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need jinma posi lock handle

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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
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2006-01-03          122190

Well I broke the handle on the JM-180
differential lock.
I took out the roll pin on the
activation pawl ans now I can't
get the pawl on far enough on the
shaft to reattach the pin.
Are there any tricks?
Who might be a supplier that would
have a new handle.
I would also purchase the pawl if
it made the connection beter.
George


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need jinma posi lock handle

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affordable
Join Date: Sep 2004
Posts: 93 Bellville,Texas
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2006-01-03          122193

We have the handles in stock,when you removed the pin
it has slipped inside,if you cannot get it back with some plyers you may have to remove the hydraulic lift box.
Let me know if we can help.our web page is down today for maint. but you can call us a 979-865-4002

Tommy
Affordable Tractor Sales Co. ....


Link:   Webpage

 
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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
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2006-01-03          122194

Thanks;
As I see it, the shaft is just a spinning
point to which the handle rotates. The pawl
on the shaft fitting pushes against the
differential lock button.
The shaft rotates freely and can be pulled
outwards and can slip inwards which it
does when I attempt to slide the handle/pawl
assembly back on.
I seem to have no way to hold the shaft while I
slide the pawl on. The closest I can get is to
be able to see the edge of the hole in the roll pin
slot.
I know it must fit tight so that the pawl can
apply force to the button, but this is rediculious.
I am thinking to drill a small hole in the end
of the shaft and tap a small screw so that I can
have something to grab to pull out the shaft when
I reattach the pawl.
Am I right?
O r am I missing something?
George ....

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affordable
Join Date: Sep 2004
Posts: 93 Bellville,Texas
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2006-01-03          122208

It's not a real big job to pull the hydraulic lift box off to fix it, you could do as you say but I think it would be easier to pull the box.Either way let me know if we can help you

Tommy ....

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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
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2006-01-04          122217

Thanks;
I'll call today
George ....

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Carldarnell
Join Date: Dec 2005
Posts: 91 Taylorsville Ky
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2006-01-08          122409

The pin was lost out of my NT254 before I got it. The previous owner put a nut pick in the hole.
YOU DO NOT HAVE TO REMOVE THE HYDRALIC LIFT BOX.
There are two bolts holding the bracket on the side of the rear end. Remove the bolts and take the assembly off. Remove the shaft the engaugement lever is pined to and replace it with a 7/16 bolt long enough to go through the bracket and the lever then put a locking nut on the bolt and tighten it so it is snug but moves freely. You will have to grind or machine off the bolt head so it fits in the recess in the bracket. I just put the bracket in my mill and bored out the recess to fit a socket to hold the bolt. Now put it back on the rear end with some very sticky grease(I used some black tar gear and cable grease)on the area where the lever cam and button head are to make it move smoothly. It will work great now. ....

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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
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2006-01-08          122412

So what you sre saying is to replace
the shgaft with a bolt that will pass
thru the plate and pawl. Forget about the
roll pin and just put a washer and nut,
or double nut to hold the pawl tight but
still rotate.
If i take off the two bolts do I loose
fluid?
And do I have to try to seal the 7/16 bolt
so it does not leak?
Or is it dry?

....

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Carldarnell
Join Date: Dec 2005
Posts: 91 Taylorsville Ky
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2006-01-08          122421

Corvetteguy, I have a NT254 which is a Jinma 254 and you have a Jinma 180. I have not seen a JM-180 but if it is like mine the lever that locks the rear wheels together is on the right side below the seat on the housing just above the axle housing. There are two bolts that hold the bracket with the pivot pin and lever. Mine did not leak when I removed the bolts. It is a small bracket and the bolts are hard to get to. What the lever does is to push a rod sticking out of the rearend housing in and that locks the rear wheels together. All the pivot pin does is to hold the lever against the bracket so the lever can push the rod in with a cam action. Yes, you don't need a roll pin just the bolt and you can double nut it or use locktite on it. Make it just tight enough that it don't have slop when you rotate the lever and remount the bracket and lever assy. Be sure to grease the cam area on the lever and put a dab of grease on the ball end of the rod sticking out of the rear end housing.
I have an idea. If you want me to I will take a photo of mine and post it as a Tractor Mod. on Chinese Tractor Owners Association web site. I am not sure if it is like yours or not. Affordable indicates that you have to remove the hyd. lift box so maybe you do on your tractor.
Ok, if the shaft has slipped into the housing take a strong magnet and put it against the end and wiggle it around while pulling and work it back out. Clean off the shaft real good. Clean the hole in the lever real good. Now take a long thin bladed utility knife and hold it against the shaft at the housing with the pin hole aligned so you can put a pin in it when you slip the lever on. Now hold the knife blade hard against the shaft and work the lever on the shaft and install the pin.
Call Affordable at their shop to see if the JM254 and JM180 use the same method of mounting the lever. ....

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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
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2006-01-09          122448

Mine sounds just like the bigger model.
The pin is still sticking out through the
plate so I might be able to slide the lever
over and hold with a knife.
I ordered new parts from afordable.
I just might put a small screwdriver through the
roll pin hole and use a right angle drill to
drill and tap a bolt hole on the end of the
pin to help in installing.
I'll remember to use grease.
Thanks ....

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Carldarnell
Join Date: Dec 2005
Posts: 91 Taylorsville Ky
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2006-01-09          122450

That's good. I got to thinking about it and Tommy at Affordable Tractor knows more about the models than I do so when he said you have to take the top off he is right. when the pin falls out or breaks again it may be better to pull the top and use a bolt like I suggested. It will last longer than the pin. ....

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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
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2006-01-10          122521

Got the arm and plate today.
It has the pawl installed as a unit.
Question:
Are the two bolts that hold the plate
to the trans box threaded in?
There isn't a pair of nuts in there
I have to worry about?
....

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affordable
Join Date: Sep 2004
Posts: 93 Bellville,Texas
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2006-01-10          122536

They are threaded in No Nuts

Tommy ....

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corvetteguy
Join Date: Mar 2005
Posts: 49 PA
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2006-01-13          122689

Boy this Jinma tractor is simple
and straightforward. Removed the
2 16mm bolts and installed the new
plate. The plate just mounts on the
side of the transmission with no way
for the center pin to fall in.
About a 5 minute job.. I guess you
do sometimes have to work on the
Jinma but it is not hard work.

A question on the adjustment of the
activation pin. I screwed it in to
make the plate installation easier.
The I backed it as far out untill it
engaged the cam. Is this enough
adjustment or should I have backed it
out further (bias) to make the travel
more?
George ....

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