What are the effects of excavator hydraulic oil entering the air?
2025-04-14
What are the effects of excavator hydraulic oil entering the air?

Air can also have a certain impact on the hydraulic oil of used excavator. When air enters the oil, it can create voids or cavitation, causing damage to the metal sealing material and even noise, whic……

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What are the aspects that affect the heat dissipation effect of excavators
2025-04-14
What are the aspects that affect the heat dissipation effect of excavators

1. Prevent the backflow of hot air during use The filling around the radiator is commonly known as "sponge". But it cannot be replaced by any 'sponge'. The requirements for hydraulic……

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What are the causes of water leakage in the water tank of the CAT 336 excavator?
2025-04-14
What are the causes of water leakage in the water tank of the CAT 336 excavator?

The reasons for the water tank leakage of CAT 336D excavator may include the following: Water pipe rupture: Water pipe rupture or small cracks may cause water tank leakage. If this situation is found,……

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Caterpillar 336D hydraulic excavator experiences high temperature alarm during summer
2025-04-14
Caterpillar 336D hydraulic excavator experiences high temperature alarm during summer

Caterpillar 336D excavators, like humans, are affected by summer heat waves every year. During the homework process, the temperature of the excavator increases with the outdoor environment temperature……

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What are the reasons for the generator malfunction of Caterpillar 336 excavator?
2025-04-14
What are the reasons for the generator malfunction of Caterpillar 336 excavator?

The possible causes and solutions for the malfunction of CAT 336 generator are as follows: Abnormal generator output voltage: If Carter displays abnormal generator output voltage, it may cause the loa……

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Reasons and solutions for oil leakage in the turntable of Caterpillar 336D excavator
2025-04-14
Reasons and solutions for oil leakage in the turntable of Caterpillar 336D excavator

1、 Reason for oil leakage of CAT 336D excavator turntable The oil leakage of the Carter excavator turntable may be due to the following reasons: 1. The sealing components are aging. Over time, the sea……

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Maintenance and Inspection of Cooling Components for Caterpillar 336 Excavator
2025-04-14
Maintenance and Inspection of Cooling Components for Caterpillar 336 Excavator

During the use of the Caterpillar 336D excavator, it is important to pay attention to the inspection and maintenance of the engine radiator, hydraulic oil cooler, and related components. Otherwise, it……

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Fault analysis of hydraulic system heating in Caterpillar excavator
2025-04-14
Fault analysis of hydraulic system heating in Caterpillar excavator

The heating phenomenon and hazards of the hydraulic system of the CAT 336 excavator. Hydraulic system heating is a common and complex soft fault in excavator operation. Under normal working conditions……

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How to install and adjust the speed control motor of Caterpillar 336DL excavator
2025-04-14
How to install and adjust the speed control motor of Caterpillar 336DL excavator

How to install and adjust the speed control motor of Caterpillar 336DL excavator? The steps are as follows: 1. Connect the wiring harness of the speed regulator motor to the computer connector; 2. Sta……

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Analysis of the Causes of Volvo Excavator Oil Pump Malfunction
2025-04-14
Analysis of the Causes of Volvo Excavator Oil Pump Malfunction

When a used excavator experiences an abnormal sound at the connection of the excavator oil pump during construction, the following steps can be taken to investigate the cause of the malfunction: Remov……

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What are the precautions when replacing the entire hydraulic fluid of an excavator
2025-04-14
What are the precautions when replacing the entire hydraulic fluid of an excavator

(1) The steps for replacing oil in the fuel tank, hydraulic plunger pump, boom cylinder, stick cylinder, bucket cylinder, swing motor, and left and right travel motors cannot be changed. Due to differ……

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Oil cylinder replacement method for CAT 336 excavator
2025-04-14
Oil cylinder replacement method for CAT 336 excavator

The hydraulic oil in the hydraulic oil tank of a used excavator is half of the total oil used in the hydraulic system of the entire machine, and the remaining half of the hydraulic oil is stored in th……

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What aspects should be paid attention to in the maintenance of the Carter 336D excavator on the rotary platform?
2025-04-14
What aspects should be paid attention to in the maintenance of the Carter 336D excavator on the rotary platform?

Regularly inspect and replace the filter element of the CAT 336 excavator filter In order to prevent dust and impurities contained in the added oil from entering the main parts of the machine, protect……

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Analysis of Five Reasons for Heating in the Hydraulic System of Komatsu PC200 Excavator
2025-04-14
Analysis of Five Reasons for Heating in the Hydraulic System of Komatsu PC200 Excavator

For such faults, it is generally recommended to start with an internal analysis of the hydraulic system from the outside. The internal reasons are mainly caused by unreasonable system design. Due to f……

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What are the reasons for the unstable speed of the CAT 320D excavator
2025-04-14
What are the reasons for the unstable speed of the CAT 320D excavator

Cat 320D excavator fuel system issue: Fuel system failure is one of the main reasons for unstable engine speed. Fuel filter blockage, insufficient fuel pump pressure, and clogged fuel injectors can al……

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What are the main reasons why the generator of Carter 320D excavator does not generate electricity?
2025-04-14
What are the main reasons why the generator of Carter 320D excavator does not generate electricity?

The main reasons why the generator of the CAT 320D excavator does not generate electricity include the following: Battery failure: Aging or damage to the battery can result in insufficient power suppl……

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What are the reasons for the unresponsive start of the Carter 320 excavator
2025-04-14
What are the reasons for the unresponsive start of the Carter 320 excavator

CAT 320 excavator battery voltage insufficient: Check if the battery voltage is normal. Low voltage can cause difficulty starting. Starter malfunction: Check if the starter is working properly. If the……

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What should be done if the CAT 320d excavator fails to start?
2025-04-14
What should be done if the CAT 320d excavator fails to start?

When the CAT 320d excavator is stuck, the first thing to check is the vehicle's fuel system. Check if the fuel filter is clogged. If any accumulated impurities or sediment are found, it should be ……

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What are the causes and solutions for oil leakage in the distribution valve of Caterpillar 336D excavator?
2025-04-14
What are the causes and solutions for oil leakage in the distribution valve of Caterpillar 336D excavator?

1、 Reasons for oil leakage in the distribution valve of CAT 336D excavator Distribution valve oil leakage refers to the leakage of engine oil from the distribution valve due to aging, wear, or damage ……

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Control principle of electric control system for Komatsu 200 excavator
2025-04-14
Control principle of electric control system for Komatsu 200 excavator

In recent years, with the development of electro-hydraulic control technology, electronic control systems have become a component of electronic load sensing control systems and have been widely used i……

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CAT 336D excavator alarm, insufficient oil pressure, unable to start after stalling. What’s going on
2025-04-14
CAT 336D excavator alarm, insufficient oil pressure, unable to start after stalling. What’s going on

Caterpillar 336D excavator alarm oil pressure electrical system malfunction 1. The battery is low, so it is necessary to charge the battery in a timely manner, check the battery liquid level, and repl……

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What is the reason for the Caterpillar 336D excavator engine not starting?
2025-04-14
What is the reason for the Caterpillar 336D excavator engine not starting?

Common causes of engine failure to start on CAT 336D excavator: 1. The fuel injector is damaged. 2. The fuel injection pump coupling is damaged. 3. The flywheel ring gear is damaged. 4. The timing gea……

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What are the reasons for the increased fuel consumption of the CAT 336 excavator engine
2025-04-14
What are the reasons for the increased fuel consumption of the CAT 336 excavator engine

1、 Insufficient engine power 1. Engine aging: With the increase of usage time, the internal parts of the engine wear severely, resulting in a decrease in power and an increase in fuel consumption. 2. ……

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What are the reasons for the malfunction of the starting motor of CAT 336 excavator
2025-04-14
What are the reasons for the malfunction of the starting motor of CAT 336 excavator

The reasons for the malfunction of the starting motor of the CAT 336 excavator may include the following: Insufficient battery power or virtual or disconnected starting circuit: Insufficient batt……

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