Hyster H200ES:
Trans over flowing.

I'm trying to fix this dinosaur machine. It's a hyster H200ES.Hydraulic oil keeps filling both the gear boxes. Hoping someone can tell me what could be the problem. Thanks
  • Posted 9 Jul 2014 04:30
  • Discussion started by cHarley
  • Oregon, United States
Showing items 1 - 8 of 8 results.
Glad to help-keeps the ole' brain workin! I'm gonna take a guess based on old Hysters I used to work on how they were hyd plumed. I'm guessing the aluminum box you speak of is a diverter valve of sorts- controlling the flow of oil to the bell housing. Check for broken springs, sticking valves etc in this box (if I'm right).

I agree the hoses w/ no clamps would be the low pressure returns. I would also check these for blockage.

How are the hydraulics- do they have a "normal" feel or do they seem weak & sluggish?
  • Posted 11 Jul 2014 11:52
  • Modified 11 Jul 2014 11:55 by poster
  • Reply by bbforks
  • Pennsylvania, United States
bbforks (at) Hotmail (dot) com
Customers love technology- until they have to pay to fix it!
Their are three fittings, one just above the F&R gear box on the bellhousing goes to an aluminum box, second hose comes out just above the release fork shaft that gets teed with another hose and then is mounted to the tank, both these hoses have no clamps or crimps, possibly low pressure. The last fitting is a plummers union that holds that aluminum box that was noted above. It seems that this aluminum box is the key to the circulation, weather it's the problem has yet to be determind. All opinions are greatly appreceated, go or bad. Thank you very much for your time and info.
  • Posted 11 Jul 2014 08:22
  • Reply by cHarley
  • Oregon, United States
Sounds like the drain for the wet clutch set up is not draining. Check the routing of any/all hyd lines coming off the bell housing- one should go to the hyd tank. Make sure this hose is free of debris, etc.

The wet clutch set up should hold just a few inches of oil in the bottom of the bell housing, the entire housing should not be full of oil. Your starter is/will be leaking oil as well.
  • Posted 11 Jul 2014 06:28
  • Reply by bbforks
  • Pennsylvania, United States
bbforks (at) Hotmail (dot) com
Customers love technology- until they have to pay to fix it!
Wet clutch, yes. Preparing to remove trans.
  • Posted 11 Jul 2014 00:51
  • Reply by cHarley
  • Oregon, United States
I'm not familiar with your machine so this is a shot in the dark- does your truck have a clutch- perhaps it's a wet clutch issue ?
  • Posted 10 Jul 2014 10:55
  • Reply by bbforks
  • Pennsylvania, United States
bbforks (at) Hotmail (dot) com
Customers love technology- until they have to pay to fix it!
Update. The main pump is bolted in the counter weight, however there's an aluminum box with hoses "4" and a union fitting mounted on the flywheel housing that may be passing oil into the housing. I have no idea what that box dose. It has the numbers 174170 on it. I'm still thinking that the seal between the housing and the trans needs to be replaces. If any one has any info it would be greatly appreciated. Thanks.
  • Posted 10 Jul 2014 06:31
  • Reply by cHarley
  • Oregon, United States
Sounds like a good plan. Thought I was pulling the trans out of this one. Thanks for the info.
  • Posted 9 Jul 2014 11:03
  • Reply by cHarley
  • Oregon, United States
front seal in the hydraulic pump is shot. replace or rebuild the main hydraulic pump
  • Posted 9 Jul 2014 08:33
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"

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