Good morning. I have a G5200H with the 46" two-stage snowblower and I do not have the assist lift springs, pn# 70060-01359. I really don't want to pay $50 each for new ones so I'm wondering if anyone knows the specifications (length, tension, etc.) on these springs that would assist me in location a suitable replacement. Thank you for any and all advice you have to offer!
Assist Lift Spring
- Thread starter Tiberius
- Start date
from Google..... 1 1/2" x 9"
I don't know about wire size, but it's a start.....
maybe spring for front mounted snow plow ,saw for ATV, might be 'close enough ' ?
I don't know about wire size, but it's a start.....
maybe spring for front mounted snow plow ,saw for ATV, might be 'close enough ' ?
Knowing the dimensions, means the 'strength' of the spring will be determined by the wire size. thin wire, weak, fat wire strong. I'm guessing something made from 3/16" wire would be 'ok' ??
be nice to see a picture of a real spring
www.mcmaster.com
should help.
be nice to see a picture of a real spring
McMaster-Carr
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should help.
The only picture I've seen of one is in the IPB manual and that's a drawing and a b&w photo (attached), no specifications for it other than "Spring" and the part number. The dimensions you provided should get me in the ballpark. If I go too thick on the wire size, I still don't see it lifting even the plow on their own, but the assist will be there. Maybe some day I'll get the hydraulic lift kit for the subframe! 
Thanks Jay!
Thanks Jay!Attachments
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The picture is good enough, I think. You can measure diameter, total spring length by taking the tractor as reference. Measure coil length, count the turns and you have the wire diameter too. You'd be surprised how precise measurements can be taken from a picture.
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Agree... I counted about 36 loops in the coil and considering a spring length of 9", an inch off each end for the loops/hooks, that's a wire thickness of about .2", five per inch. I should be able to find something along that line.
Hey it is to assist with lifting the blower, if you have ever used one you know its heavy, it will also keep the blower from slamming down on the ground. If you find the springs let me know as I have been looking for yearsThe only picture I've seen of one is in the IPB manual and that's a drawing and a b&w photo (attached), no specifications for it other than "Spring" and the part number. The dimensions you provided should get me in the ballpark. If I go too thick on the wire size, I still don't see it lifting even the plow on their own, but the assist will be there. Maybe some day I'll get the hydraulic lift kit for the subframe!
Russell King
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L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
There is a simple formula for the force for a spring: F=Kx
F is the Force, K is the spring constant, x is the distance the spring is moved (stretched in this case)
So if you know you want to lift 500 pounds you need a spring that will do that. I would probably use the maximum distance the spring is stretched as the distance (x) and let the force decrease as the spring gets shorter. But I really don’t exactly know what the assist is supposed to do.
The K of a spring is a published number and is a function of the spring geometry and wire. So there are a bunch of springs that could be selected from.
There is also a relaxed spring length and a maximum stretched length that the spring can withstand.
F is the Force, K is the spring constant, x is the distance the spring is moved (stretched in this case)
So if you know you want to lift 500 pounds you need a spring that will do that. I would probably use the maximum distance the spring is stretched as the distance (x) and let the force decrease as the spring gets shorter. But I really don’t exactly know what the assist is supposed to do.
The K of a spring is a published number and is a function of the spring geometry and wire. So there are a bunch of springs that could be selected from.
There is also a relaxed spring length and a maximum stretched length that the spring can withstand.