Rear lift problems Case 1594

[Joe Cashel]

Hi , we have a D plate case 1594 hydra shift and the three point linkage will not lift. Our mechanic give the tractor a complete service including the rear filter but has been stumped by the issue with the lift. Does anyone have knowledge about these machines or know what the solution is ?

 

[spark plug]

Have a read hear some good info:

Selectamatic Hydraulic System

A schematic diagram of the David Brown Selectamatic Hydraulic System. Also a guide to repairs and some other useful tips. The DBTC are indebted to Mr....

dbtc.co.uk

 

[vantage]

On the side console there is a short lever that is the flow diverted valve for rear links and spools. One way operates linkage and spools, other way spools only, have you checked this?

 

[Netherfield]

Are the spools working or not, is the pump being driven because the teeth do wear away on the drive shaft and coupling, and daft as it might sound you haven't by any chance got a spool engaged with a pipe returning oil, i.e. working as a single acting valve, brake valve if fitted and then spools take preference of the oil supply.

Official Case IH Online Parts Store and Case IH Catalog for Best Parts Search and Best Parts Look Up. Case IH Parts for Case IH Tractors, Case IH Combines, Case IH Tractors, Case IH Manuals, Case IH Parts

Case IH parts including alternators, starters, bolts, tires, tools, Case IH toys, Case Tractor Parts, Case IH Parts Online, Case Parts Online, Case Original Parts, Case IH magnum tools, International Harvester Parts, Case Parts Catalog, Case Parts Lookup, International Tractor Parts, IH Combine...

partstore.caseih.com

It only needs a little bit of muck or metal in number 1 or number 10 and it can all stop working.

 

[nails]

Hi , we have a D plate case 1594 hydra shift and the three point linkage will not lift. Our mechanic give the tractor a complete service including the rear filter but has been stumped by the issue with the lift. Does anyone have knowledge about these machines or know what the solution is ?

If it is a dual pump model it could be the combining valve which connects to the valve slices. Check it is operating between single and dual pump. The links will not work in dual pump mode If that is o.k it is most likely seals gone in the valve chest and you will have to lift off the valve slices one by one and fit new o rings everywhere. Done this on a couple of DB,s . It is a bit awkward under the cab but do able. Barcley Williams will supply all the o rings e.t.c.

 

[nails]

On the side console there is a short lever that is the flow diverted valve for rear links and spools. One way operates linkage and spools, other way spools only, have you checked this?

That is the single/ dual pump lever.

 

[Joe Cashel]

On the side console there is a short lever that is the flow diverted valve for rear links and spools. One way operates linkage and spools, other way spools only, have you checked this?

Yea

On the side console there is a short lever that is the flow diverted valve for rear links and spools. One way operates linkage and spools, other way spools only, have you checked this?

yea i initially thought that had been changed but after tinkering with it i believe it’s in the correct position

 

[Joe Cashel]

If it is a dual pump model it could be the combining valve which connects to the valve slices. Check it is operating between single and dual pump. The links will not work in dual pump mode If that is o.k it is most likely seals gone in the valve chest and you will have to lift off the valve slices one by one and fit new o rings everywhere. Done this on a couple of DB,s . It is a bit awkward under the cab but do able. Barcley Williams will supply all the o rings e.t.c.

Thank you, I have checked the lever but I’ll do some more work with it to make sure before I have a go at the seals

 

[Netherfield]

Is it working yet?

 

[Joe Cashel]

Is it working yet?

Haven’t had the chance to get back to it again, probably be Friday before I get a chance