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Any History on it? Rebuilt Recently? Anybody messing with the Valve components? It’s possible based off the design for the Power side to be compromised and not show immediate signs of leakage.

If the jack uses a ball on the release, Yes it can be dropped in.

I’m not sure what type of jack we are dealing with, but the problem lies with the Pump seal, whether that is a rod/oring seal or Piston type is yet to be determined. The pump seal does the transfer from the Reservoir > Valves > Main lifting cylinder, Based off your post this is where the issue...

As already stated, if the jack operates normally with the plug removed, it’s a weak pump seal. It’s not that complicated of a system.

I’m going to go with NIKE out of Sweden, Probably 1 1/4- 1 1/2 ton capacity.

Register for a account and then it gives you a place to put the coupon code.

Thanks, I’d be interested in seeing the document source. I never found anything Blackhawk literature related, I did find axle straightening patents when I was scouring the webs, at thought it was a winner, but the base was a bit different and the overall stroke didn’t look right. Thanks again.

Who’s Winning?

I’d try to get some more details on the “quit feeding” problem. Is he the original owner, Did it ever work? It will make your job a lot easier to troubleshoot, Hopefully it’s just a Liner or improper tip/liner/wire issue. Since the picture indicates they took the roller assembly off, Maybe it’s...

I’d say it’s an Early M with a custom rear caster assembly. 1. tear it down and I inspect it prior to purchasing a kit. 2. Hydraulic Parts Supply in Sawyer KS for Parts.

Well I’ve exhausted all my personal connections and spent more time than I want to admit scouring patents with No luck. I can’t help but think that whatever application it was designed for, it either didn’t work very well or the PO didn’t use it much. It doesn’t show hardly any signs of use, the...

Yep, I believe I hit the majority of companies that have shared tooling over the years. I even searched a wide variety of search phrases to catch anything obsolete.

What pieces are you missing? I have quite a few PF porta-power pieces. I’m also curious to how much of a relationship PF had with Blackhawk in the Auto Body sector early on. I’ve seen Blackhawk sets that definitely use there pumps, Hard to tell about the attachments, but can’t help but think...

Yep, Both of those links include some good resources for sure, I scoured both before I posted and can’t seem to find a match. I’ll post a picture up tomorrow and see if it draws any fire. Thanks

I purchased another Blackhawk Porto-Power lot the other day (s-100) and it came with a ton of attachments. I’m scratching my head with a Hydraulic unit that was included, the model tag reads “AB 85”, I believe it’s 4.5 ton capacity, It’s a essentially a Bottle jack, but instead of having a flat...

I suspect it’s not helping, especially if the gravel/daylight is on the opposite side of your fan. The reading of 1 on the manometer isn’t concerning, it’s well within spec meaning it’s not sucking to daylight in the near vicinity. I’d also check to make sure it zeros out when the radon system...

Unless I missed it, A good sign that your Radon mitigation company isn’t on the up and up is that they don’t have there own test equipment and they are relying on a customers air things meter. The ones that where accredited by the state and some agency had meters that where calibrated annually...

Sweet… It’s a Barn Burner.

Anyone know the score?