D17 SNAP COUPLER RELEASE

Phil 19

Member
I have a D17 Series 2. The Snap Coupler Release lever was broke off and whole mechanism was froze up got everything freed up. Got new used lever, and i see that there is an eyelet for a spring. Where does spring go and where can i get one?
 
The eyelet is for a small link chain that goes down to the SC release. There is a special spring used in the release, to hold it shut.
 
(quoted from post at 04:13:11 02/21/17) I have a D17 Series 2. The Snap Coupler Release lever was broke off and whole mechanism was froze up got everything freed up. Got new used lever, and i see that there is an eyelet for a spring. Where does spring go and where can i get one?

It hooks in one of the holes in the foot board.
Looks like a common spring that could be had at a good hardware store.
As you probably already discovered, the D-17 uses a rod rather than a chain like the WD/WD-45 uses.
I went out and took a couple of pictures of My D-17 which shows where the spring hooks. This may help.
45895.jpg
45896.jpg
 
Phil, I cannot emphasize just how important this snap couple hook, spring is to the safe operation of your tractor,

There were a number of incidents where the hook came loose or unhooked from the implement eyelet, this will let the implement tongue go into the ground,

If the lift arm clamp springs are not in good order and do not release in this situation, you can figure what can happen,

Just be sure your snap couple hitch system is in good working order before you start plowing,
Word to the wise!!!!!!!

I pulled snap couple equipment for many years with a D 14 never had a problem, but I always checked that hook pin to insure all was in good order,
 
The real important spring is the one that holds the hook closed as shown here. I took the picture to show how some hooks are a little more "healthy" than others. I think the bigger one may be from a D-17.

45903.jpg
 
Please do what Maxwell and Brian G says. I have a huge scar on the middle of my back from a plow landing on me over 30 years ago. Still causes me great pain. I'm not sure those latches were made to unhook. They have hooks on them that actually hook over the pin on the plow lift arms. Any mine did not. Brian-- Thank you for posting the picture of the spring.
 
Hd6,
I read a number of articles about the safe operation of the snap couple equipment back when I had my D14 as I had quite a set of equipment for it back in the day,

As happened to you, one large farm family had used AC equipment for years until one of the sons was plowing with a WD45 pulling 3-14" plows,
The snap couple came loose, plow flipped almost killed the boy,
The father traded all the AC equipment on the farm for IH equipment that used 3 pt hook up,

However, you still have to check the condition of the hitch on 3 pt equipment, my friends 3 pt Ferguson broke out a lift arm ball, the bush hog came around and started climbing the rear tire after him, he got the tractor stopped before he got hurt, but the rear tire was destroyed as well as numerous bent lift arm parts,
I replaced the lift arms on my old Ferguson after his incident, I am too old to deal with that and do not heal fast,
 

Now, boys...I KNOW the WD-45 and the "Snap-Coupler" setup..

THERE IS NO WAY a plow can flip up with the release Latches on the lift arms..

What MUST have been was a plow for a WD was being used..the lift-links on that plow go on with a SET SCREW..

NOW, should the front Crossbolt come out with that PLOW..you will likely DIE..

I checked mine on my WD-45 many times and with the lower "snap-Coupler" released, the upper links DROP away with only a slight amount of pressure..

Blame the Correct Horse Please...
 
I've been operating snap coupler equipment since 1957 when dad bought our 1st WD45 and yes the snap coupler latch CAN and WILL come unlatched as I've had it happen and know of others that have had it happen to them.Just because you have been lucky doesn't mean it won't or can't happen,sort of like sitting on a railroad track 99% of the time nothing will happen but
sooner or later it will.
 


Nosir, I was not "Lucky"..I KNOW the lift-link Latches WILL drop the plow in a heat-Beat..no matter if you unlatch the SC or if it should
ever un-couple..

If those latches would not release, there HAD to be some kind of Damage to them or they had been neglected beyond comprehension...

I', not going to argue with you, I know what I said and I am correct..

'nuff said...
 
Thanks for the pictures. Ended up using old brake return spring, and it seems to keep enough tension on lever.
As they say a picture is worth a thousand words.
 

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