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Cam end play stop bolt WD45
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M C/IL Quote  Post ReplyReply Direct Link To This Post Topic: Cam end play stop bolt WD45
    Posted: 01 Aug 2010 at 12:18am
What did they do different when they stopped putting the orifice in the cam plug on WD45's ? Mine originally had the orificed plug against the steel stop bolt.AGCO parts book says they ceased the orificed plug at serial number "such and such".The 175 cam has just a solid steel plug.As you can imagine,steel on steel with no lubrication isn't good.Some galling for sure. The odd part to me is that the 3/8NPT hole in the end of the cam is not on center and is at a slight angle!Must have been a Friday cam.Because of the cockeyed hole I can't really put the plug from the original cam in and have a flat on flat surface arrangement.I wouldn't think there'd be enough splash oiling at that location to run steel on steel.Not sure how to "fix" this situation.What did the factory do? It has been in there for around 30 yrs so maybe ignorance IS bliss!LOL! At the least a cast iron plug would be better than steel.
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
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A few lookers but no takers.
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Don(MO) View Drop Down
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Joined: 12 Sep 2009
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Points: 6862 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Don(MO) Quote  Post ReplyReply Direct Link To This Post Posted: 01 Aug 2010 at 9:33pm
Originally posted by Steve M C/IL Steve M C/IL wrote:

What did they do different when they stopped putting the orifice in the cam plug on WD45's ? Mine originally had the orificed plug against the steel stop bolt.AGCO parts book says they ceased the orificed plug at serial number "such and such".The 175 cam has just a solid steel plug.As you can imagine,steel on steel with no lubrication isn't good.Some galling for sure. The odd part to me is that the 3/8NPT hole in the end of the cam is not on center and is at a slight angle!Must have been a Friday cam.Because of the cockeyed hole I can't really put the plug from the original cam in and have a flat on flat surface arrangement.I wouldn't think there'd be enough splash oiling at that location to run steel on steel.Not sure how to "fix" this situation.What did the factory do? It has been in there for around 30 yrs so maybe ignorance IS bliss!LOL! At the least a cast iron plug would be better than steel.
 
Steve, I'll take a shot at this one. Now if I'm reading my books right at engine Ser# 301543 Allis started the new steel plug and at that time they added the oil line to the governor compartment to oil the timing gears and changed the oil drilled plug out to a solid plug and changed to the setscrew for cam adjustment.
Now with all that being said You will need to make the sold plug smooth on the mating surfaces.
Don
3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
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Points: 691 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 02 Aug 2010 at 9:39am
Interesting  Don.My serial # is way after the one referenced in "AGCO parts book" for solid plug change.Mine has the oil line to gov hsg but it also had the orificed plug in cam when I changed it  waaaay back when.(still have old cam)Worst case scenerio I'm sure machine shop can chuck cam up to turn plug true(flat).Didn't know if it would be ok to put tiny orifice in plug or not.Original is bigger than 1/16.Maybe machine plug flat and add alittle bronze to end of adjusting screw?
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