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D2900 head advice
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CAL(KS) View Drop Down
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3804 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Topic: D2900 head advice
    Posted: 23 Mar 2014 at 7:25pm
Is there any hope for a cylinder head with damage in the injector seat area where the copper washer goes?  Could it be machined down and had a small sleeve or spacer installed?

I should mention that it has already been surfaced and had all new valves and seats installed.  Cry  Id rather not explain whyDead


Edited by CAL(KS) - 23 Mar 2014 at 7:30pm
Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22149 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 23 Mar 2014 at 8:52pm
Has to be awfully bad to not seal with a new copper washer installed the correct way and bolts torqued up tight. There used to be a tool to dress those up if they got damaged, but I don't have one.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 23 Mar 2014 at 10:15pm
I have taken a endmill and turned it by hand to smooth it up.   MACK
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BradRisen View Drop Down
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Joined: 09 Feb 2012
Location: KY
Points: 265 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BradRisen Quote  Post ReplyReply Direct Link To This Post Posted: 23 Mar 2014 at 10:58pm
Dr.allis,would a " counterbore tool" like machine shops use, work to re- surface the area around the injector? I have a set in my shop that has a hole in the end of each counterbore ,with a set screw , I just turn out the size of the pilot needed to fit the hole on the work piece , in my turning lathe,insert it into the end of the counterbore, tighten the set screw ,and it is ready to use.
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Big Orange View Drop Down
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Joined: 11 Sep 2009
Points: 315 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Orange Quote  Post ReplyReply Direct Link To This Post Posted: 23 Mar 2014 at 11:30pm
Like Dr.Allis said copper is very forgiving, if you do machine it too much, the injector tip can hit the piston + you said head has been surfaced, so be careful.  GOOD LUCK
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