Product Introduction
This all-inclusive LGF-1000 mud pump package includes three core segments: a full set of special maintenance tools for safe, efficient disassembly and assembly, a 12-month recommended parts list covering all high-wear fluid end and power end components, and critical spare parts for emergency repairs, paired with official assembly drawings for technical guidance. Every part and tool is manufactured to match OEM specifications, eliminating compatibility issues and ensuring seamless use with LGF-1000 mud pumps. The curated annual parts selection accounts for typical wear rates in standard drilling conditions, while the specialized tools are built for heavy-duty field use, making this kit the ultimate one-stop solution for annual mud pump maintenance planning.
Functional Description
- Preventive Maintenance Support: The one-year recommended parts cover all routinely replaced components (valve assemblies, liners, pistons, seals, etc.), eliminating the need for last-minute part sourcing and ensuring scheduled maintenance stays on track.
- Efficient Repair Operations: Special tools including liner pullers, hydraulic valve pullers, and custom sleeves enable safe, damage-free disassembly of tight-fitting components, reducing repair time and preventing collateral damage to pump parts.
- Emergency Fault Resolution: Spare parts such as O-rings, oil seals, shear pins, and air bladders address sudden, common failures, getting the mud pump back online quickly to avoid drilling delays.
- Technical Guidance: Included official assembly drawings provide clear disassembly/assembly instructions, reducing human error during maintenance and ensuring proper component alignment.
- Multi-Size Compatibility: Liners, pistons, and sleeves in multiple sizes accommodate different drilling fluid requirements and operational configurations of the LGF-1000 pump.
Structural Characteristics
- High-Strength Tool Construction: Special sleeves and extension bars are forged from 35CrMo alloy steel with high tensile strength (≥750MPa), while heavy-duty pullers use welded steel construction for maximum durability under high torque.
- Wear-Resistant Pump Components: Bi-metal liners feature a high-chromium wear layer (hardness ≥HRC 62), valve rubbers and piston seals use oil-resistant, high-elasticity synthetic rubber, and all fasteners meet OEM precision threading standards.
- Custom-Fit Tool Design: Each tool is precision-machined to fit LGF-1000 pump components perfectly, avoiding slippage or damage during maintenance and ensuring proper force distribution during disassembly.
- Standardized Spare Parts: All seals, O-rings, and gaskets comply with national and international standards (GB/T, API), ensuring consistent fit and sealing performance; wearable parts are pre-sized to match OEM pump cavities.
Applicable Operating Conditions
This LGF-1000 mud pump annual parts and tools kit is engineered for universal compatibility with the pump’s operating environments, including:
- Onshore oil & gas drilling rigs (vertical, directional, horizontal, and geothermal well applications)
- Heavy-duty water well drilling, mining slurry pumping, and large-scale construction foundation drilling
- High-pressure drilling operations up to 7500 PSI, matching LGF-1000 OEM performance ratings
- Abrasive drilling fluids (high sand, silt, and shale content) and corrosive water-based mud systems
- Ambient temperatures ranging from -25°C (-13°F) to 75°C (167°F), suitable for extreme climate drilling sites
We supply the following spare parts:
| NO. | Drawing No. | Descriptions | Material | Unitweight | Totalweight |
| 1 | LGF3101-25.01 | Sleeve 2” | 35CrMo | 1.34 | 1.34 |
| 2 | LGF3101-25.02 | Sleeve 2-3/16″ | 35CrMo | 1.5 | 1.5 |
| 3 | LGF3101-25.03 | Sleeve 2-3/8” | 35CrMo | 1.7 | 1.7 |
| 4 | LGF3101-25.04 | Sleeve 3-3/8” | 35CrMo | 2.0 | 2.0 |
| 5 | LGF3101-25.05 | Joint 1” | 35CrMo | 0.38 | 0.38 |
| 6 | LGF3101-25.06 | Extension bar 8” | 35CrMo | 1.6 | 1.6 |
| 7 | LGF3101-25.07 | Extension bar 24 “ | 35CrMo | 2.35 | 2.35 |
| 8 | LGF3101-25.08.00 | Liner plug puller | welded | 2.5 | 2.5 |
| 9 | LGF3101-25.09.00 | Valve stem guide handling tool | welded | 0.81 | 0.81 |
| 10 | LGF3101-25.10.00 | Liner retainer puller | welded | 2.7 | 2.7 |
| 11 | LGF3101-25.11.00 | Hydraulic valve puller | welded | 73.4 | 73.4 |
| 12 | LGF3101-25.12 | Transition taper sleeve | 35CrMo | 1.21 | 1.21 |
| 13 | LGF3101-25.13 | Compressionsleeve | 35CrMo | 2.74 | 2.74 |
| 14 | LGF3101-25.14 | Sleeve 1-1/2” | 35CrMo | 0.85 | 0.85 |
| 15 | LGF3101-25.15 | Sleeve 1-5/8” | 35CrMo | 0.95 | 0.95 |
| 16 | LGF3101-25.16.00 | Long sleeve 1-5/16” | Q235A | 7.45 | 7.45 |
Recommended Order List
| No. | Drawing No. | Descriptions | Note | ||
| 1 | LGF3101-05.17.00 | Valve assembly (API 6#) | |||
| 2 | LGF3101-05.17.05 | Valve rubber (API 6#) | |||
| 3 | LGF3101-25.22A | Liner 6-1/2〃 | common | ||
| 4 | LGF3101-25.22A | Liner 6-1/4 | Common | ||
| LGF3101-25.22 | Bi-metal | ||||
| 5 | LGF3101-25.22A | Liner 6 | Common | ||
| LGF3101-25.22 | Bi-metal | ||||
| 6 | LGF3101-25.22A | Liner 5-1/2〃 | Common | ||
| LGF3101-25.22 | Bi-metal | ||||
| 7 | LGF3101-25.22A | Liner 5 | Common | ||
| LGF3101-25.22 | Bi-metal | ||||
| 8 | LGF3101-05.22.19.06.00 | Piston 6-1/2〃and rubber | |||
| 9 | LGF3101-05.22.19.05.00 | Piston 6-1/4〃and rubber | |||
| 10 | LGF3101-05.22.19.04.00 | Piston 6〃 and rubber | |||
| 11 | LGF3101-05.22.19.03.00 | Piston 5-1/2〃and rubber | |||
| 12 | LGF3101-05.22.19.02.00 | Piston 5〃 and rubber | |||
| 13 | LGF3101-05.21 | Piston rod | |||
| 14 | LGF3101-04.09 | Pony rod | |||
| 15 | LGF3101-05.18.00 | Piston nut | |||
| 16 | LGF3101-05.04 | Liner seals | |||
| 17 | LGF3101-05.09 | Valve pot cover seals | |||
| 18 | LGF3101-05.20 | Piston seals | For piston | ||
| 19 | LGF3101-04.18 | Double-lip oil seal 4.5〃x5.5〃x0.5〃 | For pony rod | ||
| 20 | LGF3101-27.03.00 | Air bladder | For KB-75 air dampener | ||
| 21 | LGF3101-28.11 | Shear pin | For shear pin safety valve | ||
| 22 | LGF3101-28.03.00 | Piston assembly | For shear pin safety valve | ||
| No. | Drawing No. | Descriptions | Copies | Page | |
| 1 | LGF3101-00 | LGF-1000 drilling pump | 1 | 4 | |
| 2 | LGF3101-05.00 | Fluid end assembly | 1 | 2 | |
| 3 | LGF3101-27.00 | KB-75 pulsation dampener | 1 | 1 | |
| 4 | LGF3101-28.00 | JA-3 shear pin safety valve | 1 | 1 | |
List of Spare Parts
| No. | Part No. | Descriptions | Unitweight | Totalweight |
| 1 | GB/T3452.1-1992 | O seal ring 0175×03.55 | ||
| 2 | GB/T3452.1-1992 | O seal ring 0140×07 | ||
| 3 | GB/T3452.1-1992 | O seal ring 0975×03 55 | ||
| 4 | GB/T3452.1-1992 | O seal ring 0185×07 | ||
| 5 | GB/T3452.1-1992 | O seal ring 0345×07 | ||
| 6 | GB/T3452.1-1992 | O seal ring 0115×05.3 | ||
| 7 | GB/T3452.1-1992 | O seal ring 0165×07.0 | ||
| 8 | LGF3101-03.08 | Oil seal 8.5^x10.5^x0.625″ | 0.6 | 1.2 |
| 9 | LGF3101-04.06 | Oil seal ring | 0.1 | 0.3 |
| 10 | LGF3101-04.18 | Double-lip oil seal 4.5〃x5.5〃x0. 5〃 | 0.1 | 0.6 |
| 11 | LGF3101-05.04 | Liner seals | 0.32 | 1.92 |
| 12 | LGF3101-05.09 | Valve pot cover seals | 0.1 | 0.3 |
| 13 | LGF3101-05.17.05 | Valve rubber (API6#) | 0.25 | 1.5 |
| 14 | LGF3101-05.19.06.02.00 | Piston rubber 6-1/2〃 | 1 | 3 |
| 15 | LGF3101-05.20 | Piston seals | 0.001 | 0.003 |
| 16 | LGF3101-05.29.01 | Air bladder (suction ) | 4 | 4 |
| 17 | LGF3101-09 | Seal gasket (back cover watch hole) | 0.15 | 0.3 |
| 18 | LGF3101-22.06 | Gasket ring R27 | 0.45 | 0.9 |
| 19 | LGF3101-23 | Gasket ring R44 | 0.8 | 2.4 |
| 20 | LGF3101-27.01 | Gasket ring R39 | 0.65 | 0.65 |
| 21 | LGF3101-27.03.00 | Air bladder (discharge) | 11 | 11 |
| 22 | LGF3101-28.03.00 | Piston assembly | 0.057 | 0.057 |
| 23 | LGF3101-28.06 | Cushion gasket | 0.1 | 0.1 |
| 24 | LGF3101-28.11 | Shear pin | 0.022 | 0.22 |
Field Fault Repair Cases
Case 1: Worn Liner & Sealing Leakage
Fault Symptom: High-pressure mud leakage at the fluid end liner, reduced pumping efficiency, and inconsistent discharge pressure.
Root Cause: Premature wear of 6-1/2″ bi-metal liner and liner seals, leading to loss of sealing integrity.
Repair Solution: Use the liner plug puller and hydraulic valve puller to safely remove the old liner; replace with a new 6-1/2″ liner and matching liner seals from the annual parts kit. Leakage was eliminated, and pumping efficiency returned to full OEM capacity.
Case 2: Shear Pin Failure & Safety Valve Malfunction
Fault Symptom: Sudden pump shutdown, safety valve activation failure, and risk of overpressurization in the fluid end.
Root Cause: Fatigue fracture of shear pins in the JA-3 shear pin safety valve, preventing pressure relief.
Repair Solution: Replace damaged shear pins and piston assembly from the spare parts list; recalibrate the safety valve. Normal pressure control was restored, and the pump resumed safe operation within 30 minutes.
Case 3: Worn Valve Rubber & Flow Reversal
Fault Symptom: Erratic suction/discharge flow, unusual clicking noises, and reduced mud output volume.
Root Cause: Degraded API 6# valve rubber causing improper valve seating and fluid backflow.
Repair Solution: Use the valve stem guide handling tool to remove old valve assemblies; replace valve rubbers and reinstall valves. Flow stability was restored, and no further flow reversal occurred during continuous operation.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts and tools 100% compatible with standard LGF-1000 mud pumps? | Yes, all components and tools are engineered to OEM dimensional and performance standards, ensuring direct fitment with LGF-1000 triplex mud pumps without modifications. |
| Is the annual recommended parts quantity sufficient for 12 months of operation? | Yes, the quantity is calculated based on average wear rates in standard drilling conditions; it covers all routine replacements for a full year of continuous operation, with extra spares for unexpected wear. |
| Can I purchase individual tools or parts instead of the full annual kit? | Absolutely, every special tool, recommended part, and spare component is available for separate purchase with matching drawing numbers for targeted procurement and partial replacements. |
Procurement Guidance
Investing in this LGF-1000 mud pump one-year recommended parts and special tools kit eliminates the hassle of fragmented part sourcing, reduces field maintenance labor costs, and drastically cuts unplanned downtime that disrupts drilling schedules. Each component and tool undergoes strict quality testing to meet API drilling standards, offering a cost-effective, reliable alternative to OEM-sourced items with consistent performance and perfect compatibility.
