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  • Service Videos - Bobcat Company

    Service Videos. Regular maintenance can extend the life of your compact loader, compact excavator, compact tractor and Toolcat. Protect your investment by learning how to perform regular maintenance yourself. Check out our Service Videos below to learn how you can keep your machine running longer without a lot of downtime.

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  • I am looking to know what the pilot pressure should be on

    Apr 08, 2016 · I am looking to know what the pilot pressure should be on a 2009 cat m313d wheel excavator and how to adjust it. thanks. - Answered by a verified Mechanic. We use cookies to give you the best possible experience on our website.

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  • How do you adjust track tension on an excavator

    How do you adjust track tension on an excavator? Tension adjustments are made by pumping or draining grease through the track adjuster valve. Jason Goodson, Regional Service Manager for Hyundai Construction Equipment Americas shares some easy steps for achieving proper track tension for your crawler excavator.

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  • How to Property Set Relief Valves - Quality Hydraulics

    How to Properly Set Relief Valves. By Bob Wojcik. Stand-alone relief valves are relatively simple to set properly. After installing a relief valve in a circuit, with the pressure port connected to the pressure line and the tank port connected directly to the reservoir, adjust …

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  • Hydraulic Pump Basics Hydraulic Pump Purpose

    except the pressure limiter adjustment is done with an external relief valve. Hydraulic Pump/Motor Division As Pump Pressure reaches setting of remote relief valve, the pressure in the differential spring chamber is limited and the spool shifts to destroke the pump.

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  • ADJUSTING SYSTEM RELIEF PRESSURE 02

    If pressure if not at desired level, locate the return manifold in the pedestal. See Figure 4 for an image of this manifold. Adjust clockwise to increase the setting; or adjust counterclockwise to decrease the setting. Set the pressure to value listed on the unit-specific placard. Figure …

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  • In-cab Excavators Controls Boost Attachment Productivity

    Aug 14, 2017 · Volvo excavators also adjust the response mode for the attachment, allowing a choice between soft, normal or active response. One difference on the …

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  • Yanmar vio35-5 Thumb circuit pressure adjustment to run

    Jan 20, 2019 · Last thing to try before tear down is hydraulic pressure adjustment which runs off the thumb circuit. The gauge plugged in at the quick connect reads approx. 1950 psi. To the best of my knowledge the hammer should have about 2700. Wondering if the 700 or so PSI could be a cause of the hammer not working and if so, any tips as to the adjustment.

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  • I am looking to know what the pilot pressure should be on

    Apr 08, 2016 · I am looking to know what the pilot pressure should be on a 2009 cat m313d wheel excavator and how to adjust it. thanks. - Answered by a verified Mechanic. We use cookies to give you the best possible experience on our website.

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  • How to adjust track tension on a mini excavator

    Learn how to adjust track tension on your mini excavator. This short video on 'track tension adjustments for mini excavators' will help you get longer life out of your tracks. The Dirt Ninja is Tom Gardocki, an equipment operator and job foreman at his family's business in New Hampshire.

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  • Excavator Main Hydraulic Pump Receiving Pressure & …

    Apr 09, 2019 · Prosedur setting/adjusmentEngine/mesin full trottleOil temperature 45-55°Cmode Psaat boom rise reliefhight pressure saat heavy lift Onlow pressure saat heavy

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  • Deere 490E hydraulic problems

    Aug 09, 2015 · Apparently the hydraulics were slow or something. They rebuilt the pump I'm told. Boom raises very very slowly, bucket and stick work but also very slow, will not swing. Also I'm assuming the throttle actuator is bad or has an electrical problem because the throttle is wired open. I've gathered that the swashplate angle sensor can be a problem

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  • How to increase pressure in a hydraulic system - Quora

    Answer (1 of 3): One way is to use a pump with a higher pressure rating. The pressure in a system is, first and foremost set by the load. If the pump cannot produce the pressure the load requires, if it's a fixed displacement pump, then the system relief valve limits maximum pressure. That valve

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  • Skid-Steer Loaders For Sale | GovPlanet

    Used Skid Steer Loaders for sale. With hundreds of parts and fully assembled machines, GovPlanet offers you excellent choice. You can buy and sell Skid Steer Loaders from any all manufacturers, including brands such as Bobcat, Case, Cat, John Deere. Browse the latest Skid Steer Loaders available in our auctions, including Skid Steer Loader.

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  • John Deere 160LC Excavator Technical Manual (Operation and

    John Deere 160LC Excavator workshop diagnosis & test technical manual includes: * Numbered table of contents easy to use so that you can find the information you need fast. * Detailed sub-steps expand on repair procedure information * Numbered instructions guide you …

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  • Crawler excavator R 946 - Liebherr

    Crawler excavator R 946 Motor: 220 kW / 299 HP Stage IV / Tier 4f Operating Weight: 38,750 – 47,800 kg Bucket Capacity: 1.00 – 3.00 m3

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  • How do i change the hydraulic pressure on a 321 excavator

    How do i change the hydraulic pressure on a 321 excavator - Answered by a verified Technician We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described …

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  • SETTING/ADJUSTMENT MRV(MAIN RELIEF …

    Jun 27, 2011 · Hi willie, well i would like a bit more digging force. The pump pressure on my yanmar vio 45-5 is 3130 psi and on the 55-5 its 3555 psi but both machines have the same motor and pump, the only difference is the 55-5 counter weight is 470 kg heaver then the 45-5 and the arm is 300 mm longer.

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  • When and How to Adjust a Load-sensing Hydraulic Pump

    Adjusting Pressure- compensating Pumps. Adjusting a pressure-compensating pump is quite simple. With all flow blocked and the system idle, the compensator valve is adjusted to the desired pressure. However, some pressure-compensating pumps have two valves mounted on the pump body. The two adjustments can look nearly identical.

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  • Komatsu excavator pilot pressure system and sensor

    Nov 15, 2018 · In fact, about 70% of the failures are caused by poor management. Rotate the screw as follows to adjust the pressure clockwise to increase the pressure counterclockwise to reduce the pressure After adjustment, tighten the lock nut (1). Excavator Repair | Excavator Repair | Repair Excavator | Repair Excavator | Hydraulic Excavator Repair |

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