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Grove RT530DXL Hoist is not functioning

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Mechanicsville804

Well-Known Member
Joined
Dec 14, 2021
Messages
116
Location
Virginia
Hey all,

I'm looking at a Grove RT530DXL and The hoist stopped working for me. The controls are working properly because if I pull the controler I get hydraulic fluid at the pilot. Not sure where to turn from here. Thanks in advance!
 
K

Knepptune

Senior Member
Joined
Nov 22, 2012
Messages
757
Location
Indiana
You have a pressure gauge? I saw your other post. Did the crane work properly before the valve was resealed.
Some of those have a pressure port on the hyd lines going to the winch to check the pressure going to the winch.
Do the hydraulics load up or react at all when you hit the function or is it completely dead.
 
M

Mechanicsville804

Well-Known Member
Joined
Dec 14, 2021
Messages
116
Location
Virginia
I do. I havent checked pressure yet. Excellent so you saw the pictures. Everything was working well before I replaced the O-Rings. No action at the Hoist.
 
M

Mechanicsville804

Well-Known Member
Joined
Dec 14, 2021
Messages
116
Location
Virginia
I appreciate that Crane Mechanic, I saw that I had broke the seating lip for the O-rings, by over tightening the Hoist Valve-Control back together.
 
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Mechanicsville804

Well-Known Member
Joined
Dec 14, 2021
Messages
116
Location
Virginia
CraneMechanic, I had overtightened the sections and it was not allowing the spool to move in the valve. Strangle enough, anything tight enough to stop the leak and the spool won't move and anything loose enough for the spool to move and we have a serious hydraulic fluid leak. So our hoist works but we still have our leak.
 
C

CraneMechanic73

Well-Known Member
Joined
May 29, 2022
Messages
73
Location
Georgia
I’ve seen stubborn spools ( rust and corrosion) but don’t ever recall the torque of the section causing o stuck spool. You look for a hairline crack in the section maybe??
 
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