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Any ideas to why my Makita MAC700 Air Compressor won't start

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Not really but they do have pressure switches that stick and or fail

Posted on Dec 16, 2016


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Makita MAC700 pressure switch won't power on?

Pressure switches do not have reset buttons built in. The reset button is usually attached to the frame or cover and marked with amp rating. The pressure switch only responds to pressure in the tank. There is however a switch incorporated in the cover or on one side of the switch. Usually a red button that you pull, red or black switch/knob/lever to turn on top or side. If on/off switch broke off in the off postion, the compressor will act as yours does. Try to find a picture of your switch on ebay using the brand name or shape /look and determine where the switch should be positioned. If the switch is broken or fallen off /lost, replace the pressure switch with generic. Usually about $18. Pay attention to port size, number of ports and pressure cut-out. Good luck

Jun 10, 2012 | Makita MAC700 2.0 HP Air Compressor

1 Answer

My MAC 700 laboured to kick in to build pressure, and then finally quit. It won't turn on with the switch in the

All compressors dump a little air when they shut off, it's the air in the pump head and discharge tube. This bleed off should only last two to three seconds. If this pressure isn't bled off the motor won't be able to restart when the pressure drops in the tank becuase there will be too much pressure in the pump head for it to start turning again. If you have a longer bleed off or if the motor is struggling to restart most likely you have a stuck or broke check valve. It's the piece where the discharge tube connects to the tank. It's designed to let air into the tank but not back out so the pressure valve can bleed off the air in the pump. On rare occasions you can remove it and clean it out but usually they have to be replaced. You would need Makita Part Number 409004-E.

Feb 29, 2012 | Makita MAC700 2 HP Air Compressor "The Hot...

1 Answer

My Makita air compressor will not adjust to a lower pressure. I am putting cedar shakes on the house and I dont want the nails to push so hard in the shakes. When I adjust the nob in the minus (-)...

It sounds to me like your regulator is shot. It is the knob you have been turning in the (-) direction. The gauge reading 120 is the regulated pressure and the gauge reading 130 should be the tank pressure. You can find a new regulator from any Ace Hardware store.

Aug 03, 2011 | Makita MAC700 2 HP Air Compressor "The Hot...

1 Answer

What kind of oil do use for it.

There is special oil available for compressors. It should be available at all better hardware outlets. On small domestic type compressors with aluminuim cylinders it is not advisable to use automotive oil.

May 27, 2011 | Makita MAC700 2 HP Air Compressor (Hot...

1 Answer

My makita makair mac500 was running fine. then it just quit. i have emptied the tank to 0. It will not start. is it dead for good? thanks

The motor has a manual reset thermal overload protector switch. If the motor overheats for any reason, the overload protector will shut off the motor. The motor must be allowed to cool down before resetting the overload switch and restarting. It is located on the motor housing on the side opposite where the pump and hose connections are. The reason this switch shuts off is because of low voltage problems caused by either a too low amp rating on the circuit it's plugged into or by using an extension cord. It is always safer and better for the motor to run longer air hoses than to use extension cords.

Nov 18, 2010 | Makita MAC700 2 HP Air Compressor (Hot...

1 Answer

Takes a long time to fully charge

Not normal. You possibly have bad rings on your piston, or some wear on the cylinder walls. The best solution is generally to have a competent shop do a rebuild and reseal on the unit... it will cost a little bit, but the guarantee on their work can save you some cash if it starts acting up again.

Apr 02, 2010 | Makita MAC700 2 HP Air Compressor "The Hot...

1 Answer

Locks up on restart untill the pressure. is down around 50 lbs.and kicks out the breaker

The pressure bleed valve is not working when the compressor shuts off. It is supposed to drain pressure from the compressor air line to the check valve and pressure regulator switch so that the compressor restarts with low pressure in the output line.

Aug 15, 2009 | Makita MAC700 2 HP Air Compressor "The Hot...

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