24V 12V Backpack Type Portable Air Conditioner for Excavator Truck

  • Most Common Diesel Engine Overheating Causes and Symptoms

    May 31, 2019 · Diesel Engine Overheating Symptoms and Causes. 1. Coolant Leaks. Coolant Leaks are the primary cause of overheating in diesel engines and can be easily identified, as you will notice either a low coolant level or an excessive amount of bubbles in the coolant. This can be a result of engine components, such as the cylinder head, expanding due to

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  • 3 Ways to Avoid Burning Out Your Well Pump | Raleigh …

    3. The mechanical failure of the pump causes the motor to be overloaded, and the current is too large to burn the coil. 4. The heat dissipation of the motor is a problem. Generally, the motor coils are air-cooled and the submersible pump is a water-cooled casing.

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  • Fuel Pump Relay 🏎️ Symptoms And How To Diagnose It

    Sep 23, 2021 · Burning. The worst of the symptoms, a burning fuel pump relay is caused due to high voltage or current. Fortunately, this is a very rare incident. You cannot DIY a fix for this repair thus, you have to bring the vehicle to a certified professional as soon as possible.

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  • 7 CAUSES OF FAILURE SUMP PUMP - Ann Arbor, Michigan

    A common cause of sump pump failure is motor burn out. The voltage from the supply increases until the pump is overheated and shuts off. This can happen when the sump pump is being overworked, due to a poor quality or an undersized pump. If the sump pump's motor is too small, the water might be entering the basin or pit faster than the pump can

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  • Why CAT320C Caterpillar excavator exhaust blue smoke? How

    Jul 19, 2019 · "CAT320C Carter excavator (excavator) exhaust blue smoke" fault repair: 1 On-site test machine to confirm the diagnosis. 2 Open the mailbox to check the oil level. The oil level of the oil pan is below the rule standard ruler, and the cause of the problem is 1. 3 Check the carbon deposit in the Piston ring and replace the oil ring.

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  • What are the reasons for the slow action of excavator

    What are the reasons for the slow action of excavator

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  • How to identify faults through abnormal sound of excavator

    Dec 24, 2020 · The excavator is made up of steel parts, which is a large Iron man. As for the abnormal noise of the excavator, many old drivers think it is a harmless problem. The insufficient oil level may cause the main pump to empty and produce abnormal noise when working load. The reasons for the easily burn-out of excavator controller and monitor

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  • The main reasons for black smoke of engine - JYHY DIESEL

    Oct 26, 2016 · C, pump mechanical failure caused by motor overload, the current is too large and burn coil. D, the heat of the motor problems. General motor coil are air-cooled shell, submersible pump is water-cooled housing. Large-scale use of air-to-air heat exchanger, air-water heat exchanger cooling.

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  • Here's why your hydraulic pump is getting hot.

    The output power of the engine is too low, and the lack of power will lead to the low output power, and then the excavator will hold the car, making the whole excavator move slowly. In addition, check whether there is black smoke in the motor.

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  • 11 Ways to Destroy Your Pool Pump - InTheSwim Pool Blog

    Feb 17, 2018 · WRONG PUMP WIRING. Problem: Incorrect voltage, wire size or wiring. High or low voltage over time can stress the motor, or just flat burn it out, causing a short across the windings or blowing out the capacitor repeatedly. Pool motors are available in 120V and 240V (only), and also 120V/240V, known as reversible motors, able to accept either

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  • 6 Reasons Why Mechanical Seals Fail - Crane Engineering

    Improperly starting the pump can cause the motor to trip and the shaft to twist causing orbital movement, resulting in internal parts contact, seal failure, and shortened bearing life. Improperly installing the mechanical seal will cause damage to elastomers (o-rings or boots), along with a wide variety of other issues, as pictured to the right.

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  • Signs Your Hydraulic Pump Could Be Failing | Lightning Bay

    Apr 09, 2018 · The pump is probably the component most subject to wear in a hydraulic system, and the one most likely to cause a sudden or gradual failure in the system. Pump trouble is usually characterized by increased noise, increased heat, erratic operation of cylinders, difficulty or inability to develop full output, decreased speed of cylinders or

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  • Failure Analysis Of Blue Smoke in Kobelco Excavator - News

    Sep 16, 2021 · Failure Analysis Of Blue Smoke in Kobelco Excavator Sep 16, 2021. Cause of blue smoke from excavator: 1. The cold car emits blue smoke. It may be that the fuel injection nozzle is stuck, or the diesel pump needs to be calibrated. A. The valve oil seal is not well sealed. B. There is a problem with the water separator. C.

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  • Why does the centrifugal pump appear to burn the motor

    3. The mechanical failure of the pump causes the motor to be overloaded, and the current is too large to burn the coil. 4. The heat dissipation of the motor is a problem. Generally, the motor coils are air-cooled and the submersible pump is a water-cooled casing.

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  • Why Does Hitachi ZX470LCR-3 Excavator Burn Engine Oil

    Mar 23, 2021 · The six main reasons why excavators burn engine oil are as follows: 1. Use engine oil of poor quality or viscosity grade that does not meet the requirements. Low oil quality grades will lead to increased wear and tear, resulting in oil burning. 2.

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  • The reasons for the easily burn-out of excavator

    Sep 10, 2016 · The attention for the following several aspects may reduce the possibility of burn-out of electric parts for excavators in the daily operation of the excavators. Firstly, Battery pil e is badly connected, and contact surface is oxidized, which will lead to the increase of damage for excavator controller and monitor. It is same to the principle for the household appliances, which means if the …

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  • DEKA | Common maintenance problems about Kobelco excavator

    A: (1) check excavator walking crawler excavator deviation tightness is consistent;(2) for detection of excavator walking pump hydraulic pump pressure is in the normal range, if the pressure value exceeds the standard value of digging machine will be generated within the leak, then there will be a part of the high pressure oil back to the oil return pipe, it will cause a unilateral weakness in

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  • Finding the Cause of Solenoid Coil Burn-Out - Womack

    Perhaps occasionally a coil on a solenoid valve may burn out because of a defect in its manufacture. But usually the cause can be traced to some abnormal condition either in operating conditions of the machine on which the valve is installed, or to unusual environmental conditions.

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  • 7 Common Causes of O-Ring Failure | C&B Equipment

    O-ring seals are some of the most common seals used in machine design.They prevent the loss of fluid and gas and are incredibly inexpensive, easy to make, reliable, and have simple mounting requirements. Although O-rings are designed to be seated in a groove and compressed between two or more parts, they vary drastically in cross-sectional shape, color, hardness (durometer), and curing method.

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  • Why does the excavator suddenly lose speed or flameout

    In addition, problems with the oil pump will also reduce the engine power. It is usually necessary to calibrate the oil pump and replace the plunger nozzle. 2. Insufficient air intake of engine. This problem can also be caused when the engine air intake of the excavator is insufficient.

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