Removing injectors from mep003a generators

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Trying to remove injectors from my mep003a generators. Having trouble loosening B-nuts on return fuel lines to the injectors. B-nuts are rusted and cannot be loosened. Tried heat but I'm just rounding off the flats on the tube B-nuts. No room to use vice grip pliers. Any suggestions out there. Also using Croil penetrating oil. Thanks, JR

 

[antennaclimber]

Moved to proper forum.

 

[jamawieb]

Heat, Heat and more heat. Then use a small pair of vice grips. Sometimes I let them sit for a couple of days with penetrating oil on them. Spray all around the aluminum finned adapter too because after the injector is out you'll need to get it out of the finned adapter

 

[Buttweet]

Removing injectors from mep003a

Heat, Heat and more heat. Then use a small pair of vice grips. Sometimes I let them sit for a couple of days with penetrating oil on them. Spray all around the aluminum finned adapter too because after the injector is out you'll need to get it out of the finned adapter

Thanks Jamawieb, you are always bailing me out. I finally got two of them out with lots of heat and I made a tube wrench from a 11 mm box wrench by cutting out a section of the box end to fit around the tube. Worked fair but still slipped. The other two are soaking in Croil oil overnight. Will try again tomorrow. Thanks again, JR

 

[cuad4u]

A couple of "raps" with a small hammer may help the Kroil to get into the threads. Don't over do this and bend something. Heat and more heat and more Kroil and more raps and finally a flare nut wrench on the nut and patience and more patience. That always worked for me.

 

[Buttweet]

A couple of "raps" with a small hammer may help the Kroil to get into the threads. Don't over do this and bend something. Heat and more heat and more Kroil and more raps and finally a flare nut wrench on the nut and patience and more patience. That always worked for me.

Thanks, haven't thought about rapping. Good idea.

 

[Buickrat]

Kroil=ok, PB blaster=much better. Buy a set of 'hurricane" sockets and pound the right size one on. Heat is your friend.

 

[Buttweet]

Kroil=ok, PB blaster=much better. Buy a set of 'hurricane" sockets and pound the right size one on. Heat is your friend.

I'm not familiar with hurricane sockets, but will check it out. Thanks