Unimac Um-s1p User manual

It is recommended to print this page, laminate it and

attach it to the machine for easy reference

UM-S1P Electric High-Pressure

Airless Paint Station

User Manual

[Revision 3.0 July 2018]

READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY

DAMAGE AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by

this manual may vary in appearance, assembly, inclusions, specifications, description and packaging.

UM-S1P Electric High-Pressure Airless Paint Station

Safety

Safety messages are designed to alert you to possible dangers or hazards that could cause death, injury or

equipment or property damage if not understood or followed. Safety messages have the following symbols:

You WILL be KILLED or

SERIOUSLY INJURED if you do

not follow instructions.

You CAN be KILLED or

SERIOUSLY INJURED if you do

not follow instructions.

You CAN be INJURED if you do

not follow instructions or

equipment damage may occur.

It is vital that you read and understand this

user manual before using the product,

including safety warnings, and any

assembly and operating instructions. Keep

the manual for future reference.

Safety precautions and recommendations

detailed here must be fully understood and

followed to reduce the risk of injury, fire,

explosion, electrical hazard, and/or

property damage.

Safety information presented here is

generic in nature – some advice may not

be applicable to every product. The term

"equipment" refers to the product, be it

electrical mains powered, battery powered

or combustion engine powered.

•Before Use - If you are not familiar with

the safe operation/handling of the

equipment, or are in any way unsure of

any aspect of suitability or correct use

for your application, you should

complete training conducted by a person

or organization qualified in safe use and

operation of this equipment, including

fuel/electrical handling and safety.

•Do NOT operate the equipment in

flammable or explosive environments,

such as in the presence of flammable

liquids, gases or dust. The equipment

may create sparks or heat that may

ignite flammable substances.

•Keep clear of moving parts.

•Equipment may be a potential source of

electric shock or injury if misused.

•Do NOT operate the equipment if it is

damaged, malfunctioning or is in an

excessively worn state.

•Do NOT allow others to use the

equipment unless they have read this

manual and are adequately trained.

•Keep packaging away from children -

risk of suffocation! Operators must use

the equipment correctly. When using the

equipment, consider conditions and pay

due care to persons and property.

General Work Area Safety

•Work areas should be clean and well it.

•Do not operate the equipment if

bystanders, animals etc are within

operating range of the equipment or the

general work area.

•If devices are provided for connecting

dust extraction / collection facilities,

ensure these are connected and used

properly. Dust collection can reduce

dust-related hazards.

General Personal Safety

•Wear appropriate protective equipment

when operating, servicing, or when in

the operating area of the equipment to

help protect from eye and ear injury,

poisoning, burns, cutting and crush

injuries. Protective equipment such as

safety goggles, respirators, non-slip

safety footwear, hard hat, hearing

protection etc should be used for

appropriate equipment / conditions.

Other people nearby should also wear

appropriate personal protective

equipment. Do not wear loose clothing

or jewellery, which can be caught in

moving parts. Keep hair and clothing

away from the equipment.

•Stay alert and use common sense when

operating the equipment. Do not over-

reach. Always maintain secure footing

and balance.

•Do not use the equipment if tired or

under the influence of drugs, alcohol or

medication.

•This equipment is not intended for use

by persons with reduced physical,

sensory or mental capabilities.

General Fuel Safety

•Petrol/fuel/gasoline is extremely

flammable – keep clear of naked flames

or other ignition sources.

•Do not spill fuel. If you spill fuel, wipe it

off the equipment immediately – if fuel

gets on your clothing, change clothing.

•Do NOT smoke near fuel or when

refuelling.

•Always shut off the engine before

refuelling.

•Do NOT refuel a hot engine.

•Open the fuel cap carefully to allow any

pressure build-up in the tank to release

slowly.

•Always refuel in well ventilated areas.

•Always check for fuel leakage. If fuel

leakage is found, do not start or run the

engine until all leaks are fixed.

General Carbon-Monoxide Safety

•Using a combustion engine indoors CAN

KILL IN MINUTES. Engine exhaust

contains carbon-monoxide – a poison

you cannot smell or see.

•Use combustion engines OUTSIDE only,

and far away from windows, doors and

vents.

General Equipment Use and Care

•The equipment is designed for domestic

use only.

•Handle the equipment safely and

carefully.

•Before use, inspect the equipment for

misalignment or binding of moving parts,

loose components, damage or any other

condition that may affect its operation. If

damaged, have the equipment repaired

by an authorised service centre or

technician before use.

•Prevent unintentional starting of the

equipment - ensure equipment and

power switches are in the OFF position

before connecting or moving equipment.

Do not carry equipment with hands or

fingers touching any controls. Remove

any tools or other items that are not a

part of the equipment from it before

starting or switching on.

•Do not force the equipment. Use the

correct equipment for your application.

Equipment will perform better and be

safer when used within its design and

usage parameters.

•Use the equipment and accessories etc.

in accordance with these instructions,

considering working conditions and the

work to be performed. Using the

equipment for operations different from

those intended could result in hazardous

situations.

•Always keep equipment components

(engines, hoses, handles, controls,

frames, housings, guards etc) and

accessories (cutting tools, nozzles, bits

etc) properly maintained. Keep the

equipment clean and, where applicable,

properly lubricated.

•Store the equipment out of reach of

children or untrained persons. To avoid

burns or fire hazards, let the equipment

cool completely before transporting or

storing. Never place or store the

equipment near flammable materials,

combustible gases or liquids etc.

•The equipment is not weather-proof, and

should not be stored in direct sunlight, at

high ambient temperatures or locations

that are damp or humid.

•Do not clean equipment with solvents,

flammable liquids or harsh abrasives.

•For specific equipment safety use and

care, see Equipment Safety.

UM-S1P Electric High-Pressure Airless Paint Station

General Electrical Safety

•Inspect electrical equipment, extension

cords, power bars, and electrical fittings

for damage or wear before each use.

Repair or replace damaged equipment

immediately.

•Ensure all power sources conform to

equipment voltage requirements and are

disconnected before connecting or

disconnecting equipment.

•When wiring electrically powered

equipment, follow all electrical and

safety codes.

•Wherever possible, use a residual

current device (RCD).

•High voltage / high current power lines

may be present. Use extreme caution to

avoid contact or interference with power

lines. Electrical shock can be fatal.

General Electrical Safety

•Electrically grounded equipment must

have an approved cord and plug and be

connected to a grounded electrical

outlet.

•Do NOT bypass the ON/OFF switch and

operate equipment by connecting and

disconnecting the electrical cord.

•Do NOT use equipment that has

exposed wiring, damaged switches,

covers or guards.

•Do NOT use electrical equipment in wet

conditions or in damp locations.

•Do NOT use electrical cords to lift, move

or carry equipment.

•Do NOT coil or knot electrical cords, and

ensure electrical cords are not trip

hazards.

General Service Information

•The equipment must be serviced or

repaired at authorised service centres by

qualified personnel only.

•Replacement parts must be original

equipment manufacturer (OEM) to

ensure equipment safety is maintained.

•Do NOT attempt any maintenance or

repair work not described in this manual.

•After use, the equipment and

components may still be hot – allow the

equipment to cool and disconnect spark

plugs and/or electrical power sources

and/or batteries from it before making

adjustments, changing accessories or

performing repair or maintenance.

•Do NOT make adjustments while the

equipment is running.

•Perform service related activities in

suitable conditions, such as a workshop.

•Replace worn, damaged or missing

warning/safety labels immediately.

UM-S1P Electric High-Pressure Airless Paint Station

Safety Symbols

The product may have safety warning labels attached to it, explained below. Understand the symbols on

your product and their meanings. If any stickers become unreadable, unattached etc, replace them.

Flammable Material Hazard

Flammable liquids, gases or

substances etc may present.

Avoid ignition sources and

open flames. Danger of fire.

Read User Manual

Read and fully understand

product safety warnings,

operation, procedures etc

before using the product.

Use Hand Protection

Wear appropriate hand

protection and take due care

as the product or use of the

product may present hand

hazards.

Carbon-Monoxide Hazard

Do not use the product in

confined areas or without

adequate ventilation. Carbon-

monoxide poisoning can be

fatal.

Electrocution / Electrical

Shock Hazard

High voltage or high current

electricity may be present or

required by the product. Take

due care when handling

electrical products, cables,

plugs and leads. Electrical

shock can be fatal.

Toxic Fumes / Dust Hazard

Using the product or by-

products from use may

produce fumes, smoke or

particles that could be harmful

if inhaled. Wear appropriate

breathing protection and have

adequate ventilation.

Explosive Material Hazard

Combustible liquids, gases or

substances etc may be

present. Avoid ignition sources

and open flames. Danger of

explosion.

Cutting / Amputation Hazard

The product may have blades,

edges or mechanical devices

that can cause severe cut

injury to fingers, limbs etc.

Take due care when handling

and using the product.

Crush Hazard

The product may have blades,

edges or mechanical devices

that can cause severe crush

injury to fingers, limbs etc.

Take due care when handling

and using the product.

Single Operator Only

The product must be operated

by a single person only. More

than one person operating the

product may introduce

additional hazards.

Use Face Protection

Wear appropriate full-face

protection and take due care

as the product or use of the

product may present face and

eye hazards.

Use Foot Protection

Wear appropriate foot

protection and take due care

as the product or use of the

product may present foot

hazards.

Use Eye / Ear / Head

Protection

Wear appropriate eye and / or

ear and / or head protection

and take due care as the

product or use of the product

may present eye, hearing and

head hazards.

Running Hazard

Do not run on or near the

product as doing so may

present a fall hazard.

Diving Hazard

Do not dive into the product as

doing so may present a neck /

head injury hazard.

Adult Supervision Required

Always supervise children and

other users of a product to

prevent drowning or injury.

Skin Penetration / Puncture

Hazard

The product may produce

pressure, emit liquids or

objects that can cause severe

injury to fingers, limbs, blood

etc. Take due care when

handling and using the

product.

Hot Surface Hazard

Be aware that the product may

produce high temperatures

and hot surfaces that can

cause burn injuries.

Flying Debris Hazard

Be aware that the product or

use of the product may

present hazards produced by

flying debris. Wear appropriate

clothing and protectiove

devices.

Moving Parts Hazard

Be aware that the product

contains or uses mechanical

devices that move or rotate.

Always wait for moving parts

to stop fully before handling

the product, adjusting,

maintenence etc.

UM-S1P Electric High-Pressure Airless Paint Station

Carbon-Monoxide Hazard

Do not use the product in

confined areas or without

adequate ventilation. Carbon-

monoxide poisoning can be

fatal.

Pull Hazard

Be aware that the product

contains or uses mechanical

devices that can pull in objects

and can cause severe injury to

fingers, limbs etc. Take due

care when handling and using

the product.

Slope / Fall Injury Hazard

Be aware that using the

product on sloping surfaces or

in slippery conditions may

present additional dangers

from falls and contact with

blades, moving parts, hot

surfaces etc.

"Slam Dunk" Warning

Do NOT attempt "slam dunk"

maneouvres as this may result

in severe injury due to falling,

product breakage or collapse

etc.

Electrocution / Electrical

Shock Hazard - Outdoor

High voltage or high current

electricity may be present or

required by the product. Do

NOT use in rain, damp or wet

conditions. Electrical shock

can be fatal.

Electrocution / Electrical

Shock Hazard - Disconnect

High voltage or high current

electricity may be present or

required by the product.

Always disconnect the product

from the electrical supply

before handling the product,

adjusting, maintenence etc.

Power Line Electrocution

Hazard

High voltage / high current

power lines may be present.

Use extreme caution to avoid

contact or interference with

power lines. Electrical shock

can be fatal.

"Kick-Back" Hazard

High level of "kick-back"

hazard that can cause the

machine to suddenly rotate

towards operator. Kick-back

injury can be fatal.

Winch Operator Position

Hazard

Do NOT stand between winch

and load. Do NOT use winch

to move people.

Winch Lift Hazard

Do NOT LIFT load vertically.

Use machine to PULL only.

Cable Hazard

Ensure that load bearing cable

is not kinked or knotted.

Winch Cable Hazard

Ensure that there is a

minimum number of cable

coils on winching mechanism.

Winch Hook Hazard

Carry hook to load – do NOT

throw or run.

UM-S1P Electric High-Pressure Airless Paint Station

Equipment Safety

•It is highly recommendations to use the equipment with a residual current device (RCD) rated at 30mA

or less.

•Never spray flammable paints or solvents with a flash point below 21ºC.

•Never spray near a naked flame, including an appliance pilot light.

•Never smoke whilst spraying.

•Never allow children to operate or play with the spray gun.

•Never use the equipment outside if it is raining.

•Never immerse the spray gun in liquid. This could lead to electric shock, personal injury and material

damage.

•Always ensure there is adequate ventilation when spraying.

•Always wear a respirator and eye protection when spraying.

•Always read the paint manufacturer’s instructions before using.

•Never allow the spray material to come in direct contact with the skin.

•Do not clean the equipment using flammable liquids with a flash point below 21ºC.

•Clean the equipment thoroughly after every use.

•Before cleaning, always disconnect the equipment from the mains supply.

•Do not point the spray gun at yourself or any other person or animal. Injury from penetration of the skin

and paint or solvents being injected into the body can result. If injury from paint or solvent injection into

the skin or body occurs, seek medial attention immediately and advise the paints or solvents used.

•Always check hose connections for leaks, and for correct equipment operation before use. Never

operate the equipment if there are any leaks or faults – seek diagnosis and repair before using the

equipment.

•Release pressure in the equipment when finished spraying. Pressure can remain in the unit and hose

when switched off.

UM-S1P Electric High-Pressure Airless Paint Station

Table of Contents

Safety...................................................................................................................................................2

Safety Symbols ..........................................................................................................................................4

Equipment Safety...............................................................................................................................6

Parts Identification.............................................................................................................................8

Machine Components ................................................................................................................................9

Assembly ..........................................................................................................................................10

Operation ..........................................................................................................................................12

Priming.....................................................................................................................................................12

Set-Up......................................................................................................................................................13

Spraying Procedure .................................................................................................................................14

Spraying Technique...........................................................................................................................15

Cleaning ............................................................................................................................................16

Inlet Hose and Filter................................................................................................................................. 16

Spray Gun and High-Pressure Hose........................................................................................................17

Pressure Release Procedure..........................................................................................................18

Troubleshooting...............................................................................................................................19

Specifications...................................................................................................................................19

UM-S1P Electric High-Pressure Airless Paint Station

Parts Identification

No. Name No. Name

1 Machine Body 8 Tools / Fasteners / Accessories

Pressure Gauge

3-Way Adaptor

2 x Gun Filter

4 x M6 Bolt / Washers / Spring Washers

Cleaning Kit (includes several pipe cleaners and

brushes etc)

5mm Allen Key

2 Frame

3 High-Pressure Hose

4 Inlet Hose (includes clamps and end filter)

5 Return Hose (includes clamp)

6 Spray Gun

7 Gun Extension Lance

1

3

2

7

6

4

8

5

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UM-S1P Electric High-Pressure Airless Paint Station

Machine Components

No. Name No. Name

1 Pressure Valve 8 Spray Gun Trigger

2 Spray Valve 9 Mixing Nozzle

3 Pressure Gauge 10 Spray Tip

4 Inlet Port 11 Trigger Lock

5 Return Port 12 Handle (contains filter)

6 Outlet Port 13 High-Pressure Hose Connector

7 ON / OFF Switch

1

2

3

7

5

4

6

9

10

11

8

13

12

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UM-S1P Electric High-Pressure Airless Paint Station

Assembly

1. Lower the machine body into the frame, with the front

of the machine toward the lower side of the frame.

2. Secure the machine to the frame with the four M6

bolts, spring washers and washers. Firmly tighten the

fasteners using the Allen key.

3. Connect the adaptor to the outlet port. Firmly tighten

the connecting nut using a 19mm spanner.

4. Connect the pressure gauge to the adaptor "T"

connector (middle connector), then firmly tighten by

hand.

5. Connect the high-pressure hose to the adaptor outlet

connector. Firmly tighten the connecting nut using a

19mm spanner.

6. Connect the other end of the high-pressure hose to

spray gun connector. Firmly tighten the connecting nut

using a 19mm spanner.

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UM-S1P Electric High-Pressure Airless Paint Station

7. Push the inlet hose onto the inlet port, then secure it

using the hose clamp.

8. Push the return tube to the return port, then secure it

using the spring clamp.

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UM-S1P Electric High-Pressure Airless Paint Station

Operation

Read, understand and follow all safety recommendations before using the equipment. • The

quality of finish depends considerably on how well prepared the surface is for painting.

Properly prepare the surface before painting. • You must remove any air from the unit before spraying. This

operation is known as “priming” or “bleeding”. If the system is not properly primed, a poor quality paint finish

may result. If the machine constantly starts and stops during use, repeat priming procedure steps 3 to 6.

Priming

NOTE: Do not thin paint for use in this spray gun.

1. Submerge the input and return hoses in the

coating material.

2. Rotate the pressure valve left (anti-clockwise)

until fully out.

3. Set the spray valve to the "prime" position (lever

facing down), then switch the unit on.

4. Wait for air bubbles to clear from the return

hose. When no bubbles can be seen in the

hose or in the coating material, the pump is

primed.

5. Set the spray valve to the "spray" position (lever

facing forward).

6. Wait for the equipment to automatically stop.

The equipment is now primed and pressurised.

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UM-S1P Electric High-Pressure Airless Paint Station

Set-Up

The machine automatically regulates pressure – when the set pressure is reached, the motor shuts off.

When the pressure drops, the motor starts again until the correct pressure is reached and so on.

Pressure

1. Rotate the pressure valve as required until a

medium to high pressure shows on the pressure

gauge.

2. Test spray some scrap material, and adjust

pressure until a smooth and even spray

consistency is achieved

Stroke Speed

1. Spray a test patch or scrap material and assess

the speed of stroke required for the pressure

and coating material. Generally, lower

pressures will require slower strokes, and higher

pressures, faster strokes.

Aligning the Spray Nozzle

1. Perform the pressure release procedure. Then rotate the mixing nozzle to match the direction of

preferred spray pattern (vertical (up-down), or horizontal (sideways (left-right)).

Horizontal

Vertical

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UM-S1P Electric High-Pressure Airless Paint Station

Spraying Procedure

2. Keep the spray gun approximately 30cm (12")

from the surface to be sprayed. Maintain this

distance.

3. Switch the machine on. Release the spray trigger

lock. Rotate the spray tip to the “spray” setting (arrow

pointing forward).

4. Begin 15cm (6") off the edge of the area being sprayed. Start the movement of the stroke before

squeezing the trigger.

5. Release the trigger once past the opposite edge of the area being sprayed.

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UM-S1P Electric High-Pressure Airless Paint Station

Spraying Technique

1. Move the spray gun with the entire arm, not by rotating the wrist. This will keep the spray gun

perpendicular to the surface, helping keep the pattern and coverage even.

2. Keep the spray gun angle perpendicular to the surface, so spray distance is consistent.

3. Overlap each stroke by 30% to ensure even coverage.

TIPS:

•Do not spray out doors on a windy day as the results may be unsatisfactory.

•Apply one coat at a time. Always allow a coat to completely dry before adding another coat.

•Avoid stopping and starting as this can lead to a patchy finish. It is best to start spraying outside the

surface to be sprayed and avoid stopping in the middle of the surface, continue just past the opposite

edge.

•If taking a break from spraying for more than several minutes, perform the pressure release procedure

and place the spray tip in the applicable paint solvent to prevent paint from drying and forming blockages

in it.

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UM-S1P Electric High-Pressure Airless Paint Station

Cleaning

Perform the pressure release procedure before starting the cleaning procedure. Follow the

cleaning procedure carefully as a build-up of dried paint on the operating components can

stop the unit from working. • Always use the appropriate cleaner for the paint in use (water for acrylics,

mineral turpentine for enamels etc). • Equipment failure, poor operation or unsatisfactory results from

failing to properly clean and maintain the equipment is NOT covered under warranty.

Inlet Hose and Filter

1. Remove the inlet hose from the coating material

then switch the machine on.

2. Wait for paint to stop running out of return hose

then switch the machine off.

3. Place the inlet hose into a bucket of appropriate

cleaner.

4. Rotate the spray tip to the “clean” setting (arrow

pointing backward).

5. Rotate the pressure valve left (anti-clockwise)

until fully out, then switch the unit on and wait 30

seconds.

6. Set spray valve to the "spray" setting (lever

forward).

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UM-S1P Electric High-Pressure Airless Paint Station

7. Squeeze the trigger to cycle the cleaning liquid

through the system. Repeat steps 3 to 5 until the

liquid running through the return hose is clear.

8. Once complete, perform the pressure release

procedure.

9. Loosen the hose clamp at the filter end of the inlet hose.

10. Pull the filter from of hose and rinse thoroughly in appropriate cleaner.

11. Push the filter back into the hose.

12. Secure the filter using the hose clamp.

Spray Gun and High-Pressure Hose

1. Disconnect the spray gun from the high-pressure

hose.

2. Remove the spray tip, then unscrew the mixing

nozzle.

3. Pull the bottom of the trigger guard from the

spray gun handle.

4. Unscrew the handle from the spray gun, then

remove the filter from the top of the handle.

Clean the filter thoroughly.

5. Rinse all elements of spray gun to remove any remaining traces of paint.

6. Reassemble spray tip and guard. Then follow this procedure in reverse to reassemble spray gun.

7. Coil the high-pressure hose after cleaning and for storage to prevent damage.

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UM-S1P Electric High-Pressure Airless Paint Station

Pressure Release Procedure

Perform the pressure release procedure when shutting the equipment down for any

purpose, including cleaning or adjusting.

1. Turn the spray trigger safety lock on.

2. Rotate the pressure valve left (anti-clockwise)

until fully out.

3. Switch the machine off, and then place the spray valve in the "prime" position (lever facing down).

Prime Position

Spray Position

4. Squeeze the spray trigger to release any remaining pressure in gun.

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UM-S1P Electric High-Pressure Airless Paint Station

Troubleshooting

Problem Cause Remedy

Little or no material flow Gun or inlet hose or filter

blockage.

Spray pressure too low.

Inlet hose loose, filter blocked

or not fully submerged or

damaged.

Clean.

Increase pressure (pressure valve).

Ensure hose is clean, undamaged, properly

secured to inlet connection and the filter end is fully

submerged.

Gun leaking Spray nozzle loose.

Spray nozzle worn.

Spray nozzle seal worn.

Material build-up in and

around spray / mixing nozzle.

Tighten.

Replace.

Clean.

Atomization too coarse Material viscosity too high.

Spray pressure too high.

Spray nozzle unclean.

Thin.

Decrease pressure.

Clean.

Paint runs or sags Too much material being

applied.

Adjust pressure to reduce flow; increase stroke

speed; maintain correct spraying distance.

Excessive overspray Gun too far from spray

object.

Spray pressure too high.

Maintain correct spraying distance.

Decrease pressure.

Paint finish uneven or

surface not fully covered

Too little material being

applied.

Adjust pressure to increase flow; reduce stroke

speed; maintain correct spraying distance.

Gun splutters during

spraying

Priming required. Prime pump.

No inlet suction Inlet hose or filter blockage.

Priming required.

Clean.

Prime pump.

Specifications

Electrical Requirements 240V/50Hz

Spray Tip 517

Max Liquid Flow Rate 1l/minute approximately

High-Pressure Hose Length 7.5m

Nozzle Extension Length 43cm

Inlet / Return Hose Length 1m

Coating Types Water-based paints; oil-based paints; latex; enamels; lacquers; varnishes;

primers; stains; preservatives; and other non-abrasive materials

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Unimac UM-S1P User manual

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