DOOSAN wheel excavators from Europe

  • How to "warm up" your excavator - Welchanparts

    Once the temperature of the hydraulic oil rises to about 60 degrees, the operation starts slowly. First, look at the cleanliness of the hydraulic oil. The oil return filter and the cleanliness of the oil filter are checked and judged. Brick home reminder: the hydraulic oil commonly used in excavators is No. 46.

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  • Which Hydraulic Oil? - Insider Secrets to Hydraulics

    Sep 27, 2021 · What is the normal operating temperature of hydraulic oil? 1) Operating hydraulic oil viscosity (at normal operating temperature) be selected in the range of 81 to 167 SUS (17 to 35 cSt). How do you heat up hydraulic oil? The usual method for heating hydraulic fluid is to use a screwplug heater, with a size and wattage to fit your application.

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  • OPERATOR OVERVIEW GUIDE FOR THE HYDRAULIC BREAKER

    • Check the oil temperature constantly. Temperature of the hydraulic oil must never exceed 80ºC. If higher temperatures are measured in the tank, an oil cooler must be fitted. • At temperatures lower than minus 20ºC, the breaker should not be operated with cold hydraulic oil, the seals in the Thebreaker may be damaged. Warm the

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  • Common Causes Of Hydraulic Overheating - CrossCo

    The operating temperature range of the excavator is the factor that will determine whether I use a multigrade or monograde oil. If my excavator is required to operate in freezing temperatures in winter and tropical conditions in summer, then multigrade oil will be required to maintain oil viscosity within optimum limits across this wide

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  • The hydraulic cylinder for excavator arm | HUITONG

    Oct 08, 2021 · Published by HuiTong Kefid. Friends engaged in construction machinery must be often troubled by the problem of oil leakage in the hydraulic cylinder. For excavators, once the hydraulic cylinder leaks, there will be slow lifting and insufficient digging force. This greatly affects the normal work of the excavator and reduces the work

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  • How Do You Check Hydraulic Fluid On A Excavator

    Sep 27, 2021 · 1) Operating hydraulic oil viscosity (at normal operating temperature) be selected in the range of 81 to 167 SUS (17 to 35 cSt). How do you heat up hydraulic oil? The usual method for heating hydraulic fluid is to use a screwplug heater, with a size and wattage to fit your application.

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  • What Causes Hydraulic Fluid to Overheat - Texas Final Drive

    Oct 11, 2018 · Hot hydraulic fluid can be one of the causes of an overheating final drive motor. If your hydraulic fluid is running at a higher than normal temperature then it can cause problems for your entire hydraulic system. In this Shop Talk Blog post, we are going to …

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  • What are the reasons for the high oil temperature of the

    Nov 23, 2021 · For example, in winter, you need to choose a higher viscosity oil to ensure the normal operation of the excavator. 4. The hydraulic system of the excavator is faulty. For example, if the safety valve overflows abnormally, the oil temperature will rise abnormally. The excavator engine will be overloaded for a long time, or the hydraulic pump

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  • Effects of Temperature on Hydraulic Systems - MAC Hydraulics

    Aug 02, 2019 · Effects of High Temperatures on Hydraulic Systems. When hydraulic fluids and lubricants are exposed to high temperatures for extended periods of time, the fluids will begin to experience permanent deterioration and a severe reduction in viscosity (i.e., the …

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  • Analysis of fever in Komatsu hydraulic system-Kunshan

    Jul 09, 2018 · Under normal working conditions of Komatsu PC200/400 excavator, the oil temperature of the hydraulic system should be below 60oC (the temperature of the oil pump is 5-10oC higher than that). If it exceeds a lot, it is called heating of the hydraulic system.

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  • Solving Hydraulic System Overheating Problems

    Aug 21, 2018 · The average person can hold their hand on a tank that is about 140° F maximum. Tougher guys, of course, welders, those guys, will always do a little more. If you can't keep your hand on it, you need to start looking for a number.

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  • What are the reasons for the high oil temperature of the

    Nov 23, 2021 · For example, in winter, you need to choose a higher viscosity oil to ensure the normal operation of the excavator. 4. The hydraulic system of the excavator is faulty. For example, if the safety valve overflows abnormally, the oil temperature will rise abnormally. The excavator engine will be overloaded for a long time, or the hydraulic pump

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  • RENOLIN XtremeTemp High Performance Hydraulic Fluid

    excavator in which the machine was unloaded at 180° from a distance of 30 meters. This work cycle was constantly repeated. RENOLIN XtremeTemp 46 was compared with conventional hydraulic oil for this application. Field test: At full load, the fuel consumption of the excavator was 20l per hour using conventional hydraulic oil.

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  • Talking About All The Actions Of The Excavator Can't Move

    Oct 20, 2021 · All actions of the excavator cannot be moved. main cause: (1) Serious shortage of hydraulic oil (2) The security lock cannot be released (3) Diagnosis process of pilot pump failure, coupling damage and pump shaft fracture: Step 1: check whether the hydraulic oil level is normal and supplement the hydraulic oil if necessary.

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  • ISO Liming-100 Hydraulic Oil Temperature Range

    ISO Liming-100 Hydraulic Oil Temperature Range

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  • Komatsu PC60-7 excavator hydraulic oil temperature is high

    Nov 15, 2018 · Komatsu PC60-7 excavate machine hydraulic oil (Hydraulic) high temperature, slow down each action Phenomenon: After 4,600 hours of Komatsu 60-7 excavator work, the temperature of the digging machine increased, the movement slowed down, the radiator was cleaned, and the main pump was repaired (the top of the main pump was a little worn (a basic type of component failure), Changed …

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  • Hydraulic oil: How hot is too hot? - Mobile Hydraulic Tips

    Nov 23, 2021 · For example, in winter, you need to choose a higher viscosity oil to ensure the normal operation of the excavator. 4. The hydraulic system of the excavator is faulty. For example, if the safety valve overflows abnormally, the oil temperature will rise abnormally. The excavator engine will be overloaded for a long time, or the hydraulic pump

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  • Hydraulic fluid temperature range

    Feb 27, 2017 · Hydraulic fluid selection criteria include the expected range of operating temperatures, available means of temperature control and fluid physical properties at expected temperature levels. Where ambient and structural temperatures are above hydraulic fluid flash and/or fire points in a compartment, the potential fire hazard must be considered.

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  • How To Check Hydraulic Oil Level On An Excavator | Mr Dig

    Aug 13, 2019 · If unsure of the hydraulic oil level of an excavator due to a cloudy sight class, or poor lighting, always double-check. This might mean physically removing the hydraulic oil cap on the tank to confirm the level is correct. Taking the time to ensure oil levels are correct is an important element of good maintenance routines.

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  • Operating & Maintenance Manual

    The operation does not fit the normal mode When the oil temperature is high, do not dismantle the oil tank cap. XE210C Hydraulic Excavator Operating and Maintenance Manual 17 Safety rules Only the personnel trained and guided can operate and maintain the machine.

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