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Lift capacity of 8n

T

thommoos

Member
If I were to add a zane thang to my 8 n would my lift capacity increase? I was hoping that with there would be an increase.
 
a zane thang is an ADJUSTMENT jig. it will simply allow you to set it to the correct values for working within range of movement.

lift force will be a function of pressure and piston/cyl bore.

if you don't increase either.. you gain nothing.

even if you plumbed in a live thang pump, the piston changes none.. and the oem lift relief valve is still in place.. so you can't gain anything there either with respect to lifting force, you might change geometry a bit to gian lift force and loose lift height.. but that is a seperate issue.

no free meal..it's all physics....
 
(quoted from post at 15:06:25 10/01/12) If I were to add a zane thang to my 8 n would my lift capacity increase? I was hoping that with there would be an increase.
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Maybe yes, maybe no.

If you are hoping to make it pick up more than Ford designed it to the answer is no. The designed lift capacity is determined by the diameter of the lift piston, the hydraulic pump pressure, and the geometry of the lift linkage. The hydraulic pressure is limited to 1600 PSI by the internal OEM safety relief valve so even if you add a second pump that produces a higher pressure the lift cylinder will never see it.

On the other hand if your lift is weak and you are getting less than the designed lift capacity because your internal pump is worn and isn't producing 1600 PSI pressure an external pump will make up the difference. In that case an external pump is a good way to restore the lift back to it's designed lift capacity.

TOH
 
3 times now.. NO!

unless your pump is so worn out that it won't make proper flow or pressure.

if your relief is weak then even adding an external pump won't help.

if the cyl rings or the bore is bad it's a leaker.. etc..etc.

are you asking it to do too much.. or wanting a machine that lifts more than the N was designed for?
 
(quoted from post at 15:06:25 10/01/12) If I were to add a zane thang to my 8 n would my lift capacity increase? I was hoping that with there would be an increase.
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Zane Thang or Zane's Live Thang?
The Zane Thang adds position control to a 9N/2N that an 8N already has.
If you're talking about the Live Thang, what are you trying to lift?
A correctly functioning lift will lift enough to pull your front tires off the ground.
 
Not asking for too much lift just a 4X5 bale of hay(it used to do it). It has a frontend loader and the bale of hay on the rear balances the tractor real nice. It struggles on the last cutting of hay, it will not hold when I put it in gear, so I know it is starting to have problems.
 
Not asking for too much lift just a 4X5 bale of hay(it used to do it). It has a frontend loader and the bale of hay on the rear balances the tractor real nice. It struggles on the last cutting of hay, it will not hold when I put it in gear, so I know it is starting to have problems.
 
Not asking for too much lift just a 4X5 bale of hay(it used to do it). It has a frontend loader and the bale of hay on the rear balances the tractor real nice. It struggles on the last cutting of hay, it will not hold when I put it in gear, so I know it is starting to have problems.
 
(quoted from post at 11:08:12 10/02/12) Not asking for too much lift just a 4X5 bale of hay(it used to do it). It has a frontend loader and the bale of hay on the rear balances the tractor real nice. It struggles on the last cutting of hay, it will not hold when I put it in gear, so I know it is starting to have problems.
Click to expand...
on't forget that all 4x5 bales are not created equal. The machine settings, windrows, density, moisture of material can result in bales of very widely varying weights. Having said that, sure these old tractors wear out & pumps can produce lower output, reliefs can't begin to relieve at lower pressures, leaks develop, etc. Chain lift arms down & read pressure at lift test port.
 
(quoted from post at 11:34:54 10/02/12)
(quoted from post at 11:29:10 10/02/12)
(quoted from post at 11:08:12 10/02/12)Chain lift arms down & read pressure at lift test port.
Click to expand...

Wouldn't you rather just wildly speculate - it's so much more fun :twisted:
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es, when the boards have been so devoid of real problems to solve as they have been lately, it helps keep up the traffic & I'm sure YT appreciates that. :wink:
Click to expand...
 
(quoted from post at 13:54:41 10/02/12) you need to address leaks and then pressure test the pump.
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He isn't even sure the lift isn't working as designed. A pressure test is a quick and comprehensive check of the entire lift system and will immediately tell him if the lift is performing as designed. If it shows ~1600 PSI he doesn't need to address anything other than the need for a larger tractor. If significantly less then he can start looking for failing components - e.g leaks vs. pump.

TOH
 
(quoted from post at 17:20:18 10/02/12) When you say chain the arms down,how do you do that? Dead weight?
Click to expand...

Chains = a chain around the trumpet and lift arms. Dead weight on the lift will work as well just make sure you have more than the lift can raise.

TOH
 
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