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2 Post Lift - Parts Needed

Ktnewcom

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Joined
Mar 27, 2014
Messages
7
Link to pictures of lift:
imgur.com/a/CHxFQuJ

Recently picked up a used 9k lift that is mostly complete, save for some small parts. Hoping that someone here can help with possible sources or solutions. It looks like a fairly old lift, made by Stern MFG Co. - Model WRL-9. Not sure who makes the power unit, but I'm guessing Duro.

What I'm looking for:
  • Pickup/**** Pipe or Return Pipe
  • Hydraulic fluid reservoir
  • Lift pads (for 1.15" peg??)

The pickup/return pipes that came with it are identical. They both are broken at the threaded end with about 0.5" missing. One broke clean enough and left 4-5 threads to still use, but the other will need to be tapped again. Any idea if it's NPT and worth tapping? I will lose the 0.5" of depth into the fluid so it would probably be better as a return pipe after. For the record, neither pipes have a filter -- does the pickup need one?

The fluid reservoir was lost by seller. Wondering what dimensions are critical here. Obviously it needs to hold enough fluid -- I'm seeing 2.5 gal capacities are common. And it needs to clear the two aforementioned pipes, OK. But, does it need to seal tightly around the pump housing? I'm seeing bolt on reservoirs, and hose clamp-style. Any thoughts?

Most interesting part about this is that the lift arms have holes that are 1.15" in dia. but all of the pads/adapters I've found are either 1 3/8 or 1 1/2 peg size. Any thoughts on why they'd be so small, or finding a supplier, or going custom?
 
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Stuart in MN

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Most interesting part about this is that the lift arms have holes that are 1.15" in dia. but all of the pads/adapters I've found are either 1 3/8 or 1 1/2 peg size. Any thoughts on why they'd be so small, or finding a supplier, or going custom?

Is it a metric size hole? 1.15" is nearly 30mm (30mm is actually between 1.18 and 1.19", but maybe your measurement wasn't exact.)
 
OP
K

Ktnewcom

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Mar 27, 2014
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Just went to measure the holes again and all four are right at 29 mm or 1.15” :headscrat
 
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firebirdparts

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Kingsport, TN
The pads would be super easy to make. The size and type of material they used on the arms is unusual. That style of construction just never caught on. The arms must be bar stock. I guess that is a low profile arm, I will give 'em that. You installed it upside down, I bet.

If the reservior has been lost, you could just throw the power unit away and buy one for a few hundred dollars. Are the pipes that broke off on the pump? That wasn't totally clear. Pipe is pipe to me. If you need pipe you just get what you need. If you need an exact length you thread your own. What am I not understanding?
 
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Ktnewcom

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Joined
Mar 27, 2014
Messages
7
The pads would be super easy to make. The size and type of material they used on the arms is unusual. That style of construction just never caught on. The arms must be bar stock. I guess that is a low profile arm, I will give 'em that. You installed it upside down, I bet.

If the reservior has been lost, you could just throw the power unit away and buy one for a few hundred dollars. Are the pipes that broke off on the pump? That wasn't totally clear. Pipe is pipe to me. If you need pipe you just get what you need. If you need an exact length you thread your own. What am I not understanding?

You got me with that upside down arm! When I dropped it to its lowest position then I realized that the arm needed to be flipped. You're also exactly right about the arm extension just being bar stock. Looks like it was flame cut and not really cleaned up much. On the other end they welded a tab on as an end-stop.

How would you go about making the pads? I'd like to do a 1" spin up type, but all I can picture (while keeping it strong) is a 1" nut welded to some flat stock for the base and then a 1" threaded rod for the pad shaft. But with that nut and the thickness of the pad it might turn into a lot of added height. It'd be nice to get the internal threads inside the arm, but then I'm going to a thinner shaft for the pad...

I probably should have tossed the power unit already, but I'm always blinded by saving a few bucks. If you reference the 4th pic then you can see the remnants of both broken pipes on the pump -- the **** pipe and return. They were a green plastic. I'm guessing something like HDPE. I'm probably overthinking it, but I'm wondering what type of plastic is safe to use in hydraulic fluid, if I can find a replacement. Along with your point I'll try just tapping the the broken pipe and reusing it, just having trouble determining the thread pitch.
 

SGKent

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Feb 12, 2010
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Citrus Heights CA
see if there are patent numbers. That may lead to where when and who actually made it. Nothing comes up in a google search for Stern Mfg company.
 
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