Removing the precombustion chamber on a D311 genset

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djcat

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I would like some input into the tooling used to remove a precom chamber from a D311 genset ser#4V7141. It appears to
have an external spline on the outer retaining nut which holds the injector into the chamber. Can't find any reference to tooling
used to remove the injector with this setup.

Any input would be greatly appreciated. Attached is a pic of the setup.

Cheers djcat
Attachment

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Thu, Jan 9, 2014 4:41 PM

bruce oz

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http://www.acmoc.org/bb/showthread.php?7190-D2-3J-Precombustion-Chamber-Removal/page3

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Thu, Jan 9, 2014 5:37 PM

Old Magnet

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Reply to bruce oz:

http://www.acmoc.org/bb/showthread.php?7190-D2-3J-Precombustion-Chamber-Removal/page3

Takes a 1H5656 glow plug wrench (or a deep socket will work) to get the glow plug out of the way.
Then a 2H7479 or 8S2243 splined socket to remove the retainer.
Then a 5F8353 splined wrench to remove the chamber.

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Fri, Jan 10, 2014 12:24 AM

djcat

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Reply to Old Magnet:

Takes a 1H5656 glow plug wrench (or a deep socket will work) to get the glow plug out of the way.
Then a 2H7479 or 8S2243 splined socket to remove the retainer.
Then a 5F8353 splined wrench to remove the chamber.

Thanks men for the reply's.

OM the wrench you put up looks like the culprit. ( 8S8353 )

Thanks again....

Cheers djcat

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Fri, Jan 10, 2014 3:37 AM

Old Magnet

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Reply to djcat:

Thanks men for the reply's.

OM the wrench you put up looks like the culprit. ( 8S8353 )

Thanks again....

Cheers djcat

8S8353?????
Should be 5F8353

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Fri, Jan 10, 2014 6:34 AM

djcat

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Reply to Old Magnet:

8S8353?????
Should be 5F8353

Yes OM, my mistake. Should have been 8S2243. I have only used this wrench for fuel pumps. I never realised it was also used
for precom retainer nuts.

Cheers djcat

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Fri, Jan 10, 2014 6:56 AM

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