Hydraulic Jack Rebuild
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Cargo Master
Joined: Apr 2007
Posts: 2,063
Likes: 38
From: Valley Center, California
Hydraulic Jack Rebuild
My Harbor Frieght Engine Hoist Jack isn't lifting beyond halfway, If I add oil it works so I assume an O'Ring is leaking. Probably from lack of use.
It's a generic Cylinder Jack. Before I tear into it is there anything I need to know or special tools beyond C-Clip Pliers ? Any experience out there ?
Thanks
E-Dawgie
It's a generic Cylinder Jack. Before I tear into it is there anything I need to know or special tools beyond C-Clip Pliers ? Any experience out there ?
Thanks
E-Dawgie
Posting Guru
Joined: Sep 2004
Posts: 1,616
Likes: 3
From: Sapulpa OK
Pretty straight forward. Just be aware of ***** in little holes which like to fall out while you are not looking. Or come out while you are cleaning it in the solvent tank. If you don't get them back into their proper holes you can forget about it ever working again.
When you go back together use hydraulic oil. DO NOT USE BRAKE FLUID! That will ruin all the soft parts.
When you go back together use hydraulic oil. DO NOT USE BRAKE FLUID! That will ruin all the soft parts.
Fleet Owner
Joined: Jul 2004
Posts: 27,296
Likes: 1,059
From: NM
I'd be interested in parts availability. My engine hoist (older HF unit) likewise leaks down, but doesn't "use" oil (no leakage visible). Inquiries at local hydraulic shops haven't panned out, they say there is no standardizatiion on parts. HF says "maybe" I can buy a whole new ram, but they've never ordered one and they suspect it costs as much as a new hoist.
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