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Old 11-10-2013, 14:12   #1
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Installing injector nozzles

Have two new injector nozzles for my yanmar 2qm15. In the service manual it talks about treating them with "seal peel" ..... What is that !?!? And is it necessary?
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Old 29-10-2013, 07:14   #2
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Re: Installing injector nozzles

I don't know what "seal peel" is. I have serviced my injectors on my 3GM20 twice now, about ten years apart. I just made sure that the port was clean, and the injector and port were lightly oiled on installation. There were no problems with removal on the last service. It did make a significant difference in starting and running.
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Old 29-10-2013, 07:54   #3
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Re: Installing injector nozzles

In all the threads on injector replacement (and everything else) this is the first time I have seen the words "seal peel". A light coat of anti seize, carefully applied on the mating surfaces I can believe, but why would one use a removable caulk. What is the temp rating of "seal peel".
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Old 29-10-2013, 11:12   #4
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Originally Posted by DeepFrz View Post
In all the threads on injector replacement (and everything else) this is the first time I have seen the words "seal peel". A light coat of anti seize, carefully applied on the mating surfaces I can believe, but why would one use a removable caulk. What is the temp rating of "seal peel".
It makes no sense to me!. That is the wording in the yanmar service manual I have. I am probably going to just oil them. I'm in no rush to install now that she is on the hard.
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Old 29-10-2013, 18:53   #5
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Re: Installing injector nozzles

deepfrz is right about the antiseize but there is no need to do it if you just immerse them from the beggining to diesel and proceed with the check for the nozzle that dros smoothly by itself you are ok
if doesn;t drop don't force it ,gently take out the nozzle clean and blow with air the body of the nozzle immerse again and gently move up and down and turn as lapping , few times and check again for smooth drop
always move the nozzle while it has lubricant(diesel)
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