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Post by MarlandS on Dec 14, 2011 15:51:54 GMT -5
Checked every online resource I have found and none of them show this type of timing set up for this engine .
No marks on the balancer .
Has a line with a "V" on the flywheel and a pin out of the block .
Has a pin on the injection pumps housing that lines up with a mark on the backside of the drive gear .
Here's what I did , rolled the engine around until the "V' mark on the flywheel lined up with the pin on the block . There are no other marks for advance or retard for atleast a 1/4 of a turn . Pulled the valve cover and checked that both push rods were loose on #1 . One was very loose and the other would just turn , rolled the crank about an 1/8th of a turn and it only got tighter not looser so I'm reasonably sure of TDC but maybe the valve is a little out of adjustment .
Got the pump inserted with the mark and pin lined up . Hooked all the lines back up , primed the system . started cranking the engine over , no "bad" noises , also no smoke, no fire .
One simple solution may be , as far as I can tell , is it's not rolling hard enough since I only have one battery hooked up with a charger on boost backing it .
The other is that I'm 180 out of time .
Any ideas ?
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Boo-yah
Hired Hand
seriously disturbing pic poster
Posts: 231
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Post by Boo-yah on Dec 14, 2011 18:23:18 GMT -5
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Post by MarlandS on Dec 14, 2011 18:33:24 GMT -5
Yeah that should help some . Just gotta figure out how to find the advance mark or if the line with the "V" is the advance mark .
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Post by tmshannon on Dec 14, 2011 21:01:34 GMT -5
Not sure what this engine is in, or what problems you are having, but I have ran into a 986 Tri-stripe with this same setup. The flywheel only had the "V" on it and the mark on the injection pump would line up with the pointer when everything was timed. If I remember correctly, I wasn't too concerned about retarding or advancing the timing, I was just going through the pump, so a basic R&R. Be sure to really, really look at the balancer/frt crank pulley. I haven't seen one yet that didn't have a scale on it, but I guess I can't remember if I really looked for one on that particular tractor. Not sure if I'm any help at all, but thought I'd throw in my 2 cents.
Travis
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Post by MarlandS on Dec 14, 2011 23:15:44 GMT -5
Travis , the engine is out of a 915 combine and is sitting on a trailer in my garage , I pulled the pump to get it worked on a little . And nope, I can't find anything on the balancer or the typical scale for advance like I see on my 1586. Every source I've come across has said 18 degrees advance so I'm going to assume that the advance is built in to the marks and that I'm 180 out of time .
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Post by tmshannon on Dec 15, 2011 9:49:13 GMT -5
If you have no smoke out of the pipe and it cranks over at a reasonable speed, you're 180 off. Only takes 5 minutes or less to get the pump 180 the other way....
Travis
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Post by kwestfarms on Dec 15, 2011 12:51:22 GMT -5
Marland.. just curious.. engine going into a tractor??? Or going to be used as stationary power??? John
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Post by 3020 on Dec 15, 2011 15:20:02 GMT -5
Marland, here's what you do. It is so simple a child could do it. Simply take the balancer off the 15 and put it on the engine you are trying to time. When you get it switch them back. You're welcome.
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Post by MarlandS on Dec 15, 2011 16:44:58 GMT -5
Marland.. just curious.. engine going into a tractor??? Or going to be used as stationary power??? John John, it'll be going on a trailer to power another vac .
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Post by MarlandS on Dec 15, 2011 16:45:58 GMT -5
Marland, here's what you do. It is so simple a child could do it. Simply take the balancer off the 15 and put it on the engine you are trying to time. When you get it switch them back. You're welcome. Why does the word R-tard come to mind ? LOL ;D
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Post by 3020 on Dec 15, 2011 19:52:47 GMT -5
Don't you mean R - turd? LOL
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Post by 3020 on Dec 15, 2011 19:55:34 GMT -5
Marland, take the little plate off the side. There are also timing marks there. If you line them up along with the one with the little pointer, remove the pump, don't roll the engine, it will be right when you put it back on.
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Post by tmshannon on Dec 15, 2011 20:01:50 GMT -5
If you're 180 off, you don't have to remove the pump....or am I reading that wrong?
Travis
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RickNCMD
Hired Hand
coon hunter
Posts: 195
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Post by RickNCMD on Dec 15, 2011 20:37:32 GMT -5
Dont remove the pump.. Time the pump to the little pointer behind the gear, there is a mark and white paint to highlite it. Line the mark up with the pointer when number 1 piston is set at the proper degrees btdc. Take the three bolts out of the pump gear and use the nut on the pump drive to turn the pump one revolution. Realign the pointer and mark, put the three bolts back in and you have just changed the pump timing by 180 degrees. ;D
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Post by tmshannon on Dec 15, 2011 20:40:30 GMT -5
Dont remove the pump.. Time the pump to the little pointer behind the gear, there is a mark and white paint to highlite it. Line the mark up with the pointer when number 1 piston is set at the proper degrees btdc. Take the three bolts out of the pump gear and use the nut on the pump drive to turn the pump one revolution. Realign the pointer and mark, put the three bolts back in and you have just changed the pump timing by 180 degrees. ;D Yep...quick and easy. Travis
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