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XR320D rotary drilling rig
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Product classification
- PRODUCT DETAILS
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The XR320D rotary drilling rig is equipped with a hydraulic telescopic crawler chassis and heavy-duty slewing bearings, making the whole machine highly stable. It adopts a large triangular luffing mechanism to ensure the stability of large-hole deep pile construction in hard strata. The front single-row rope main winch structure greatly extends the life of the wire rope and reduces the cost of use. The imported Cummins turbocharged engine has three-speed control, and users can choose the gear according to the working conditions, so that one drilling rig can achieve the effect of three engines. The power head has a normal mode and a rock entry mode, which are respectively used for soil and rock operations, improving construction efficiency.
XCMG XR320D rotary drilling rig performance features
1. Special hydraulic telescopic crawler chassis, heavy-duty slewing bearing, high stability of the whole machine;
2. The large triangular luffing mechanism is adopted to ensure the stability of large-hole deep pile hard stratum construction;
3. The front single-row rope main winch structure greatly extends the life of the wire rope and reduces the cost of use;
4. The imported Cummins turbocharged engine has three-speed control. Users can choose the gear according to the working conditions to achieve the effect of three engines with one drilling rig;
5. The power head has a normal mode and a rock entry mode, which are respectively for soil and rock operations, improving construction efficiency;
6. Optional winch pressurization and casing drive functions can meet the various needs of users;
7. Standard centralized lubrication system, more convenient maintenance.
XR320D 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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