Question about Comet BXD2527 Pressure Washer Pump

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I have a MTPAXR 8/120 PUMP THAT IS seized and I

I have a Comet MTPAXR 8/120 PUMP THAT IS seized and I want to remove the pump from the motor I loosened the 4 star screws on the motor drive end but the endshield between motor and pump do not come off Is there a special method or can you help Tanks Gert Aggenbach

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The best tool for this job is a gearpuller -- there are many types -- get one which matches your problem.

Posted on May 08, 2009

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Posted on Jan 02, 2017

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Y a t'il un niveau d'huile dans la comet bxd 2525

L'utiliser cette pompe sans huile est une erreur fatale:

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My spa will hum when turned on but will not push water. The motor then turns off.

The pump seized up or the motor bearings went bad and seized up...

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On our electric pressure washer. Nolonger works. Disconnected the pump from motor. Motor spins freely. My guess is pump is bad?mike

Good guess. You can find parts at:
They handle comet pumps. See if you can find the number on the pump. Not a bad brand of pump,but they do wear out. Never run pump dry, never let idle more than a couple of minutes, the water recirculates in pump and gets hot. Install a temp relief vavle when you rebuild.

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HI your machine would have been delivered with a blanking plug in the pump. You will need to remove this and fit a vented pump or your pump will build up too much pressure inside.

Apr 13, 2010 | Comet BXD2527 Pressure Washer Pump

1 Answer

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1 Answer

Committed Cardinal Sin No. 1, ran p/w w/o water. Ran for about 20 sec. and quit. Now pull start is seized. I could understand how the pump might be damaged, but why the motor?

It's not damaged...just hydraulically "locked" guess is the recirc valve is shot or worn enough to put is where it won't release. Just carefully start taking stuff off the pressure head...till the pressure bleeds off
Good Luck

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aftermarket oil will be fine just use same grade of oil,all manufacturers want that extra kick,

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