When repairing the hydraulic cylinder of the CAT 336D excavator, we often see some honeycomb shaped holes on the inner wall of the hydraulic cylinder, piston or piston rod surface, which are all cause……
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……
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……
A used Caterpillar 320 excavator, when working for 3000 hours, experienced brake failure during the rotation of the upper turntable, causing the rotation to not stop in time; After continuing to work ……
1、 Maintain a certain height of electrolyte level According to usage requirements, the electrolyte level of used excavators should be 10-15mm higher than the electrode plate. When checking, first use ……
1. Always keep the battery in a fully charged state. To prevent the relative density of the electrolyte from decreasing and freezing, and to prevent shell cracking, electrode bending, and active subst……
Pipeline noise Excessive dead bends in pipelines or loose fixing clips can also generate vibration and noise. Therefore, in pipeline layout, dead bends should be avoided as much as possible, and loose……
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,……
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……
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……
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……
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……
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……
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……
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……
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……
(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……
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……
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……
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……
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……
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 ……
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……
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 ……
