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Wisconsin Engines

New Holland L425 Wisconsin VH4D Rebuild


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  #21  
Old 07-09-2019, 03:06:39 PM
IndianaDundee IndianaDundee is offline
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Default Re: New Holland L425 Wisconsin VH4D Rebuild

I pulled the jug free from the block and slid it up off of the pistons. Then remove the wrist pin retainer clips and wrist pins. A 1/2 inch socket can help push the pins out, and later back in.

Then pack the holes in the block with some rags so that you can clean the gasket surface without getting trash in the block. Then when you are ready to reinstall use a ring compressor and install the pistons from the bottom of the jug. Leave the wrist pins out and the holes for the pins sticking out of the bottom. Go ahead and install the inner wrist pins retainer clips.

Next rotate the crank so that one rod is up and the other down. If using a paper/felt gasket put it on now.

Then with a helper's assistance hold the jug over the rod and install a wrist pin.

Install the outer retainer clip. Then lower the jug half way and turn the crank till the rods are both at half stroke. Install the other wrist pin and clip.

If using an RTV sealant apply it next. Then put the jug in place and torque the nuts down. Now you can adjust the valves and put everything back together. I hope this guide helps someone.
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  #22  
Old 07-09-2019, 09:48:38 PM
IndianaDundee IndianaDundee is offline
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Default Re: New Holland L425 Wisconsin VH4D Rebuild

IT ALIVE! WAAAA HAAA HAAA HAAAAAAAAA!

I feel like a mad scientist bringing this monster to life. As soon as I started it I got to work on fixing my yard. I moved a bunch of dirt and went to scoop up some rock when I ran out of gas. Too bad I spent all my money getting it running. Now I have to wait for a paycheck before I can afford some gas. It could still use a plug, wire, cap and button tune up and the carb need a little tweeking, and I may have the governor one hole off, but I think I can congratulate myself on a job well done.
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