Importing and modifying a new mini excavator from China

   / Importing and modifying a new mini excavator from China #761  
Glad to hear that it's a simple adjustment. That said... How does one go about adjusting the relief pressure? Is it going to be on the hydraulic pump? if not, then whereabouts should I look for it? and what does it look like?

Many thanks in advance.
 
   / Importing and modifying a new mini excavator from China #762  
You might have air in your hydraulic lines. Try running one after the other hydraulic cylinder to full travel when not doing any actual work.
 
   / Importing and modifying a new mini excavator from China
  • Thread Starter
#763  
How does one go about adjusting the relief pressure?

Many thanks in advance.
You really should go to the beginning and read this thread and watch my vids. You can use the search function on TBN for this thread to find what you are looking for if you don't want to scroll thru my posts and pix.


Note that if you have servo controls, the pix of the RV are posted with the Diggit EM15 photos.
 
   / Importing and modifying a new mini excavator from China #764  
You really should go to the beginning and read this thread and watch my vids. You can use the search function on TBN for this thread to find what you are looking for if you don't want to scroll thru my posts and pix.


Note that if you have servo controls, the pix of the RV are posted with the Diggit EM15 photos.
Many thanks! I will do that!
 
   / Importing and modifying a new mini excavator from China #765  
I would like to report more on the mini I purchased, but getting fittings to install the hydraulic filter from Discount Hydraulic Hpose has been an abysmal experience. Just ordered from Hydraulics Direct. Hopefully this order goes better.
 
   / Importing and modifying a new mini excavator from China
  • Thread Starter
#766  
I would like to report more on the mini I purchased, but getting fittings to install the hydraulic filter from Discount Hydraulic Hpose has been an abysmal experience. Just ordered from Hydraulics Direct. Hopefully this order goes better.
I recommended Surplus Center above. The Zinga AE10 filter and Prince filter support are about $20 now, plus shipping.

Welding in a bung on the tank seemed easier that routing hoses and making a support for the filter fully inside the house.
 

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   / Importing and modifying a new mini excavator from China #767  
I actually got the filter from Rural King. Box said it was a DeLavan brand, but the filter was a Zinga. Everything else I needed i got from Surplus Center.

I ordered the adapters this afternoon from Hydraulics Direct, they have already shipped and will be here Wednesday.

Discount Hydraulic Hose actually did something timely. My order was cancelled within 30 minutes of requesting a cancellation.
 
   / Importing and modifying a new mini excavator from China #768  
So how is everyone getting 25mm pins? Hex Head Style?

My JF Industrial has Oval Headed Greasable Pins, The Skeleton Buck I purchased has the 32mm Hex Head Indent.

I am getting $12.50/ Pin quotes, But $100 Shipping Quotes. Just wanting to go local for a Bolt or Cat II Hitch Pin
 
   / Importing and modifying a new mini excavator from China
  • Thread Starter
#769  
So how is everyone getting 25mm pins? Hex Head Style?
Hard to imagine that some folks have already worn out some pins, which are usually backed up by plain bearing inserts that will likely wear out first.

That said, I ordered spares when I got my machine, for a couple $ each. Rhino uses a fabricated pin with threads, not a regular bolt. Other makers seem to use a bolt, or different type of fabricated pin.

In the US or Canada, you can buy 25mm or 63/64 mild steel rod. For pins, I prefer mild steel, which seem to hold up well if greased.
 
   / Importing and modifying a new mini excavator from China #770  
I actually got the filter from Rural King. Box said it was a DeLavan brand, but the filter was a Zinga. Everything else I needed i got from Surplus Center.

I ordered the adapters this afternoon from Hydraulics Direct, they have already shipped and will be here Wednesday.

Discount Hydraulic Hose actually did something timely. My order was cancelled within 30 minutes of requesting a cancellation.
If you would describe how you intend to install the filter and the hydraulic hose plus adapters you are using I would appreciated the information. All too often people just say they bought what they needed without giving the actual parts used.
 

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