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  • SOLVED: Why won't my excavator stop overheating? - Fixya

    Feb 09, 2016 · Simple circuit with fluid motors: 31%; Hydrostatic transmissions: 35 – 40%; Servo based systems: 60 – 75%; Low-pressure fluid transfer: 15%; If the system is a simple circuit with fluid motors and has an electrical motor input horsepower of 30hp: 30hp x 0.31 = 9.3hp. The tank needs to dissipate at least 9.3hp or the system will overheat. Keep in mind that if your system pressure is above 1000psi …

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  • SOLVED: Why won't my excavator stop overheating? - Fixya

    Oct 15, 2015 · next check the hydraulic oil temperature. It it is cooled by an external transmission cooler, it may also be blocked by dust 5T Excavator KX161-3 overheating 7 posts Apr 22, 2013 john deere 270D excavator over heat 15 posts Aug 1, 2011 cat 305CR overheating issue 15 posts Jul 23, 2011 cat 312 overheating 15 posts Jul 31, 2008 More results

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  • Keep Your Excavators Running With Clean, High-Quality

    At Langley Excavator Parts Exchange, we know how important your John Deere and Hitachi excavators can be in helping you get the job done. As excavators are valuable and expensive pieces of equipment, you need to keep them running in top condition to avoid downtime. One way to ensure they are running optimally is by using clean, high-quality oil and hydraulic fluid.

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  • The 4 Most Common Causes of System Overheating - GPM

    The result is that it takes more pressure just to push the oil to the actuators to do the work. For example, 20 GPM will flow through a #10 SAE hydraulic hose at a fluid velocity of 20 feet per second, but if the hose is replaced by a #12 SAE, the fluid velocity drops to only 15 feet per second.

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  • How to Repair Caterpillar 320C Hydraulic Oil Overheating

    Hydraulic oil temperatures above 180°F (82°C) damage most seal compounds and accelerate degradation of the oil. While the operation of any hydraulic system at temperatures above 180°F should be avoided, oil temperature is too high when viscosity falls below the optimum value for the hydraulic system's components. This can occur well below 180°F, depending on the oil's viscosity grade. …

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  • CAT hydraulic oil overheat | Heavy Equipment Forums

    Dec 25, 2019 · Many excavators users get the trouble of hydraulic oil overheating when they operating,even it will cause thermal deformation,malfunction and affects the transmission accuracy of the hydraulic system,resulting in poor working quality of the components etc.Here,car-auto-repair.com post this solution for how to repair Caterpillar 320C hydraulic oil overheating oil overheating trouble.

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  • I have a cat 330cl excavator the hydraulic overheats in

    Jan 22, 2016 · Have a cummins 4bt3.9 in an excavator that continues to overheat. Radiator core has been replaced, thermostat replaced,water pump replaced, no air …

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  • Common Problem on CAT Excavator Hydraulic Motor (Secret

    Aug 14, 2018 · Failed Floating Face Seal. When CAT excavator track drive motors, like those on a Caterpillar 303 CR, come into the shop for repairs or re-manufacturing, the problem can often be traced to a leak between the sprocket and the back side of the hydraulic motor.That particular leak is caused by a failed floating face seal, also called a duo-cone seal or a mechanical face seal.

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  • Common fault analysis and troubleshooting of Komatsu …

    Oct 15, 2015 · It it is cooled by an external transmission cooler, it may also be blocked by dust. Oil flowing too fast through a cooler will not transfer the heat to the air so it may need a small restricter in the line /fitting to slow down the flow of the oil. excessive oil will froth up and over heat.

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  • Excavator Overheating Issue Fixed - YouTube

    Jun 26, 2019 · Excavator overheating alarm going off

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  • How to Solve Hydraulic System Overheating Problems - Fluid

    Dec 26, 2016 · Beat the Heat. There are only two ways to solve overheating problems in hydraulic systems: decrease heat load or. increase heat dissipation. Hydraulic systems dissipate heat, albeit a relatively small amount, through the reservoir. Therefore, check the reservoir fluid level and, if …

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  • What Causes Hydraulic Fluid to Overheat - Texas Final Drive

    Every hydraulic system is adversely affected by excessive heat. The impact of excessive heat in a hydraulic system can be particularly insidious because of the subtlety of its effects. Over time, excessive heat can lead to system damage due to seal failure as well as hydraulic fluid breakdown. It is important to remember that hydraulic fluid is critical to protection of the metal components in any system and its …

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  • I have a 2007 240x2 linkbelt excavator my hydraulic oil is

    I have a 2007 240x2 linkbelt excavator my hydraulic oil is overheating I have had the hydraulic pump rebuilt flushed the system had the oil cooler chemically cleaned when I operate the arm it stalls the engine what do I need to do. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The

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  • I have a cat 330cl excavator the hydraulic overheats in

    Jan 22, 2016 · Have a cummins 4bt3.9 in an excavator that continues to overheat. Radiator core has been replaced, thermostat replaced,water pump replaced, no air …

    Learn More
  • CAUSES OF HYDRAULIC PUMP OVERHEATING - Berendsen Fluid …

    Overheating is an abnormal condition that leads to destructive issues such as thinning of hydraulic fluid, which leads to reduced lubrication, metal-on-metal contact of …

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  • The 4 Most Common Causes of System Overheating - GPM

    The result is that it takes more pressure just to push the oil to the actuators to do the work. For example, 20 GPM will flow through a #10 SAE hydraulic hose at a fluid velocity of 20 feet per second, but if the hose is replaced by a #12 SAE, the fluid velocity drops to only 15 feet per second.

    Learn More
  • Domestic, Imported Excavator Hydraulic Oil Overheating

    The overheating of the hydraulic oil of the imported excavator will reduce the thermal stability and chemical stability of the hydraulic oil. The viscosity of the oil will decrease and increase the leakage, resulting in the aggravation of the wear and tear of the hydraulic pump, cylinder, valve and other components, which may cause the failure

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  • Common fault analysis and troubleshooting of Komatsu excavator

    Nov 15, 2018 · 1. Hydraulic system heating caused by external causes For example, the engine of the Komatsu PC200-7 excavate hydraulic pump is connected by a damping damper inside the shock absorber. When dealing with the thermal failure of an excavator hydraulic system, it was found that the oil level in the shock absorber greatly exceeded the oil level screw (usually about 1.5L), and these …

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  • Troubleshoot Hot Hydraulics - Efficient Plant

    Jul 08, 2015 · Any time oil flows from a higher to a lower pressure, heat is generated and absorbed in the oil. When a hydraulic system is designed, the reservoir and heat exchangers are sized to remove that heat—some of which is allowed to dissipate through the reservoir walls to the atmosphere. "Heat exchangers, if properly sized," Smiley noted

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  • How to Solve Hydraulic System Overheating Problems - Fluid

    Dec 26, 2016 · Beat the Heat. There are only two ways to solve overheating problems in hydraulic systems: decrease heat load or. increase heat dissipation. Hydraulic systems dissipate heat, albeit a relatively small amount, through the reservoir. Therefore, check the reservoir fluid level and, if …

    Learn More