Product Introduction
This full CSF-500 lubrication assembly parts set includes every essential component for a complete lubrication system rebuild or targeted part replacement, featuring OEM-matched dimensional tolerances (±0.01mm), industrial-grade wear-resistant materials, and strict quality control protocols. All parts are manufactured to replicate the performance of original equipment, eliminating compatibility issues and ensuring seamless integration with CSF-500 mud pump lubrication circuits. From gear pumps and manifolds to copper tubing, connectors, and fasteners, this kit covers all wear-prone and critical components of the lubrication system, offering a one-stop sourcing solution for drilling teams worldwide.
Functional Description
- Pressurized Lubricant Delivery: The oil pump gear assembly and 2S oil pump generate consistent lubricant flow, maintaining rated system pressure (0–1.6MPa) to ensure every friction point receives adequate lubrication, even under high-load pump operation.
- Circuit Distribution & Control: Manifolds (I/II), connectors, and elbows route lubricant to targeted components, while the relief valve regulates system pressure to prevent overpressurization and component damage.
- Contamination Protection: The oil filter assembly removes abrasive particles and impurities from lubricant, preventing wear on precision gears and bearings and extending fluid service life.
- Pressure Monitoring: The M14x1.5 pressure gauge provides real-time lubrication pressure readings, enabling technicians to spot system faults before catastrophic failure occurs.
- Secure Sealing & Fastening: Copper washers, locking washers, and precision fasteners create leak-proof connections, eliminating lubricant loss and maintaining consistent circuit pressure.
Maintenance & Care Recommendations
Follow these industry-standard maintenance protocols to maximize the lifespan of CSF-500 lubrication parts and sustain optimal system performance:
- Daily Inspection: Check the pressure gauge for stable readings; inspect tubing and connectors for lubricant leaks, cracks, or loose fasteners.
- Weekly Maintenance: Clean the oil filter assembly to remove debris buildup; verify oil pump gear operation for unusual noise or vibration.
- Monthly Service: Tighten all bolts and cap screws to recommended torque specs; replace worn copper washers and locking washers to prevent leaks.
- Quarterly Overhaul: Inspect the relief valve for proper pressure regulation; flush the lubrication circuit to remove sludge; replace clogged or damaged tubing assemblies.
- Long-Term Storage: Drain old lubricant, coat metal components with anti-corrosion oil, and seal all openings to block dust and moisture contamination.
- We supply the following spare parts:
| CSF-500 Lubrication Assembly | ||
| Item No. | Description | Part No. |
| 1 | Key 3/16×3/16×1 | T516-2001 |
| 2 | Oil pump gear Assy | CS33001-06.20A.00 |
| 3 | Connector elbow NPT1/4xPT3/8 | T511-3002 |
| 4 | Bolt A12 | GB5650-85 |
| 5 | Cap screw M8x40 | GB70-85 |
| 6 | Connector A16 | JB/ZQ4410-86 |
| 7 | Connector AB | JB/ZQ4410-86 |
| 8 | Connector elbow NPT1/4xNPT1/4 | T511-3001 |
| 9 | Copper Tbg Assy Ø8×305 | 6B1527-87 |
| 10 | Connector A8 | JB/ZQ4408-86 |
| 11 | Manifold（II） | CS33001-06.40 |
| 12 | Connector A16 | JB/ZQ4408-86 |
| 13 | Copper Tbg Assy Ø16×686 | GB1527-87 |
| 14 | Copper Tbg Assy Ø16×686 | GB1527-87 |
| 15 | Tbg clamp（IV） | CS33001-06.35.00 |
| 16 | Connector 45° | CS33001-06A.10 |
| 17 | Copper Tbg Assy Ø10×838 | GB1527-87 |
| 18 | Copper Tbg Assy Ø12×305 | GB1527-87 |
| 19 | Tbg clamp Ø8 | CS33001-06.13.00 |
| 20 | Copper Tbg Assy Ø8×762 | GB1527-87 |
| 21 | Copper Tbg Assy Ø8×508 | GB1527-87 |
| 22 | Copper Tbg Assy Ø8×229 | GB1527-87 |
| 23 | Pipe plug NPT1/4″ | T56-1002 |
| 24 | Copper Tbg Assy Ø8×915 | GB1527-87 |
| 25 | Copper Tbg Assy Ø8×1194 | GB1527-87 |
| 26 | Copper Tbg Assy Ø8×1016 | GB1527-87 |
| 27 | Manifold（I） | CS33001-06A.11 |
| 28 | Connector A10 | JB/ZQ4408-86 |
| 29 | Tbg clamp〈I〉 | CS33001-06.01.00 |
| 30 | Washer A12 | GB5651-85 |
| 31 | Bolt M6x12 | GB5781-86 |
| 32 | Oil jet | CS33001-06.10 |
| 33 | Copper Tbg Assy Ø12×610 | GB1527-87 |
| 34 | Copper Tbg Assy Ø8×813 | GB1527-87 |
| 35 | Connector A8 | GB5628.1.85 |
| 36 | Tbg clamp-double Ø8 | CS33001-06.04.00 |
| 37 | Copper Tbg Assy Ø10×1956 | GB1527-87 |
| 38 | Copper Tbg Assy Ø8×1956 | GB1527-87 |
| 39 | Copper Tbg Assy Ø8×2311 | GB1527-87 |
| 40 | Copper Tbg Assy Ø8×1600 | GB1527-87 |
| 41 | Copper Tbg Assy Ø8×1245 | GB1527-87 |
| 42 | Connector NPT1/4×1/4×1.5 | T513-1006 |
| 43 | Copper washer 14 | T514-1001 |
| 44 | Shim set | CS33001-06.06.00 |
| 45 | Oil pump Mtg plate | CS33001-06.19A |
| 46 | Connector A10 | GB5628.1-85 |
| 47 | Locking washer 8 | GB93-87 |
| 48 | Relief valve | YYFJ-L20 |
| 49 | Locking washer 6 | GB93-87 |
| 50 | Oil pump, 2S | |
| 51 | Pressure gauge, M14x1.5 0-1.6MPa | Y-60Z |
| 52 | Connector A12 | JB/ZQ440B-86 |
| 53 | Oil filter Assy | CS33001-06A.33.00 |
| 54 | Loctite | 609 or 680 |
On-Site Fault Repair Cases
Case 1: Low Lubrication Pressure & Gear Wear
Fault Symptom: Pressure gauge reads below 0.4MPa, unusual grinding noise from pump gears, and visible wear on gear surfaces.
Root Cause: Worn oil pump gear assembly (CS33001-06.20A.00) and clogged oil filter (CS33001-06A.33.00) restricting lubricant flow.
Repair Solution: Replace the oil pump gear assembly and oil filter; flush the entire lubrication circuit and refill with clean gear oil. Post-repair, system pressure stabilized at 1.0MPa, and gear noise was eliminated.
Case 2: Lubricant Leakage at Connector Joints
Fault Symptom: Persistent lubricant leaks at NPT1/4 elbow connectors, gradual pressure drop, and insufficient lubrication to crosshead bearings.
Root Cause: Damaged copper washers (T514-1001) and worn elbow connectors (T511-3001) failing to seal threaded joints.
Repair Solution: Replace faulty elbow connectors and copper washers; re-torque connector fasteners to standard specs. Leakage was fully resolved, and system pressure remained consistent during 500+ hours of operation.
Case 3: Relief Valve Malfunction & Overpressurization
Fault Symptom: Pressure gauge spikes above 1.6MPa, tubing cracks, and lubricant blowout at manifold connections.
Root Cause: Faulty relief valve (YYFJ-L20) unable to regulate excess system pressure, leading to circuit overloading.
Repair Solution: Replace the relief valve and damaged copper tubing assemblies; calibrate system pressure to OEM settings. Overpressurization issues were resolved, and no further tubing failures occurred.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these lubrication parts fully compatible with original CSF-500 mud pumps? | Yes, all parts are manufactured to OEM dimensional and material standards, ensuring direct fitment with Sichuan Petroleum CSF-500 mud pumps without any modifications. |
| What is the typical service life of these lubrication components? | Structural parts (manifolds, mounting plates) last 2–3 years under normal use; wearable parts (tubing, filters, washers) last 8–12 months, depending on maintenance frequency and drilling conditions. |
| Can I buy individual parts instead of the full lubrication assembly kit? | Absolutely, every component (oil pump, connectors, tubing, etc.) is available for separate purchase with matching part numbers, allowing targeted replacement of damaged parts. |
Procurement Guidance
Investing in these CSF-500 mud pump lubrication assembly parts ensures your drilling rig maintains peak reliability, minimizes costly unplanned downtime, and reduces long-term equipment maintenance costs. Each component is rigorously tested to meet industry quality standards, delivering consistent performance in harsh drilling environments and serving as a trusted alternative to OEM parts with competitive pricing.
