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XR240E rotary drilling rig
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Product classification
- PRODUCT DETAILS
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The XR240E rotary drilling rig is a multi-functional machine that can quickly switch between functions such as cylinder pressurization, winch pressurization, pipe twisting machine, long spiral, and dual power heads to meet more different engineering construction needs.
XCMG XR240E rotary drilling rig performance features
1. One machine with multiple functions, it can realize rapid switching of functions such as cylinder pressurization, winch pressurization, pipe rolling machine, long spiral, and dual power heads to meet more different engineering construction needs;
2. Equipped with Isuzu electronically controlled turbocharged engine, it has lower fuel consumption and convenient and fast service;
3. The working performance of the power head and main winch is improved by 20%, and the operating efficiency is higher;
4. The power head can be equipped with a torque multiplier (optional), the casing drive torque reaches 360kN•m, and the casing lowering ability is stronger;
5. The main and auxiliary winches both use single-row rope technology, the wire rope life is 2~4 times longer than the multi-layer rope, and the use cost is lower;
6. The double-arm large parallelogram variable-length mechanism has a large support angle, a support range increased by 16%, and a more stable operation;
7. The main hydraulic system adopts negative flow control technology, which has fast response and good control performance;
8. The high-power temperature-controlled independent hydraulic oil cooler meets the construction requirements in high-temperature areas, and can adjust the fan speed as the temperature changes to achieve energy saving;
9. The intelligent control system realizes the functions of automatic adjustment and display of the verticality of the drill mast, automatic rotation, automatic soil dumping, automatic lifting and pouring of the long spiral method, and pile type display. The bus panel design is adopted to prevent misoperation;
10. The chassis can be equipped with transport legs (optional), which can be remotely controlled to make transportation and transfer easier and safer.
XR240E rotary drilling rig
Product classification
PROVIDE HIGH-QUALITY SECOND-HAND CONSTRUCTION MACHINERY AND EQUIPMENT TO CUSTOMERS AROUND THE WORLD
Annual Sales Volume
Selling to more than 60 countries
Cumulative service customers
FAQ
A common fault troubleshooting for engine failure to start
Rotary Drilling Rig Engine Failure to Start (Fuel Pump Fault)
I. Basic Case Information
- Product: Rotary Drilling Rig
- Model: XCMG XR220D
- Working Hours: 3400
II. Fault Phenomenon
The engine fails to start.
III. Fault Analysis
- The starting motor circuit and key switch circuit were inspected and found to be normal.
- The diesel oil circuit from the fuel tank to the engine was checked for blockage, along with the fuel filter element; both were normal.
IV. Troubleshooting Process
- The oil inlet pipe of the fuel pump was removed, and a large oil output was observed. The hard pipe on the engine common rail was removed for inspection, and a small oil output was found.
- The high-pressure fuel pump was disassembled and cleaned, revealing severe internal wear and impurities such as oil sludge.
- The worn eccentric shaft inside the pump was replaced, and internal impurities were cleaned; the engine started normally afterward.
V. Fault Cause (Conclusion)
Severe internal wear of the fuel pump resulted in failure to build up sufficient fuel pressure, which could not meet the fuel supply pressure required for normal engine start.It is recommended that the customer use higher-quality diesel, replace the filter element in a timely manner, and clean the fuel tank regularly.
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