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| D-17 Rock Shaft Arms and Spark Plug Question | 
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| CORY   Bronze Level   Joined: 30 Nov 2009 Points: 154 |  Post Options  Thanks(0)  Quote  Reply  Topic: D-17 Rock Shaft Arms and Spark Plug Question Posted: 20 Feb 2011 at 6:10pm | 
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   Was there some kind of snap ring to hold the rock shaft arms in place on the D-17?  A tractor I purchased a year ago had them turned down one notch and it wouldn't lift the implement but about 2 inches off the ground.  Got them back up today to where they are supposed to be but there wasn't anything to hold them in.  Should there be?  Also does anyone know what is the best Autolite plug for the long reach heads on D-17's?  I have it written down somewhere but cant find it.
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| DSeries4   Orange Level     Joined: 12 Sep 2009 Location: Ontario, Canada Points: 7533 |  Post Options  Thanks(0)  Quote  Reply  Posted: 20 Feb 2011 at 10:05pm | 
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   Autolite 295s are the plug you want, and yes a snap ring is used to hold the lift arm in place.
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     '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185,  '77 175, '84 8030, '85 6080
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| Brian G.  NY   Orange Level     Joined: 12 Sep 2009 Location: 12194 Points: 2269 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 9:58am | 
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   There should be a snap ring on both sides of each lift arm; total of four.
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| mlpankey   Orange Level   Joined: 13 Sep 2009 Location: Vols country Points: 4580 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 10:36am | 
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   I think the last 295 autoliltes I bought were 3/8 reach. I like ngk b4 es   they are 3/4 reach. Edited by mlpankey - 21 Feb 2011 at 12:27pm | |
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| Clay   Orange Level     Joined: 11 Sep 2009 Location: Udall, Kansas Points: 10000 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 1:21pm | 
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   check ebay. Sometimes you can find some new old stock AC 45XL spark plugs. 
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| HagerAC   Orange Level     Joined: 14 Sep 2010 Location: SE MN Points: 1195 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 4:39pm | 
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   I like the autolite 303 plugs, they last forever, not sure on the reach on them.
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     30+ A-Cs ranging from a 1928 20-35, to a 1984 8070FWA, Gleaner R52 
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| Creek Jenkins   Orange Level     Joined: 14 Sep 2009 Location: Northern Minn Points: 812 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 4:49pm | 
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   I get cornfused - when did the D17 switch from short to the long plugs or was it vice versa.  Everytime I try to finger out which one I have I get a headache.........I have a '58 or '59 series I, so I think it should have the short plugs, right? 
cheers,
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| D17 owner   Orange Level   Joined: 03 Jul 2010 Location: ladysmith Wi Points: 225 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 6:45pm | 
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   I just had my lift arm off last week I had no snap rings there was just a roll pin inside.  I dont know about the snap rings. Is this only on newer 17's ?  Mine is a 61.
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| mlpankey   Orange Level   Joined: 13 Sep 2009 Location: Vols country Points: 4580 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 7:07pm | 
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   I run long reach in both of these heads the 3 inch to 4inch heads . 
   Edited by mlpankey - 21 Feb 2011 at 7:10pm | |
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| D17 owner   Orange Level   Joined: 03 Jul 2010 Location: ladysmith Wi Points: 225 |  Post Options  Thanks(0)  Quote  Reply  Posted: 21 Feb 2011 at 7:11pm | 
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   Never mind my last post I just thought of what he was talking about. Just the arms themself. I was thinking of the shaft that the arm slids on to. Eric
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