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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel
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  #11  
Old 06-14-2012
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Re: Siezed perkins

Pull injectors ,pour in some diesel or better liquid. Pipe wrench on crank ,not teeth of ring. ....Back and forth. back and forth, back and forth. Patience... back and forth. Later you can decide if you have to pull the head or re ring Lots of nasty stuff is possible but get her turning first.
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  #12  
Old 06-15-2012
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Re: Siezed perkins

Quote:
Originally Posted by bljones View Post
No.
Quick way to bust flywheel teeth, and/or the bellhousing compared to the relativley mid torque applied at the crank which should already be able to deal with crank starting.
Only if you are a flaming retard, in which case you shouldn't be touching an engine in the first place. Although the crank can take the turning force the bolt the pipe wrench is being put on may not be able to, especially if the engine is seized.
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Old 10-14-2012
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Re: Siezed perkins

Thx again everyone for your input.
Well I was able to pull the injectors with little trouble, and filled all 4 cylinders with diesel, and let it sit for a couple weeks ...still no movement with starter or pipe wrench.
Removed the starter to eliminate the possibility of it binding, but still dosen't budge.
I am assuming next step would be to pull the head, unless someone knows of any other less painful steps I could take?
Winter's almost here, and I really hate the idea of waiting until spring before knowing what my options are.
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  #14  
Old 10-14-2012
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Re: Siezed perkins

Quote:
Originally Posted by wph36 View Post
Thx again everyone for your input.
Well I was able to pull the injectors with little trouble, and filled all 4 cylinders with diesel, and let it sit for a couple weeks ...still no movement with starter or pipe wrench.
Removed the starter to eliminate the possibility of it binding, but still dosen't budge.
I am assuming next step would be to pull the head, unless someone knows of any other less painful steps I could take?
Winter's almost here, and I really hate the idea of waiting until spring before knowing what my options are.
If it's seized that tight it needs rebuilding anyway - even if you somehow managed to get it broken loose, imagine the state of the rings & bearings.

Yank it and if you don't know how, pay someone who does to babysit you while you rebuild it over the winter. That will be WAY cheaper than replacing it with new, you'll know every inch of it and a fresh old Perkins will probably outlive your children if properly maintained.
Faster and Classic30 like this.
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