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HW help needed again 2

splat

Member
Joined
Apr 29, 2011
Messages
16
Location
Northern Calif
Hey Guys
2nd question on my older HW
So, to make sure....I've added oil to the screw, a round flat head with a gasket on it. Pumped some hydraulic oil into it, put the screw back in and with the jack collapsed...pumped about if times. Then closed the valve and tried pumping and it goes about as high as it did before adding some oil....about 1/2 way to max height.
So am I putting the oil in the correct location? If so, and because it went no higher....should i check and maybe add more? I see no leakage anywhere. There's also another screw on the platform right near the pump itself. It's also a flat head screw but tapered and when installed lays flush. What is that screw....I see nothing inside of it except at the bottom of the hole there's a rubber disc looking thing....and it looks fine.
I've included pics of the screw under the flip up plate that I took out and put oil into and also another pic of that flat screw and the hole it goes into.
I'm just trying to get a couple jacks working with little to no real work on them and if I can't I'm just going to have to get rid of them cause with my health issues I just really don't have the umph to tear into them and I live in the sticks so there are no hydraulic repair shops around me that I know of and probably the closest in is Sacramento....maybe 35 miles from me. Anyway, any info on filling and bleeding would be of great help. I'd even read that another way to fill is with the valve open, remove the fill screw, pull the saddle up as high as it will go while pumping oil into the fill hole......then replace the screw, drop the saddle, pump the handle while valve is open 10 times or so.....then close the valve and check. That process took more hands than I had at the time and haven't tried it but wanted to check with you guys to see if that even sounds like the way to fill and bleed.
Again, thank you for any info.
 

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ajchien

Well-known member
Joined
Sep 3, 2010
Messages
2,651
Location
Los Angeles, stuck on the 60 freeway.
The filler screw is the pan head screw on the back of the block in the first image. The set screw located between the pump and the spider release valve gear is covering the valve that transfers oil from the reservoir to the lifting cylinder. Don’t fill from there.
 
OP
S

splat

Member
Joined
Apr 29, 2011
Messages
16
Location
Northern Calif
The filler screw is the pan head screw on the back of the block in the first image. The set screw located between the pump and the spider release valve gear is covering the valve that transfers oil from the reservoir to the lifting cylinder. Don’t fill from there.
Excellent......thanks man. Yeah, I didn't put anything or do anything with that second flat screw. Any suggestions on filling and bleeding this unit? Could it be I still just don't have enough fluid in it?
 
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OP
S

splat

Member
Joined
Apr 29, 2011
Messages
16
Location
Northern Calif
I am an 80 year old, out of date computer illiterate. I Googled, "How do I refill my Hein Warner jack. There is lots of information available.
Hahaha....I'm a 70 yo...but not at all computer illiterate. I also googled how to fill...etc. That's how I cam up with the manual....and a half dozen ways to fill and bleed. And of course. It depends on the model of the HWyou are working on.
I asked here because I've gotten excellent help in the past by guys that also use and rebuild these jacks. There was a guy that sold parts here at one time...but haven't seen posts by him for a bit.
Anyway....thank you. 👍
 

isb cornbinder

Well-known member
Joined
Nov 3, 2010
Messages
7,073
Location
Pacific South West, BC, Canada
Hahaha....I'm a 70 yo...but not at all computer illiterate. I also googled how to fill...etc. That's how I cam up with the manual....and a half dozen ways to fill and bleed. And of course. It depends on the model of the HW you are working on.
I asked here because I've gotten excellent help in the past by guys that also use and rebuild these jacks. There was a guy that sold parts here at one time...but haven't seen posts by him for a bit.
Anyway....thank you. 👍
If I remember correctly, my HW has a removable rubber plug My HW is ton and a half.
Someone took about 24 inches off the length of the jack handle. The mechanical/hydraulic advantage is lost. If and when I feel good again, I will add 2 feet to the handle. I will have to make a new internal shaft.
 
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