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WaltDevore 
Bronze Level
Joined: 03 Jan 2020
Location: IdahoSprings CO
Points: 143
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 Topic: oil control rings into cylinder liner
Posted: 06 Aug 2020 at 7:48pm |
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I've been trying all day, more precise than ever in my life, yet cannot get them into cylinder liner. Using standard piston ring compressor. Is there a trick? This costing me days of futility. Thanks for any ideas. On 271 engine, GM Diesel, two cylinder, 1951
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DiyDave
Orange Level Access
Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 51674
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Posted: 06 Aug 2020 at 8:16pm |
Try a ring set, alone, sans piston. You may have the wrong ones, or they might need fitting... 
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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Acdiesel
Orange Level
Joined: 15 Jun 2012
Location: Rochester Ohio
Points: 2546
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Posted: 06 Aug 2020 at 9:17pm |
 DiyDave wrote:
Try a ring set, alone, sans piston. You may have the wrong ones, or they might need fitting... |
you maybe saying the same thing, but remove the rings from the piston and see how they fit in the cylinder. there should be some gap in the ring ends when installed in the cylinder bore.
Dan
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D19 diesel,D17 diesel SER.3 D14 NF,D14 WF, D15 SER.II wf
D15 SER.2 DIESEL,D15 ser.II nf
D12 SER.I, D10 Ser.II
2-720'S
Gmc,caterpillar
I'm a pharmacist (farm assist) with a PHD (post hole digger)
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WaltDevore
Bronze Level
Joined: 03 Jan 2020
Location: IdahoSprings CO
Points: 143
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Posted: 06 Aug 2020 at 10:31pm |
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I finally figured out which control ring was the chrome. They all looked the same. The diagram in the package showed slotted and non slotted, I think I've figured that out although they seem very close to the same. Had no idea this was literal rocket science. The kit also has main bearings that I don't think I could install or need, but now I see it may be possible with the engine still in the tractor. It's starting to osmose to me these four halves of "thrust" bearings. I have no idea how difficult they may be. This whole process has been a scary gamble. Will the end ever come?
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 31067
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Posted: 07 Aug 2020 at 12:00pm |
Are you loading this from the BOTTOM of the Liner? The bottom lip is relieved for ring entry, the Top is NOT. Pistons/Rods and Sleeves are assembled to these engines as a Unit not individually. I used to own sleeve loading units as this, made life simpler for a mechanic.
Edited by DMiller - 07 Aug 2020 at 12:03pm
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8239
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Posted: 07 Aug 2020 at 12:41pm |
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Very easy to break oil ring using regular compressor even though going in the tapered bottom
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WaltDevore
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Joined: 03 Jan 2020
Location: IdahoSprings CO
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Posted: 07 Aug 2020 at 1:27pm |
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Yes, I already have broken some and got new ones. When you say regular compressor, it seems I need an irregular one. What might that be?
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
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Posted: 07 Aug 2020 at 6:30pm |
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Need to make absolutely certain a wrap type compressor is square and not barber polled when install piston, has to be in full contact with sleeve until rings are in the bore.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
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Posted: 08 Aug 2020 at 9:10pm |
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The compressor you need is in that video link. Find a truck shop that still has one and take your stuff there and pay them to load your liners
Edited by SteveM C/IL - 08 Aug 2020 at 9:12pm
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8239
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Posted: 20 Aug 2020 at 10:58pm |
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Did you ever get this whipped?
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