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Your Best Source For New, After
Market And Remanufactured Vickers Hydraulics!

Call Today For Your Free Hydraulic Repair Evaluation!

Our Technicians Understand hydraulics! Visit our "Hydraulic Trouble Shooting" page then ask a to speak to one of our hydraulic specialists

Rules Of Thumb

Horsepower for driving a pump:
For every 1HP of drive the equivalent of 1GPM @ 1500 PSI can be Produced.

Horsepower for idling a pump:
To idle a pump when it is un-loaded will require about 5% of its full rated horsepower.

Compressibility of hydraulic oil:
Volume reduction is approx-imately 1/2% for every 1000 PSI of fluid pressure.

Compressibility of water:
Volume reduction is about 1/3 % for every 1000 PSI of pressure.

Wattage for heating hydraulic oil:
Each watt will raise the temperature of one gallon of oil by 1degree Fahrenheit per hour.

Flow velocity in hydraulic lines:
Pump suction lines 2 to 4 feet per second: pressure lines up to 500 PSI, 10 to 15 feet per sec. pressure lines 500 to 3000 PSI, 15 to 20 feet per sec.; pressure lines over 3000 PSI, 25 feet per sec,; All oil lines in air-over-oil system, 4 feet per sec.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vickers Hydraulic Trouble Shooting Chart

If you are unable to determine the cause of your hydraulic trouble, consider using the hydraulic trouble shooting chart below! At Vickers Hydraulic Pump Repair we understand hydraulics.
Once the problem has been determined we can meet your Vickers hydraulic needs!

We can offer hydraulic repair or the components you need to get your Vickers hydraulic unit
up and running!

Find the Symptom being experienced, then read down that column. The< arrow will point Out t
The most likely Causes Information was obtained from the Vickers Trouble Shooting Chart

SYMPTOMS
Trouble Shooting Causes


Pump Making Noise


No System Pressure

Breakage Of Parts Inside Pump Housing

External Oil Leakage Around Pump

Pump Not Pumping

Exces-sive Wear

Heating Caused By Power Reser-voir, Pump, Relief Valves, Coolers

Heating Because Of System

Eratic-ation


Leakage

Resticted Inlet
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Air Leaks
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Air Entrainment
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Reservoir Air Vent Plugged
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Pump Rotation Or Speed Incorrect
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Oil Viscosity Too High
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Oil Viscosity Too Low
         
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Filter or Strainer Too Dirty or Filter Too Small
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Pump Out Of Line With Driving Motor
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Pump Head Too Loose Or Faulty Head Gasket
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Pump Head Too Tight
                   
Stuck Pump Vane
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Cavitation
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Pump Malfunction
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Relief Valve Not Functioning Properly
 
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Incorrect Control Valve Setting
 
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Internal Leakage In Valves, Cylinder & Pumps
 
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Excessive Pressure Above Max. Pump Rating
   
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Low Fluid Level In Reservoir
   
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Dirt In Pump
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Packing Worn Or Damaged      
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Fluid Contaminated With Dirt Or Water
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Oil Cooler Clogged
           
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Restricted Lines
   
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Reservoir Too Small
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Valve Deposits
               
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Pilot Pressure Too Low
               
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Electrical Solinoid Problems
               
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Loosened Fittings
                 
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Dried Or Worn Seals Or O-Rings
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Line Breakage
   
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Your Best Source For After Market And Remanufactured Vickers Hydraulics!
We Carry An Extensive Inventory Of Vickers Hydraulics, New / Reconditioned Shafts, Cartridge Kits, Seal Kits & Bearings.
Everything You Need To Get Your Hydraulics Up & Running!

Vane Pumps | Hydraulic Piston Pumps | Hydraulic Motors | Hydraulic Transmissions | Hydraulic Thru Drives
Hydraulic Valves | Hydraulic Power Steering Pump

All manufacturer's names, numbers, & descriptions are used for reference purposes only. It is not to be implied that any item is the product of these manufacturers