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Makita MAC2400 won't start

It would seem that I have an electrical issue with the compressor. Any suggestions?

Posted by Anonymous on

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Posted on Jan 02, 2017

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Dirt Dobber
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SOURCE: My Makita MAC2400 runs for a long time before it

Probably has a piston sealing issue.(piston sleeve and ringseal aren't sealing as they should) Check owners manual exploded parts listing to get either the piston kit or appropriate parts for the repair.

Posted on Aug 13, 2010

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  • 24 Answers

SOURCE: Makita MAC2400 2.5 hp compressor

Replace the regulator, you can get a new one from the home depot or just about any good hardware store.

Posted on May 05, 2011

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1 Answer

Where can I buy a Makita Mac2400 air compressor regulator


Makita parts are available at WWW.toolpartsdirect.com A small universal regulator may also work if the fittings match-up. When using a universal regulator make sure that the regulator fits thru the hole in the panel or just adjust the hole size. Universal regulator costs about 20 dollars. Good luck

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I have a Makita MAC2400, it stopped working, didn't realize where the reset button was, took apart the on off switch thinking there may be a fuse, the spring made it all fall apart as soon as I took the...


The pressure switch is assembled by automation and is basically impossible to put back together by hand. Even if you did manage to get it back together, the adjustment if critical. Easier to replace with generic pressure switch. Order from ebay for about $15. Just pay attention to port size and cut-out pressure. Select a switch that has on/off ,several ports on bottom and cut-out from 125 -135 psi. Factory switch is too expensive and really not any better. Good luck

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The regulator is leaking air and will not support the air tool I am using


They do not show the regulator as serviceable. It looks like you have to buy a complete new regulator. It is part #410028-E. You can find it on this link reference #42.

http://www.toolpartsdirect.com/cgi-bin/schematic.cgi/makita/MAC2400

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Makita MAC2400 2.5 hp compressor has started leaking from the regulator. Is there a repair for this? Thanks


Replace the regulator, you can get a new one from the home depot or just about any good hardware store.

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1 Answer

My Makita MAC2400 runs for a long time before it buuilds up pressure.


Probably has a piston sealing issue.(piston sleeve and ringseal aren't sealing as they should) Check owners manual exploded parts listing to get either the piston kit or appropriate parts for the repair.

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My Makita MAC2400 air compressor keeps blowing the circuit breaker. The circuit breaker to the compressor not the one for the house. It will only run for about 15-20 seconds before the breaker pops. I have...


Your compressor should fill within 5 min or so. Here are a few things to check. As compressor is running check all air connections/fittings with soapy water (including regulator, drain fittings and quick connects). Repair as needed. If no leaks, unplug compressor and listen for air leaking from check valve at tank (remove 1/4 airline at checkvalve, brass valve at tank). Replace checkvalve as needed. If no leak at checkvalve, problem most likely valve plate in head of pump. The valve plate has two reed valves that sometimes break. Bad reed valves will cause compressor head to become very hot and discharge air will be hot. Replace as needed. Parts are available at www.toolpartsdirect.com. Good luck.

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Brand new Makita MAC2400 is leaking oil.


Send it back Right now do not keep iT NO IT SHOULD NOT BE LEAKING LIKE THAT Paul

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