask when

spraying.

Always read the paint

manufacturers thinning instructions

before using.

Always keep the spray basket

nozzle in place during use. Never

allow the spray to come in direct

contact with the skin.

The spray gun must not be cleaned

by using flammable liquids with a

flash point of less than 32oC.

Hand-arm vibration does exceed

2.5m/s2.

NEVER spray near a naked flame,

including appliance pilot flame.

NEVER smoke whilst spraying.

NEVER allow children to operate or

play with the spray gun.

Before cleaning, always disconnect

from the mains supply.

Always disconnect from mains

supply when refilling the paint

container.

After every use ensure you clean

your spray gun thoroughly and

ALWAYS LUBRICATE THE

PISTON.

It is recommended that a RCD

(residual current device) rated at

30mA is fitted into the mains supply

socket for added protection against

electric shock.

NEVER USE THE SPRAY GUN

OUTSIDE WHEN IT IS RAINING.

PLEASE NOTE

We have done all we can to ensure that used correctly and according to these

instructions, the Earlex SG85 Electric Airless Spray Gun will give long trouble free

service. We accept no responsibility for damage caused by the use of incorrect or

unsuitable substances, paint 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 components after use.

If in doubt, always test a small inconspicuous area first. Always read the paint

manufacturers instructions first.

Neither our guarantee nor the above statement affect your statutory rights.

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TECHNICAL SPECIFICATION

Power Supply 230V 50Hz-AC

Rated Input 85 Watts

Pump Output 240g/min(water)

Max. Pressure 142 Bar (2000psi)

Container Capacity 1.0 Itr

Spray Gun weight 1.6 kg

Cable length 2 mtr

Piston Material Tungsten Carbide

Cylinder Material Tool Steel

ABOUT THE SG85.

The SG85 is a highly versatile

electric airless spray gun, it can be

used with several different spray

mediums including varnishes, wood

preservatives, enamel paint, oil

based paint and water based

paints. Airless spraying reduces the

mist associated with air spraying

and also reduces paint loss.

A number of applications can be

performed including spraying

fences, sheds, boats, furniture,

radiators, models, louvre doors etc.

IMPORTANT- SELECTING PAINT

Although a large number of paints

and materials can be sprayed,

some cannot. Please check

manufacturers recommendation

before purchasing paint.

CUPRINOL®This company’s

products clearly show which can be

sprayed and which are brush only.

If the can gives details of ‘Airless

Spraying’ it can be sprayed. If it

refers to brush application only it

cannot be sprayed.

IT CANNOT BE USED FOR

EXTERIOR TEXTURED WALL

PAINTS OR TEXTURED

COATINGS. USE OF THESE

MATERIALS WILL CAUSE

PREMATURE WEAR ON THE

PISTON AND WILL VOID YOUR

GUARANTEE.

TO OBTAIN THE BEST RESULTS

FROM YOUR SPRAY GUN

PLEASE READ THE

INSTRUCTIONS CAREFULLY

BEFORE USE.

Your spray gun is supplied with the

following items:

.2 x 0.8mm and 1 x 0.6mm spray

nozzles.

.Viscosity cup for thinning paint.

.Flexible extension nozzle for overhead

painting.

.Spare valve x 2.

.Bottle of lubricating oil to lubricate the

piston after use.

.1.5m (5’) suction tube, return cup and

fitting; for use with paint cans.

PREPARATION

Surface preparation and paint

thinning are the two most important

areas to be concerned with to

obtain the best results from your

spray gun.

Ensure all surfaces are free from

dust, dirt and grease.

Masking is important to ensure you

do not spray those areas you wish

to remain untouched.

Ensure paint is thoroughly mixed.

THINNING

Thinning is particularly important

when spraying. Most paints are

supplied ready for brush application

and need to be sufficiently diluted

for spraying purposes.

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Follow the manufacturers guide for

thinning inconjunction with a spray

gun. If in doubt please consult the

manufacturer of the paint. The

viscosity cup supplied will help you

determine the correct thickness of

the paint.

As some paints, wood

preservatives and other sprayable

materials contain particles and have

different qualities, please ensure

that when filling the paint container

on your SG85, the paint is filtered

through either a funnel with a filter

on it, or through nylon tights or

stockings. This will ensure no large

particles enter the paint container,

so preventing blockages and

providing you with trouble free

spraying. Ensure that a face mask,

gloves, goggles and ear protectors

are worn at all times when

spraying.

IDEAL VISCOSITY

Water based paints 35-45secs

Oil Based paints 15-25secs

Enamel paints 15-25secs

Wood preservatives no dilution

Primers 20-30secs

Varnishes 20-25secs

Aluminium paints 15-25secs

Wood stains no dilution

Latex Emulsions *10-20% dilution

Smooth Masonry Paint (non grit)

*5-10% dilution

* These paints cannot be measured in

the viscosity cup. To spray them,

remove the filter from the suction tube,

thin according to manufacturer’s recom-

mendations and strain to remove any

lumps or particles.

Fig 1

Fig 2 Fig 3

Dip the viscosity cup into the

material and fill up. Time how long it

takes the viscosity cup to empty (fig

1). Using the above chart as a

guide to determine if the material

requires further thinning, thin

accordingly.

OPERATION

Turn the gun upside down and

place a few drops of lubricating oil

in both the apertures on the

underside of the gun (see fig 2).

Momentarily trigger the spray gun

to disperse the oil around the piston

and cylinder, then firmly push the fil-

ter suction tube into the tapered

hole of the raised boss.

Fill the container with the paint,

when filling the paint container, filter

the paint through a piece of nylon

stocking or a funnel which

incorporates a filter to remove any

lumps or particles. DO NOT

OVERFILL. Screw the spray gun on

to the container tightly. Plug in the

unit and before you start spraying

the object, pull the trigger, aiming

the gun at a piece of cardboard or

newspaper until the paint comes

out.

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Adjust the output control knob on

the back of the gun to control the

volume of paint that you wish to

apply (fig 3). This will also affect the

spray pattern. A poor spray pattern

will concentrate the paint in the

centre of the spray and give a

blotchy finish. A good spray pattern

is achieved when there is an even

amount of material in a fine spray

throughout the pattern.

USING THE OUTPUT CONTROL

KNOB

Turning the output control knob

clockwise reduces the flow of

material whilst turning it

anti-clockwise increases the flow.

To adjust the pattern undertake the

following:

1. Turn the knob anti-clockwise to

the maximum position.

2. Pull the trigger and test the

pattern on a piece of cardboard

or newspaper.

3. Turn the output control knob

clockwise until the spray pattern

is correct.

If you have undertaken the above

and you still cannot obtain a good

spray pattern then the material

being sprayed probably requires

further thinning.

MASK ANY AREAS YOU DO NOT

WISH TO BE SPRAYED.

SPRAYING TECHNIQUE

1.To obtain the best results always

keep your spray gun level and

spray equally from side to side or

up or down 25-30cm (10”-12”) from

the surface. Avoid spraying at an

angle as this will lead to runs on the

surface (fig 4).

2. Let your arm control the left to

right movement rather than your

wrist as this will aid even paint

distribution over the whole area

(fig 4).

3. Do not tip the sprayer to more

than 45oangle. Material could flow

into the motor housing and damage

the sprayer.

Fig 4

Fig 5

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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 heavy coat.

2. Only apply one coat at a time. If

a further coat is required follow the

paint manufacturers 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 5).

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, continue and

do not stop until the spray has gone

past the opposite edge.

SPRAY NOZZLE SELECTION

Two nozzle sizes are supplied with

the gun, these should be used as

follows:

1) 0.6mm - This size works best for

oil-based materials, stains, sealers,

lacquers, water-proofers and

enamels for small application areas.

2) 0.8mm - This is a general

purpose nozzle that works best for

materials such as emulsions, latex

and thicker type paints.

3) If you start spraying and find that

the spray pattern is small and

splattery and adjusting the output

control knob does not solve the

problem then you need to try the

larger nozzle before further thinning

the material.

USING THE FLEXIBLE

EXTENSION NOZZLE

The flexible

extension nozzle

can be bent at any

angle to make the

painting of ceilings

and floors much

easier. As the sprayer must not be

tilted at more than a 45ºangle to

prevent a back leak, it is essential

to use the flexible extension to paint

ceilings (fig 6).

To use this, operate as follows:

1) Unscrew the spray gun nozzle by

turning it anti-clockwise. Be sure to

leave the valve in place but check

for wear.

2) Screw the end of the extension

tube with the plastic thread onto the

spray gun.

3) Ensure the short atomiser valve

is inserted into the flexible

extension tube.

Fig 6

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4) Screw the spray nozzle onto the end

of the flexible extension.

5) Bend the flexible extension to the

required shape. Once bent do not

straighten.

6) When finished using, clean all parts

and then re-assemble in the original

configuration.

CLEAN AFTER EVERY USE

(SEE CLEANING INSTRUCTIONS)

HOW TO USE THE 1.5m (5’)

SUCTION TUBE

For larger painting applications, using the

1.5m (5’) suction tube enables you to

draw paint directly out of a large can

instead of using the paint container, thus

saving considerable time and making

painting an even easier job, since you

are operating the sprayer without a

loaded paint container.

Assembling the 1.5m (5’) Suction

Tube:

1. Remove the paint container and the

intake tube from the paint sprayer.

2. Insert the adapter fitting through the

hole in the return cup into the paint

intake port on the sprayer-ensure this is

firmly pushed in. (Same position as

where the section tube was removed

from).

3. Locate the return cup within the

recess where the paint container was

located. Slip the retainer nut over cup

and screw into place firmly. (The return

cup is necessary to catch any paint that

is returned through the overflow bypass

opening below the paint pump).

4. Insert 1.5m (5’) intake suction

tube into adapter fitting up to the

stop. Insert other end of flexible tube

over suction tube filter moulding, ensure

this fits tightly to prevent air leaks,

immerse filter end of suction tube into

paint can and secure tube to can using

the retainer clamp.

5. To reduce the time the sprayer runs

without paint, hold the sprayer below the

paint level when priming the sprayer, this

speeds up the time the paint takes to

draw through the tube. The paint may

need additional thinning if you still

experience difficulty priming the sprayer.

The paint must be stirred fully before

use.

6. When using the spray gun with the

1.5 suction tube only use the gun in

normal upright position, support or hang

the gun in an upright position during

breaks of use.

If the gun is not kept in the normal

upright position after use, remove the

cup and drain the fluids before placing

down on it’s side.

Observe the fluid level in the return cup,

empty before it is completely full.

1 Return Cup

2 Retainer Nut

3 Adaptor Fitting

4 1.5m Suction Tube

5 Retainer Clamp

Suction Tube

6 Suction Tube Filter

Moulding

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PRIMING THE SPRAYER

If you are using the suction tube,

you will need to prime the sprayer

by removing air from the system.

To prime:

1. Turn the flow knob fully

counterclockwise to maximum.

2. Make certain the sprayer is

plugged in.

3. Hold the sprayer below the level

of paint. This will speed the priming.

4. Squeeze the trigger and hold

until all air is out of the system and

material is flowing freely out of the

sprayer tip. This should take about

two minutes.

WARNING- The filter must be

completely submerged in the

paint at all times. If not

completely submerged and air is

sucked into the system, the

piston could seize. If the piston

seizes, the sound the gun makes

will change to a low hum and the

gun will quickly become hot.

Stop using immediately. Clean

and lubricate gun throughly

before re-using.

CLEANING

Run solvent through the tube until it

is clean. Then disassemble the

fittings at both ends before any

remaining paint dries up, thoroughly

clean the adaptor fitting, intake tube

and filter. Also remove the return

cup and clean with an appropriate

solvent.

CLEANING INSTRUCTIONS

After every use it is essential that

you clean the gun thoroughly. This

will prevent any blockages

occuring and provide constant

performance when you next come

to use it.

When you have finished spraying,

empty any remaining material out of

the paint container.

Rinse the spray gun container with

the thinner that was used and spray

through the gun onto cardboard or

newspaper.

REMEMBER-USE SUITABLE

THINNERS WITH A FLASH POINT

OF 32oC MINIMUM. ENSURE

ADEQUATE VENTILATION AND

DO NOT SPRAY NEAR NAKED

FLAMES.

Pour some more of the thinner that

was previously used into the

container and spray the gun until

what is being sprayed becomes

clear.

Wipe the nozzle and paint filter then

clear any remaining debris.Finally

turn the gun upside down and apply

a few drops of the lubricating oil to

the piston (fig 8).

sg82 amend p8.qxd 19/01/00 12:35 Page 9

Momentarily trigger the spray gun

to disperse the oil around the piston

and cylinder.

LONG TERM CLEAN-UP

If the spray gun is being stored for

a period of time the following

should also be undertaken in

addition to the above cleaning

instructions:

1) Ensure the spray gun is

unplugged.

2) Remove paint container and pull

out the suction tube.

3) Unscrew the 4 mounting screws

on the underside of the cylinder

housing.

4) Remove container cover and

cylinder housing from the motor

housing.

5) Remove the piston and spring,

thoroughly clean with the

appropriate thinner.

6) Remove the spray nozzle by

turning anti-clockwise.

7) Pull out the valve, making sure

that this is not ‘stretched’ during

removal or lost.

8) Clean all parts thoroughly.

9) Lubricate with oil.

10) Re-assemble in reverse order.

See fig 9.

MAINTENANCE AND REPAIR

Please be aware that certain parts

of this spray gun will wear, requiring

replacement and that these parts

are not covered by guarantee.

These parts include the valve,

spray nozzle, piston and spring.

The wear on these parts depends

on the abrasiveness of the

materials being sprayed. More

abrasive materials such as latex

paint (emulsions) will cause these

parts to wear much faster. You

would normally expect to replace an

atomiser valve after spraying

between 25-45 litres of latex.

If you check the face of a new valve

you will see the size of the 3 holes

and the smoothness of the

bumpers.

Worn valves will have larger holes

and scratches on the surface. This

will cause a poor spray pattern and

will require replacing. Replacement

valves are available from the Earlex

Service Department.

Fig 9

Fig 8

sg82 amend p8.qxd 19/01/00 12:35 Page 10

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