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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What are the common fault phenomena of the injector assembly of Caterpillar 336 excavator?
2025-04-14
What are the common fault phenomena of the injector assembly of Caterpillar 336 excavator?

1.Poor fuel atomization Poor fuel atomization is one of the common faults of the injector assembly of the CAT 336D excavator, which is manifested by the decrease of diesel engine power, emission of bl……

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What are the reasons for the slow walking speed of the CAT 320D excavator?
2025-04-14
What are the reasons for the slow walking speed of the CAT 320D excavator?

The reasons for the slow walking speed of the CAT 320 excavator may include the following: Engine problem: Insufficient engine power or malfunction may cause slow walking speed. Check if the power out……

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What are the main reasons for hydraulic pump oil leakage in Carter 320D excavator?
2025-04-14
What are the main reasons for hydraulic pump oil leakage in Carter 320D excavator?

1. Aging or damage of hydraulic pump seals for Caterpillar 320D excavator: Seals of hydraulic pumps, such as oil seals and gaskets, may lose their sealing performance due to aging, wear, or improper i……

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Reasons and troubleshooting of oil burning in Komatsu 200 excavator
2025-04-14
Reasons and troubleshooting of oil burning in Komatsu 200 excavator

The phenomenon of oil burning in the engine of the Komatsu pc200 excavator is one of the common excavator faults. Here, I will analyze the causes of oil burning in the Komatsu excavator engine and pro……

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How to empty the air from the diesel of the Carter 320 excavator
2025-04-14
How to empty the air from the diesel of the Carter 320 excavator

Use a screwdriver or wrench to unscrew any of the exhaust screws on both sides of the fuel injection pump of the CAT 320D excavator several times, and manually press the hand pump until the diesel is ……

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Solution to hydraulic pump oil leakage of Komatsu 130 excavator
2025-04-14
Solution to hydraulic pump oil leakage of Komatsu 130 excavator

Check the spindle oil seal: Damaged or aged spindle oil seals are one of the main causes of oil leakage. If the oil seal is found to be damaged, it needs to be replaced in a timely manner. In addition……

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What are the fault codes for Hitachi excavator 200-3?
2025-04-14
What are the fault codes for Hitachi excavator 200-3?

Hitachi 200 excavator fault code: 11100-2 engine speed abnormality 11101-3 Engine Speed Control Knob Sensor High Voltage Abnormal 11101-4 Engine Speed Control Knob Sensor Low Pressure Abnormal 11200-3……

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What is the reason for the Carter 336 excavator rotary brake not working?
2025-04-14
What is the reason for the Carter 336 excavator rotary brake not working?

There may be several reasons why the CAT 336 excavator can not rotate the brake: 1.There is air in the brake fluid pipe: brake fluid is the medium of the brake system transmission, if there is air in ……

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What are the reasons for the high water temperature of the CAT 320D excavator?
2025-04-14
What are the reasons for the high water temperature of the CAT 320D excavator?

Check if the coolant level has significantly decreased, and if so, add an appropriate amount. Or check if the coolant has deteriorated. If it deteriorates, it is necessary to clean the waterway and re……

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The main reason why the CAT 320D excavator cannot move on one side
2025-04-14
The main reason why the CAT 320D excavator cannot move on one side

1.Fault in the overflow valve of the 320 excavator motor: The overflow valve is an important component in the walking system. If it malfunctions, it may cause power transmission to be blocked, affecti……

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How about the Caterpillar 336d excavator engine?
2025-04-14
How about the Caterpillar 336d excavator engine?

The engine is the heart of construction machinery and plays a vital role in the operation of the machinery. As one of the models, the Carter 336D engine has been widely used in construction machinery ……

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How to reduce wear when excavator crawler is walking
2025-04-14
How to reduce wear when excavator crawler is walking

The walking part of the excavator is composed of sprockets, supporting wheels, driving wheels and rail chain links. After running for a certain period of time, these parts will show a certain degree o……

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How to improve the working efficiency of excavators in earth-moving work
2025-04-14
How to improve the working efficiency of excavators in earth-moving work

Digging is one of the main tasks of an excavator. Today, I will share with you 5 tips on how to improve work efficiency during digging. used Excavator loading First, when digging, the arm cylinde……

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The main reason for white smoke emission from the engine of CAT 320D excavator
2025-04-14
The main reason for white smoke emission from the engine of CAT 320D excavator

Improper or incorrect operation: Incorrect operation may cause white smoke from the engine of the Caterpillar 320D excavator. Fuel supply issue: Poor fuel supply or poor fuel quality may result in whi……

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What is the reason for oil leakage in the distribution valve of the CAT 320 excavator?
2025-04-14
What is the reason for oil leakage in the distribution valve of the CAT 320 excavator?

The main reasons for oil leakage in the distribution valve of the CAT 320 excavator include the following aspects: Aging or damage of seals: Long term use and the impact of the working environment can……

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What are the reasons why the display screen of CAT 320 excavator does not light up
2025-04-14
What are the reasons why the display screen of CAT 320 excavator does not light up

Caterpillar 320 excavator power failure: The power supply to the display screen may have malfunctioned, causing the display screen to malfunction. Usually, the display screen may need to replace the p……

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Reasons and solutions for high hydraulic oil temperature of CTA 320 excavator
2025-04-14
Reasons and solutions for high hydraulic oil temperature of CTA 320 excavator

1、 The reason for high hydraulic oil temperature of CAT 320 excavator The main reasons for the high temperature of hydraulic oil in Carter excavator are as follows: 1. Long continuous working hours; 2……

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What is the SY215 excavator from Sany Heavy Industry
2025-04-14
What is the SY215 excavator from Sany Heavy Industry

    Sany Heavy Industry SY215H excavator is a high-quality construction machinery equipment. This excavator adopts advanced technology and innovative design, with excellent working performan……

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Troubleshooting of Slow Movement of CAT 320B Excavator
2025-04-14
Troubleshooting of Slow Movement of CAT 320B Excavator

CAT 320B excavator is used at an altitude of 4850m, with a high and cold climate, low oxygen, and abnormal changes. During the construction process, the machine suddenly showed that the whol……

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