UNIMAC TOLACMUM2C4FA 24L Portable Silent Oil-Free Electric User Manual

User Manual

[Revision 2.0]

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.

ACM-240s Oil Free Air Compressor

E&OE © Unimac 2

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

•

Keep packaging away from children and

pets, potential risk of suffocation or

choking.

• 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.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 3

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.

• Always use a Residual Current Device

(RCD) (GFCI) / Earth Leakage Circuit

Breaker / Safety Switch when operating this

item (electrical items only).

• 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 adjusting, changing

accessories, or performing repair or

maintenance.

• Do NOT adjust 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.

Child Choking Hazard!

• W

ARNING: CHOKING HAZARD - CHILDREN UNDER 8 YRS. CAN CHOKE OR SUFFOCATE ON SMALL PARTS. ADULT

SUPERVISION REQUIRED.

• Carefully inspect anything a baby or child could gain access to, including this product & packaging.

• Dangers include anything of a size that could become stuck or lodged in a baby or child's airway.

• Dangers include things like raw, hard fruit and vegetable pieces, large pieces of meat, bones or sausage skins, popcorn, nuts,

hard lollies and corn chips, small magnets and batteries, coins, beads, marbles and small uninflated balloons, broken toys and smaller toys,

buttons, keys, and coins. But there are also many more.

• Pay particular attention to accessories, nuts, bolts, screws, washers, caps, covers, loose parts, parts that could be removed or break off, pieces

of packaging, staples, tape etc.

• In the case of any doubt, secure the item of concern in an appropriate manner, or completely remove the possibility of access by a baby or child.

General Safety Instructions

• RE

AD THIS MANUAL BEFORE USING THIS PRODUCT. FAILURE TO FOLLOW THE INSTRUCTIONS AND SAFETY PRECAUTIONS IN

THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH. KEEP THIS MANUAL FOR FUTURE REFERENCE.

• Your safety and the safety of others depend on you thoroughly reading and understanding this manual. Most tool-related incidents are caused by

failure to observe basic safety rules or precautions. You must be alert to potential hazards. You must have the necessary training, skills, and tools

to perform these functions. Manufacturer cannot anticipate every possible circumstance that might involve a potential hazard. Therefore, the

warnings in this manual are not all inclusive. If a tool, procedure, work method or operating technique that is not specifically recommended by

Manufacturer is used, you must satisfy yourself that it is safe for you and for others. You should also ensure that the product will not be damaged

or be made unsafe by the operation, lubrication, maintenance, or repair procedures that you choose.

• WARNING: THIS PRODUCT OR ITS POWER CORD MAY CONTAIN CHEMICALS KNOWN TO CAUSE CANCER AND BIRTH DEFECTS OR

OTHER REPRODUCTIVE HARM. WASH HANDS AFTER HANDLING.

• WARNING: YOU CAN CREATE DUST WHEN YOU CUT, SAND, DRILL, OR GRIND MATERIALS SUCH AS WOOD, PAINT, METAL,

CONCRETE, CEMENT, OR OTHER MASONRY. THIS DUST OFTEN CONTAINS CHEMICALS KNOWN TO CAUSE CANCER, BIRTH

DEFECTS, OR OTHER REPRODUCTIVE HARM. WEAR PROTECTIVE GEAR.

Important Safety Information

• P

LEASE READ AND SAVE THESE INSTRUCTIONS. READ CAREFULLY BEFORE ATTEMPTING TO ASSEMBLE, INSTALL, OPERATE,

OR MAINTAIN THE PRODUCT DESCRIBED. PROTECT YOURSELF AND OTHERS BY OBSERVING ALL SAFETY INFORMATION.

FAILURE TO COMPLY WITH INSTRUCTIONS COULD RESULT IN PERSONAL INJURY AND/OR PROPERTY DAMAGE! RETAIN

INSTRUCTIONS FOR FUTURE REFERENCE.

• This manual contains important safety, operational and maintenance information. If you have any questions, please visit an authorised service

centre, or contact the manufacturer.

• Since the air compressor and other components used (material pump, spray guns, filters, lubricators, hoses, etc.) make up a high-pressure

pumping system, the following safety precautions must be observed at all times:

• Read all manuals included with this product carefully. Be thoroughly familiar with the controls and the proper use of the equipment.

• Follow all local electrical and safety codes in your area.

• Only persons well acquainted with these rules of safe operation should be allowed to use the compressor.

• Keep visitors away and keep out of reach of children.

• Wear safety glasses and use hearing protection when operating the unit.

• Do not stand on or use the unit as a handhold.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 4

• Before each use, inspect compressed air system and electrical components for signs of damage, deterioration, weakness or leakage. Repair or

replace defective items before using.

• Check all fasteners at frequent intervals for proper tightness.

• WARNING: MOTORS, ELECTRICAL EQUIPMENT, AND CONTROLS CAN CAUSE ELECTRICAL ARCS THAT WILL IGNITE A

FLAMMABLE GAS OR VAPOR. NEVER OPERATE OR REPAIR IN OR NEAR A FLAMMABLE GAS OR VAPOR. NEVER STORE

FLAMMABLE LIQUIDS OR GASES IN THE VICINITY OF THE COMPRESSOR.

• WARNING: DO NOT OPERATE WITH GUARD REMOVED.

• WARNING: RISK OF ELECTRIC SHOCK. USE GFCI. USE INDOORS ONLY. DISCONNECT ALL CONNECTIONS BEFORE SERVICING.

• Do not wear loose clothing or jewellery that will get caught in the moving parts of the unit.

• CAUTION: COMPRESSOR PARTS MAY BE HOT EVEN IF THE UNIT IS STOPPED.

• Keep fingers away from a running compressor; fast moving and hot parts will cause injury and/or burns.

• If the equipment should start to vibrate abnormally, STOP the engine/motor and check immediately for the cause. Vibration is generally a warning

of trouble.

• To reduce fire hazard, keep engine/motor exterior free of oil, solvent, or excessive grease.

• WARNING: AN ASME CODE SAFETY RELIEF VALVE WITH A SETTING NO HIGHER THAN THE MAXIMUM ALLOWABLE WORKING

PRESSURE (MAWP) MUST BE INSTALLED IN THE TANK FOR THIS COMPRESSOR. THE ASME SAFETY VALVE MUST HAVE

SUFFICIENT FLOW AND PRESSURE RATINGS TO PROTECT THE PRESSURIZED COMPONENTS FROM BURSTING.

• CAUTION: SEE COMPRESSOR SPECIFICATION DECAL FOR MAXIMUM OPERATING PRESSURE. DO NOT OPERATE WITH PRESSURE

SWITCH OR PILOT VALVES SET HIGHER THAN THE MAXIMUM OPERATING PRESSURE.

• Never attempt to adjust ASME safety valve. Keep safety valve free from paint and other accumulations.

• WARNING: NEVER USE PLASTIC (PVC, ABS, OR CPVC) PIPE FOR COMPRESSED AIR.

• DANGER! WARNING: RISK OF BURSTING. IF AIR TANK DEVELOPS A LEAK, REPLACE THE AIR TANK IMMEDIATELY. NEVER

REPAIR, WELD, OR MODIFY THE AIR TANK OR ATTACHMENTS. NEVER MAKE ADJUSTMENTS TO THE FACTORY SET PRESSURES.

NEVER EXCEED MANUFACTURER’S MAXIMUM ALLOWABLE PRESSURE RATING OF ATTACHEMENTS.

• NOTICE: Drain liquid from tank daily.

• Tanks rust from moisture build-up, which weakens the tank. Make sure to drain tank regularly and inspect periodically for unsafe conditions such

as rust formation and corrosion.

• Fast moving air will stir up dust and debris which may be harmful. Release air slowly when draining moisture or depressurizing the compressor

system.

• WARNING: SERIOUS INJURY OR DEATH COULD OCCUR FROM INHALING COMPRESSED AIR. NEVER INHALE AIR FROM THE AIR

COMPRESSOR EITHER DIRECTLY OR FROM A BREATHING DEVICE CONNECTED TO THE AIR COMPRESSOR. THE AIR STREAM MAY

CONTAIN CARBON MONOXIDE, TOXIC VAPOURS OR SOLD PARTICLES. DO NOT SPRAY FLAMMABLE MATERIALS IN VICINITY OF

OPEN FLAME OR NEAR IGNITION SOURCES INCLUDING THE COMPRESSOR UNIT.

Spraying Precautions

• W

ARNING: RISK OF FIRE AND EXPLOSION. WHEN A COMBUSTIBLE LIQUID IS SPRAYED THERE CAN BE DANGER OF FIRE OR

EXPLOSION, ESPECIALLY IN A CLOSED AREA. KEEP THE COMPRESSOR/MOTOR AT LEAST 6 METERS (18 FEET) AWAY FROM

EXPLOSIVE VAPOURS.

• DO NOT spray flammable materials in vicinity of open flame or near ignition sources including the compressor unit. Keep away from heat, sparks,

and flame.

• DO NOT smoke. Extinguish all flames and pilot lights and turn off stoves, heaters, electric motors, and other sources of ignition during use and

until all vapours are gone.

• Prevent build-up of vapours by opening all windows and doors to achieve cross-ventilation. Use only with adequate ventilation.

• Do not breathe dust, vapours, or spray mist. Ensure fresh air entry during application and drying. If you experience eye watering, headache, or

dizziness, wear respiratory protection (NIOSH approved or equivalent) or leave the area.

• Follow OSHA and CSA safety regulations for personal protective equipment. Typical equipment may include safety glasses, respirator, and/or

work gloves and is dependent upon the application type, amount of use and workspace.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 5

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 protective 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, maintenance

etc.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 6

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"

manoeuvres 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,

maintenance 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.

Flash / Blinding Hazard

Wear appropriate eye protection

for welding. Direct exposure to

weld arcs may cause permanent

eye injury.

Laser Hazard

Laser may be in use – do NOT

look directly at laser or allow

others to.

Choking Hazard

Children under 8 yrs. Can choke

or suffocate on small parts. Adult

supervision required.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 7

Table of Contents

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

Safety Symbols ........................................................................................................................................................... 5

Getting To Know Your Compressor ............................................................................................................ 8

Set-Up .......................................................................................................................................................... 10

Unpacking ................................................................................................................................................................. 10

Installation ................................................................................................................................................................. 10

Operation ..................................................................................................................................................... 11

Before First Start-Up ................................................................................................................................................. 11

Break-In Procedure ............................................................................................................................................ 11

Operating Procedure .......................................................................................................................................... 11

Maintenance ................................................................................................................................................ 12

ASME Safety Valve .................................................................................................................................................. 12

Drain Tank ................................................................................................................................................................ 12

Cleaning .................................................................................................................................................................... 13

Air Filter .................................................................................................................................................................... 13

Lubrication ................................................................................................................................................................ 13

End of Operation/Storage ......................................................................................................................................... 13

Troubleshooting ......................................................................................................................................... 14

Specifications ............................................................................................................................................. 16

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 8

Getting To Know Your Compressor

•

PSI (Pounds per Square Inch): Measurement of the pressure exerted by the force of the air. The actual psi

output is measured by a pressure gauge on the compressor.

•

SCFM (Standard Cubic Feet per Minute): Sometimes called CFM (Cubic Feet per Minute). Measurement

of air volume delivered by the compressor.

•

Air Delivery: A combination of psi and SCFM. The air delivery required by a tool is stated as (number)

SCFM at (number) psi. The combination of these figures determines what size unit is needed.

•

Air Tank Capacity: The volume of air stored in the tank and available for immediate use. A large tank allows

the intermittent use of an air tool with an air requirement higher than the compressor’s rated delivery.

•

Amps or Amperage: A measure of the electrical force minus the resistance on an electrical line. This air

compressor requires 15 amps for operation. Be sure the compressor will operate on an electrical line with

the proper amps. If other appliances operate on the same line, they will reduce the available amps. If the

amperage is not adequate, the result will be blown fuses or tripped circuits.

•

Volts or Voltage: A measurement of the force of an electrical current.

•

Cut-in / Cut-off Pressure: Specific psi at which a compressor starts and stops while refilling the air tank.

•

Pressure Switch: Auto On/Off Switch - In the “Auto On” position, the compressor shuts off automatically

when tank pressure reaches the maximum preset pressure. After air is used from the tank and drops to a

preset low level, the pressure switch automatically turns the motor back on. In the “Off” position, the

Position may vary

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 9

compressor will not operate. This switch should be in the “Off” position when connecting or disconnecting the

power cord from the electrical outlet. (Figure 2)

When the pressure switch turns the motor off you will hear air leaking out of the pressure switch unloader

valve for a short time. This releases the air pressure from the discharge tube and allows the compressor to

restart easier.

•

Regulator: The regulator controls the amount of air pressure at the hose outlet. Turning regulator knob

clockwise (to the right) will increase air pressure at the outlet. Turning knob counterclockwise (to the left) will

lower air pressure to the outlet. Turning knob fully counterclockwise will shut off flow of air completely.

•

Handle: Designed to move the compressor.

•

ASME Safety Valve: This valve automatically releases air if the tank pressure exceeds the preset maximum.

•

Exhaust Tube: This tube carries compressed air from the pump to the check valve. This tube becomes very

hot during use. To avoid the risk of severe burns, never touch the exhaust tube.

•

Check Valve: One-way valve that allows air to enter the tank but prevents air in the tank from flowing back

into the compressor pump.

•

Air Outlet: A quick connect coupler designed to work in combination with a quick connect plug to quickly

and easily join the compressor to an air hose.

•

Pressure Gauges: These gauges will show air pressure in the compressor tank and at the compressor

outlet.

•

Outlet Pressure Gauge: Will show air pressure at the outlet in pounds per square inch (psi). Make sure this

gauge reads ZERO (by adjusting regulator knob fully counterclockwise) before changing air tools or

disconnecting air hose from outlet.

•

Tank Pressure Gauge: Will show air pressure in tank while the compressor is running, indicating

compressor is building pressure properly. This gauge will show maximum pressure of compressor when it

shuts off automatically at the pressure switch.

•

Drain Valve: This valve is located underneath the tank. Use this valve to drain moisture from the tank daily

to reduce the risk of corrosion.

CAUTION! Drain liquid from tank daily.

Reduce tank pressure below 10 psi, then drain moisture from tank daily to avoid tank corrosion. Drain

moisture from tank by opening the drain valve located underneath the tank.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 10

Set-Up

Unpacking

CAUTION! Do not lift or move the unit without appropriately rated equipment. Be sure the unit is

securely attached to the lifting device used. Do not lift unit by holding onto tubes or coolers. Do not use

unit to lift other attached equipment. After unpacking the unit, inspect carefully for any damage that may

have occurred during transit. Check for loose, missing, or damaged parts. Check to be sure all supplied

accessories are enclosed with the unit. In case of questions, damaged or missing parts, please visit

www.campbellhausfeld.com for customer assistance. assistance.

WARNING! Do not operate the unit if damaged during shipping, handling, or use. Damage may result in

bursting and cause injury or property damage.

Installation

1. Check and tighten all bolts, fittings, etc., before operating compressor.

2. Operate compressor in a ventilated area so that compressor may be properly cooled.

3. Compressor should be located where it can be directly plugged into an outlet. Do not use extension cords

with this unit.

4. To avoid loss of power and overheating, it is better to use additional air hose instead of extension cords to

reach work area.

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ACM-240s Oil Free Air Compressor

E&OE © Unimac 11

Operation

Before First Start-Up

Break-In Procedure

Complete this procedure before using compressor for the first time. Once completed, it is not necessary to

repeat.

1. Turn ON/OFF switch to OFF position.

2. Open the tank drain valve.

3. Plug in power cord.

4. Turn ON/OFF switch to ON position and run compressor for 30 minutes.

5. Turn ON/OFF switch to OFF position.

6. Unplug power cord.

7. Close drain valve.

The compressor is now ready for use.

Operating Procedure

1. Turn regulator knob fully counter clockwise (to the left) to close air flow.

2. Connect air hose to outlet of regulator.

3. Turn ON/OFF Switch to OFF position.

4. Plug in power cord.

5. Turn ON/OFF Switch to ON position and let compressor run until it reaches automatic shutoff pressure.

6. Attach tire chuck or tool to end of hose.

7. Adjust regulator to proper pressure for tool or tire. Operate tool per instructions.

As air is depleted from the tank by use of a tire chuck, tool, etc., the compressor will restart automatically at its

preset “cut-in” pressure. When a tool is being used continuously, the compressor will cycle on and off

automatically.

8. Turn switch to OFF position, unplug power cord and drain tank.

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ACM-240s Oil Free Air Compressor

Maintenance

ATTENTION: Surface corrosion will occur on metal surfaces over time and the rate of oxidation depends

on factors such as proximity to the ocean and humidity or condensation of water vapour on metal

surfaces. To mitigate this, WD40 can be used to remove surface corrosion then, when applied

periodically, it will prevent rust from forming.

WARNING: Disconnect power source then release all pressure from the system before attempting to

install, service, relocate or perform any maintenance. Service should be performed by an authorized

service representative.

The compressor should be checked often for any visible problems and the following maintenance procedures

should be performed each time the compressor is used.

ASME Safety Valve

WARNING: Wear safety glasses. Check the safety valve by performing the following steps:

1. Turn the air compressor on and allow the tank to fill.

The compressor will shut off when the pressure

reaches the preset maximum.

2. Turn the air compressor off.

3. Pull the ring on the safety valve to release the air for

several seconds. ALWAYS use your hand to deflect

fast-moving air past your face.

4. Release the ring. Air will stop escaping when the

ring is released at approximately 40 psi - 60 psi.

5. If air leaks after the ring has been released, or if the

valve is stuck and cannot be actuated but the ring,

remove the unit from service. DO NOT use the air compressor until the safety valve has been replaced. Use

of the air compressor in this condition could result in death or serious bodily injury.

WARNING: Safety valve must be replaced if it cannot be actuated, or it leaks air after ring is released.

Drain Tank

With compressor shut off and pressure released: Drain moisture from tanks by opening drain valve underneath

tanks (See Figure 5).

Position may vary

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ACM-240s Oil Free Air Compressor

Cleaning

Turn power OFF and clean dust and dirt from motor, tank, air lines and pump cooling fins.

IMPORTANT: Unit should be located as far from spraying area as hose will allow to prevent over-spray

from clogging air filter.

Air Filter

Check air filter to be sure it is clean. To service a filter, remove the filter housing cover. Remove filter and clean

foam or filter in hot, soapy water (Paper filters cannot be washed). Rinse and let dry. Replace air filters that

cannot be cleaned. Place filter back in the housing base. Replace cover.

Lubrication

This is an oilless type compressor requiring no lubrication.

End of Operation/Storage

1. Turn Auto ON/OFF switch to OFF position.

2. Unplug power cord from wall outlet and wrap around handle to prevent damage when not in use.

3. Wearing safety glasses drain tank of air by pulling the ring on the safety valve. Use other hand to deflect fast

moving air from being directed toward your face.

4. Drain tank of condensation by opening drain valve on bottom of tank. Tank pressure should be below 10 psi

when draining tank.

5. Air hose should be disconnected from compressor and open end hanging down to drain condensation.

6. Compressor and hose should be stored in a cool, dry place.

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ACM-240s Oil Free Air Compressor

Troubleshooting

SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTIONS

Compressor will not run

1. Unit is plugged into extension cord

2. No electrical power

3. Blown fuse

4. Breaker open

5. Thermal overload open

6. Pressure switch defective

7. Shorted or open motor winding

1. Remove extension cord or use

larger gauge extension cord

2. Turn on pressure switch? Plugged

in? Check fuse/breaker or motor

overload

3. Replace blown fuse

4. Reset, determining why problem

happened

5. Unplug and allow motor to cool

before trying to restart

6. Replace

7. Replace motor

Motor hums but cannot run or

runs slowly

1. Low voltage

2. Unit is plugged into extension cord

3. Shorted or open motor winding

4. Defective check valve or unloader

1. Check with voltmeter

2. Remove extension cord or use

larger gauge extension cord

3. Replace motor

4. Replace or repair

Fuses blow/circuit breaker trips

repeatedly

1. Incorrect size fuse, circuit

overloaded

2. Unit is plugged into extension cord

3. Defective check valve or unloader

1. Check for proper fuse, use time-

delay fuse. Disconnect other

electrical appliances from circuit

or operate compressor on its own

branch circuit

2. Remove extension cord or use

larger gauge extension cord

3. Replace or repair

Thermal overload protector cuts

out repeatedly

1. Low voltage

2. Clogged air filter

3. Lack of proper ventilation / room

temperature too high

4. Unit is plugged into extension cord

1. Check with voltmeter

2. Clean filter (see Maintenance

section)

3. Move compressor to well

ventilated area

4. Remove extension cord or use

larger gauge extension cord

Air tank pressure drops when

compressor shuts off

1. Loose connections (fittings,

tubing, etc.)

2. Loose drain valve

3. Check valve leaking

4. Check tank for cracks or pin holes

1. Check all connections with soap

and water solution and tighten

2. Tighten

3. Disassemble check valve

assembly, clean or replace

DANGER! Do not disassemble

check valve with air in tank;

bleed tank first.

4. Replace tank. Never repair a

damaged tank.

Excessive moisture in discharge

air

1. Excessive water in air tank

2. High humidity

1. Drain tank

2. Move to area of less humidity; use

air line filter

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ACM-240s Oil Free Air Compressor

SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTIONS

Compressor runs continuously

1. Defective pressure switch

2. Excessive air usage

3. Air leaks

1. Replace switch

2. Decrease air usage; compressor

not large enough for a

requirement

3. Check all connections with soap

and water

Compressor vibrates

Loose mounting bolts Tighten

Air output lower than normal

1. Broken inlet valves

2. Intake filter dirty

3. Connections leaking

1. Have authorized service

representative repair unit

2. Clean or replace intake filter

3. Tighten connections

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ACM-240s Oil Free Air Compressor

Specifications

Free Air Delivery 110L/Min (3.9CFM)

Receiver Capacity 24L

Working Pressure 116PSI

Restart Pressure 86PSI

Starting Method Automatic Pressure Control Switch

Power Rating 1.1kW

Motor Input 230-240V 50Hz

IP Rating IP20

Input voltage 240V

Power Plug 10A Australian Standard

Note: Minimal Assembly Required

Note: Prior to installing and operating this air compressor, it is the buyers responsibility to check and adjust

valves/fittings to prevent air leaks.

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Some experts believe that the incorrect or prolonged use of almost any

product may cause serious injury or death. To help reduce your risk of

serious injury or death, refer to the information below. For more information,

see www.datastreamserver.com/safety



Consult all documentation, packaging,

and product labelling before use. Note

that some products feature

documentation available online. It is

recommended to print and retain the

documentation.



Before each use, check the product for

loose/broken/damaged/missing parts,

wear, or leaks (if applicable). Never use a

product with

loose/broken/damaged/missing parts,

wear, or leaks.



Products must be inspected and serviced

(if applicable) by a qualified technician

every 6 months. This is based on

average residential use by persons of

average size and strength, and on a

property of average metropolitan size.

Use beyond these recommendations may

require more frequent

inspections/servicing.



Ensure that all users of the product have

completed a suitable industry recognised

training course before being allowed

access to the product.



The product has been supplied by a general merchandise

retailer that may not be familiar with your specific

application or description of application. Be sure to attain

third-party approval from a qualified specialist for your

application before use, regardless of any assurances from

the retailer or its representatives.



This product is not intended for use where fail-safe

operation is required. As with any product (for example,

automobile, computer, toaster), there is the possibility of

technical issues that may require the repair or

replacement of parts, or the product itself. If the possibility

of such failure and the associated time it may take to

rectify could in any way inconvenience the user, business,

or employee, or financially affect the user, business, or

employee, then the product is not suitable for your

requirements. This product is not intended for use where

incorrect operation or a failure of any kind, including but

not limited to, a condition requiring product return,

replacement, parts replacement, or service by a

technician may cause financial loss, loss of employee

time or an inconvenience requiring compensation.



If this product has been purchased in error when

considering the information presented here, contact the

retailer directly for details of their returns policy, if

required.

diagrams, or images may be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying, scanning, or recording, or any information storage and retrieval system,

without express permission or consent from the publisher.

UNIMAC TOLACMUM2C4FA 24L Portable Silent Oil-Free Electric Air Compressor

Product's Documents

Product manual

Specifications

UNIMAC TOLACMUM2C4FA Questions and Answers