milwaukee M18 FAC Cordless Air Compressor User Manual

milwaukee M18 FAC Cordless Air Compressor


WARNING: Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.


  • Keep work area clean and well lit. Cluttered or dark areas invite accidents.
  • Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
  • Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.


  • Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
  • Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
  • Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
  • Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
  • When operating a power tool outdoors, use an extension cord suitable for outdoor. Use of a cord suitable for outdoor use reduces the risk of electric shock.
  • If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of a RCD reduces the risk of electric shock.


  • Stay alert, watch what you are doing and use common sense when operating a power Do not use a power tool while you are tired or under. A moment of inattention while operating power tools may result in serious personal injury.
  • Use personal protective Always wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hat or hearing protection used for appropriate conditions will reduce personal injuries.
  • Prevent unintentional Ensure the switch source and/or battery, picking up or carrying the tool.  the switch or energizing power tools that have the switch on invites accidents.
  • Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.
  • Do not Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
  • Dress properly. Do not wear loose clothing or Keep your hair and clothing away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts.
  • If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related
  • Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.


  • Do not force the power Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed.
  • Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
  • Disconnect the plug from the power source and/or remove the battery, if detachable, from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool
  • Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power Power tools are dangerous in the hands of untrained users.
  • Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts and any other condition that have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
  • Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
  • Use the power tool, accessories and tool bits in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool result in a hazardous situation.
  • Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.


  • When battery is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to Shorting the battery terminals together may cause burn or a fire.
  • Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.
  • Do not use a battery or tool that is damaged or Damaged or modified batteries may exhibit unpredictable behavior resulting in fire, explosion or risk of injury.
  • Do not expose a battery or tool to fire or excessive temperature. Exposure to fire or temperature above 130°C (265°F) may cause explosion.


  1. Tank
  2. Carry handle
  3. Drain valve
  4. Tank pressure gauge
  5. Release valve
  6. Regulator knob
  7. Quick-connect coupler
  8. Auto On/Off Switch
  9. Intake Filter


Releasing Tank Pressure
  1. Turn off the air compressor and remove the battery pack.
  2. Pull the ring on the release valve to release air until tank pressure gauge reads less than 20 psi.
  3. Release the ring.
Connecting an Air Hose (Hose Not Provided)
  1. Turn off the air compressor and remove the battery pack.
  2. Rotate pressure regulator knob fully in the counter- clockwise direction so that the outlet pressure is at zero (0) psi.
  3. Attach a properly rated air hose with quick connect air fitting to 1/4″ quick coupler on the air compressor. Push the hose adaptor onto the coupler until the sleeve springs forward to lock it in place.
  1. Connect the hose and accessories to the air compressor.
  2. Install the battery pack.
  3. To start the compressor, move the Auto On/Off switch to the AUTO ON (I) position.When in the AUTO ON (I) position, the air com- pressor will automatically turn back on when the designated tank air pressure drops below the preset pressure limit. It will also shut off again when the cut-off pressure is reached.
  4. To turn the air compressor off, move the Auto On/Off switch to the OFF (O) position. Release pressure from the tank before making adjustments, servicing, transporting, or storing.
Using the Air Compressor
  1. Run the daily check of the release valve (see “Checking the Release Valve”).
  2. Turn off the compressor and remove the battery pack.
  3. Attach a properly rated air hose to the air compres- sor (see “Connecting an Air Hose”).
  4. Use the correct fitting to connect the air tool or accessory to the hose.
  5. Install the battery pack.
  6. Set the air pressure using regulator Turn the knob clockwise to increase or counterclockwise to decrease the air pressure.
  7. Following all safety precautions in this manual and the manufacturer’s instructions in the air tool manual, begin using the air tool or accessory.


Keep your tool, battery and charger in good repair by adopting a regular maintenance program. Inspect your tool for issues such as undue noise, misalignment or binding of moving parts, breakage of parts, or any other condition that may affect the tool operation. Return the tool, battery, and charger to a MILWAUKEE® service facility for repair. After six months to one year, depending on use, return the tool, battery and charger to a MILWAUKEE® service facility for inspection.

If the tool does not start or operate at full power with a fully charged battery, clean the contacts on the battery. If the tool still does not work properly, return the tool, charger and battery, to a MILWAUKEE® service facility for repairs.


Clean dust and debris from vents. Keep handles clean, dry and free of oil or grease. Use only mild soap and a damp cloth to clean, since certain cleaning agents and solvents are harmful to plastics and other insulated parts. Some of these include gasoline, turpentine, lacquer thinner, paint thinner, chlorinated cleaning solvents, ammonia and household detergents containing ammonia. Never use flammable or combustible solvents around tools.


Always turn OFF the air compressor, remove the battery pack, release all pressure, disconnect air hose and air tools, allow unit to cool to the touch, and drain the tank before storing. Leave drain valve open to allow moisture to completely drain out and help prevent corrosion on the inside of tank.


For repairs, return the tool, battery and charger to the nearest authorized service centre.


Use only recommended accessories. Others may be hazardous.

For a complete listing of accessories, go online to or contact a distributor.


Please refer to Australian and New Zealand warranty supplied with tool. This warranty applies only to product sold in Australia and New Zealand.


MILWAUKEE® prides itself in producing a premium quality product that is Nothing But Heavy DutyTM. Your satisfaction with our products is very important to us! If you encounter any problems with the operation of this tool, please contact your authorised MILWAUKEE® dealer.

For a list of MILWAUKEE® dealers, guarantee or service agents please contact MILWAUKEE®Customer Service or visit our website.(Australia Toll Free Telephone Number 1300 645 928)(New Zealand Toll Free Telephone Number 0800 645 928)or visit

Milwaukee Electric Tool Corporation13135 West Lisbon Road, Brookfield, Wisconsin U.S.A. 53005

Milwaukee Tool (Australia)21 Kelletts Road, Rowville, VIC 3178Melbourne, Australia

Milwaukee Tool (New Zealand)274 Church Street, Penrose,Auckland, 1061, New Zealand


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