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Im having a few problems with my Onan generator on my versa

Customer Question
lift bucket truck and would...
Im having a few problems with my Onan generator on my versa lift bucket truck and would like advice on converting the hydraulic pump on the end of the generator, to a 110volt electric motor that I can plug into a receptacle, when running a bucket.
Submitted: 1 year ago.Category: Construction and Road Equipment
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Customer reply replied 1 year ago
I'm an electrician and understand electrical systems well, but I don't know much about hydraulics....I typically work in residential areas and being able to run an electric motor, from an extension cord from a house,!would be a lot quieter and a lot simpler then running a generator.
Answered in 13 hours by:
7/14/2016
Mechanic: Bradley Martin,
 replied 1 year ago
Bradley Martin
Category: Construction and Road Equipment
Satisfied Customers: 178
Experience: Field Technician at Thompson Tractor Company
Verified

What is the output horsepower of the onan generator?

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Customer reply replied 1 year ago
The generator puts out 4500 watts....I realize that I only need a fraction of that to actually run the hydraulics of the bucket....I do not need the generator for electricity, just to run the hydraulics of the bucket.
Customer reply replied 1 year ago
I was unable to read your response until now....feel free to ask any questions....the working psi of the bucket hydraulics is 1200 psi and max is 2400psi and its 1.6 gallons a minute. This is info I've been able to find online.
Mechanic: Bradley Martin,
 replied 1 year ago

If you do the power formula you would need a 6 horsepower electric motor

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Customer reply replied 1 year ago
6 horsepower is way too much to run just the hydraulics. 4500 divided by 746 is 6 but that is including the power needed to produce electricity at 120/240v. I want to eliminate the electrical producing aspect of the generator and just run the hydraulics. The hydraulic pump is on the end of the shaft for the generator. I sent photos with the hydraulic ratings necessary to run the machine.
Mechanic: Bradley Martin,
 replied 1 year ago

Ok let me do some calculations I will get back with you

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Mechanic: Bradley Martin,
 replied 1 year ago

Do you know the hydraulic pump displacement?

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Mechanic: Bradley Martin,
 replied 1 year ago

Also we need to know how much gpm's the system needs to operate I see on the data tag operating pressure is 2000 can you see if the pump has a gpm rating on it

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Mechanic: Bradley Martin,
 replied 1 year ago

After doing some calculations I think you will be good with a 3.5 to 4hp motor keep in mind on the data plate where it says minimum vehicle weight for stability once you replace the generator with an electric motor your weight will be less so I would suggest getting some steel plates to get to the same weight as the generator was let me know if you have anymore questions

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Mechanic: Bradley Martin,
 replied 1 year ago

Any update yet?

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Mechanic: Bradley Martin,
 replied 1 year ago

Any update yet?

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