Hydraulic 3pt pump seal kit replacement Case/NH DX-40 questions.

   / Hydraulic 3pt pump seal kit replacement Case/NH DX-40 questions. #1  

cpeters

New member
Joined
Oct 1, 2005
Messages
15
I have also posted this in the NH and Case Forums

Has anyone replaced the gaskets in a case DX-40 hydraulic pump using the SBA340293698 seal kit from the dealership?

This is an early DX-40 3pt hydraulic pump (KYB).

On either side of the pump plate is a gasket looking like a figure 8. When I pulled the pump apart it just had the gasket.....the new improved kit has 4 teflon looking beveled pieces that appear to go on either before or after the gasket to maybe re-inforce the gasket, or maybe these help with a pump with a little bit of wear.

I put the pump back together what appears to be the obvious way and am just a little concerned that you cant turn the shaft with your fingers.

Also the 4 ends of the blocks that house the pump shaft bearings are labeled two with the number 4 and two with the letter E. On the side of the pump wih the shaft there is a number 4 so I am pretty sure that is where the 4 goes and with that all of the others can only go one way.

So I am looking for someone who in familiar with this particular pump.

Question 1.
Is my assumption about the numbered and lettered bearing blocks correct?

Question 2.
I am interested in the designed purpose of the nylon looking gasket supports for the figure 8 gaskets on each side. Is it to be used in all pumps or just special applications? I put the nylon pieces on then the gasket....it could go either way but I want to make sure of the designed way before I put the pump on the tractor.

Question 3.
How much effort should it take to turn that pump shaft. The shaft turns easily with 2 fingers until you tighten the end plates then you have to put something on it to turn it. It does not turn difficult it is just not as easy as I would expect...that concerns me. It takes 20 inch lbs to turn the shaft.

I am going to call Messick Power who I ordered the parts tomorrow....I tried today and was on hold for a while.

Thanks in advance.

By the way here is the link to my original issue with my tractor if you are interested.

http://www.tractorbynet.com/forums/case-ih/123139-dx-40-hydraulic-oil-engine.html

Charlie
 

Tractor & Equipment Auctions

2019 CATERPILLAR 289D3 SKID STEER (A51246)
2019 CATERPILLAR...
2000 Thomas Built Saf-T-Liner MVP-ER Transit Passenger Bus (A51692)
2000 Thomas Built...
2016 Hino 195h Truck, VIN # JHHSPM2H5GK001607 (A51572)
2016 Hino 195h...
2020 John Deere 6195R (A50120)
2020 John Deere...
AGCO Sunflower 20' PT Disc Harrow (A50120)
AGCO Sunflower 20'...
Husky Tandem Tank Spreader (A50774)
Husky Tandem Tank...
 
Top