Dump trailer hydraulics

   / Dump trailer hydraulics
  • Thread Starter
#51  
What likely happened to my pump? Is there a big oring or some type of seal between the reserve and pump. I was looking at it, it almost looks like the round blk reserve is canted to the motor.
 
   / Dump trailer hydraulics
  • Thread Starter
#52  
If it was mine I'd replace the pump unit. They come with wiring diagrams and a reserve tank. For an example to look at go to Graingers.com and type haldex barnes in the search line. The standard units such as Graingers part# 4NE83 come with a 2 qt. reserve tank. Some come with a 3 qt. tank. Models to look at would be the 4NE18, 4NE15, 4NE16, 4NE17, 46C519, 46C520. 2 1/2 gallon tanks #4NE25 or 4NE27 are available. Check the ones that come with the remote switch as they all don't come with a switch and wiring. Maybe you could get the lower priced unit if you can re use your remote switch. If you decide to buy from another Haldex dealer Graingers lists the manufacturer model number for each pump, just write the one down you need.
If you have a hydraulics shop in your area you could drop your unit off for repairs but you may not have it back by next week.
My remote switch has given me some trouble. Been thinking about replacing it. Always wondering if the next dump was going to dump because of the remote. I have gone into this type before and fixed them but it does not last long. So... A new one is needed
 
   / Dump trailer hydraulics
  • Thread Starter
#53  
So, it sounds like I need a single acting pump with seleniod and plug the top hole on the ram. Should I go ahead and get a new hose while I'm rebuilding?
 
   / Dump trailer hydraulics
  • Thread Starter
#54  
Should I not just go ahead and get the bigger reserve? It would be a gamble to hope that a smaller one would work... And I assume that they would not want it returned, not to mention the time invested.
 
   / Dump trailer hydraulics #55  
   / Dump trailer hydraulics
  • Thread Starter
#56  
   / Dump trailer hydraulics
  • Thread Starter
#57  
If it was mine I'd replace the pump unit. They come with wiring diagrams and a reserve tank. For an example to look at go to Graingers.com and type haldex barnes in the search line. The standard units such as Graingers part# 4NE83 come with a 2 qt. reserve tank. Some come with a 3 qt. tank. Models to look at would be the 4NE18, 4NE15, 4NE16, 4NE17, 46C519, 46C520. 2 1/2 gallon tanks #4NE25 or 4NE27 are available. Check the ones that come with the remote switch as they all don't come with a switch and wiring. Maybe you could get the lower priced unit if you can re use your remote switch. If you decide to buy from another Haldex dealer Graingers lists the manufacturer model number for each pump, just write the one down you need.
If you have a hydraulics shop in your area you could drop your unit off for repairs but you may not have it back by next week.
Those at graingers are about $100 higher than the Northern Concentric. Would you pay the difference or do you consider them about the same quality?
 
   / Dump trailer hydraulics
  • Thread Starter
#60  
Here is what is on the hydraulic ram. Cross Manufacturing Lewis KS 2500 PSI working pressure 3.5 bore 30 stroke 1710 max psi at base port. So assuming it is fine, this is what needs to be mated with pump when designing a new better system
Wonder how much storage is needed for a ram like this. An estimate, just curious
 

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