Product Introduction
This full HHF-2400 lubrication system parts collection includes the main lubrication assembly and dedicated lubrication pipeline sub-assembly, featuring heavy-duty gear pumps, explosion-proof motors, panel coolers, filtration units, precision hoses, joints, and monitoring instruments. Every component is engineered to directly replace original factory parts, eliminating compatibility issues and ensuring seamless integration with the HHF-2400 mud pump’s power end lubrication circuit. Designed for scheduled preventive maintenance, emergency leak repairs, and full system overhauls, this kit provides a one-stop sourcing solution for durable, high-performance lubrication components built for continuous drilling operation.
Functional Description
- Forced Oil Circulation: High-efficiency gear pumps and EXP motors deliver pressurized lubricating oil to all critical power end components, ensuring consistent oil flow even under extreme vibration and load.
- Oil Cooling & Temperature Control: Panel coolers dissipate heat from circulating oil, maintaining optimal oil viscosity and preventing thermal degradation that reduces lubrication effectiveness.
- Contamination Filtration: Suction and return-line filters remove abrasive metal shavings and debris from oil, protecting precision components from scratch damage and extending oil service life.
- Pressure & Flow Regulation: Safety valves and ball valves stabilize system pressure, preventing overpressure damage and enabling precise flow adjustment for targeted lubrication zones.
- Real-Time Monitoring: Shockproof pressure gauges and explosion-proof transmitters provide live oil pressure and temperature readings, enabling early detection of system anomalies.
- Leak-Proof Distribution: Precision hoses, snap-on joints, and distribution valve blocks route oil to lubrication points with zero leakage, ensuring full coverage of bearings and gears.
Maintenance & Care Recommendations
Follow these industry-standard maintenance protocols to maximize lubrication system lifespan and ensure consistent performance:
- Daily Inspection: Check oil pressure gauges for stable readings (0.2–1.6MPa), inspect hoses and joints for oil leaks, and verify oil level indicators are within the recommended range.
- Weekly Maintenance: Clean filter housings, tighten all fasteners to specified torque values, and inspect cooler fins for dust/mud buildup.
- Monthly Service: Replace filter elements (TZX2/1000x80W), inspect hoses for cracks or wear, and test safety valve functionality to prevent overpressure.
- Quarterly Overhaul: Flush the entire lubrication system to remove sediment, replace worn seals and gaskets, calibrate pressure transmitters, and lubricate valve block moving parts.
- Long-Term Storage: Drain all lubricating oil, coat internal components with anti-corrosive oil, and seal all openings to prevent dust and moisture contamination.
We supply the following spare parts:
| Lubrication system assembly NB005.05.00 | ||
| No. | Description | Drawing No. (code) |
| 1 | Bolt M12x25 | GB/T5783 |
| 2 | Washer 12 | GB/T97.1 |
| 3 | Washer 12 | GB/T93 |
| 4 | Oil suction filter | WU-800x500G-J |
| 5 | Air filter | EF3-40 |
| 6 | Cover plate, oil suction pipe | RH11136-010000050 |
| 7 | Seat ring, oil suction port | NB005.07.01.22 |
| 8 | Flexible joint DN65 | JB/T7339 |
| 9 | Bolt M16x30 | GB/T 5781 |
| 10 | Pump oil suction pipeline | |
| 11 | Gear pump | R45/125-FL-Z-W-SAE2 1/2-R-SO |
| 12 | EXP motor | NEX284TC-6-15HP (600V/60Hz, NEMA certification) |
| 13 | Oil outlet pipe, cooler | |
| 14 | Bracket | RH11136-020000000 |
| 15 | Oil inlet pipe, cooler | |
| 16 | Panel cooler | HEX S522-70-00/G1 1/2 |
| 17 | Oil outlet pipe, filter | |
| 18 | Filter (with bypass) | WUI-A1000x80FP |
| (model of filter element for this | ||
| filter: TZX2/1000x80W) | ||
| 19 | Ball valve DN40 | Q11F-16P-DN40 |
| 20 | Oil inlet pipe, filter | |
| 21 | Safety valve DN40 | AF-E40/1.2 |
| 22 | Bolt M16x65 | GB/T5780 |
| 23 | Nut M16 | GB/T6170 |
| 24 | Washer 16 | GB/T971 |
| 25 | Washer 16 | GB/T93 |
| 26 | Hose assembly | 38I-1050 (M52x2 24° cone seal) |
| 27 | Air filter | EF5-65 |
| 28 | Square cover plate assembly | 140357-010000000 |
| 29 | EXP temperature transmitter | 7MC7511-1CA12-0CB1-Z T21 E01 Y44:250mm |
| Lubrication system pipeline | ||
| No. | Description | Drawing No. (code) |
| 1 | Hose assembly 25 I -3200, thread M36x2 | JB/T6142.1 |
| 2 | Hose assembly 13 I -3200, thread M22x1.5 | JB/T6142.2 |
| 3 | Hose assembly 19 I -1500, thread M30x2 | JB/T6142.2 |
| 4 | Hose assembly 13 I-1600, thread M22x 1.5 | JB/T6142.3 |
| 5 | Straight snap on joint M30x2-R3/4^14 | 1CT-30-12SP/RN-SS |
| 6 | B3 type nozzle R1/4 | 1/4PZ5900B3 |
| 7 | Finely-drawn steel tube Φ14×2 L=150 | GB/T14976 |
| 8 | G thread connecting base G1/4 | |
| 9 | Straight bulkhead joint M22x1.5 | 6C-22-LN/RNSS |
| 10 | Straight pipe joint M22x1.5 | 6C-22-RNSS |
| 11 | Straight joint M36x2-M33x2 | 1CH-36-33SS |
| 12 | Combination washer 33 | JB/T982 |
| 13 | Pressure test hose | HFH2-P1-3-P-3000 |
| 14 | Pressure test hose | HFH2-P1-3-P-2000 |
| 15 | Hose assembly 10 I -240, thread M22x 1.5 | JB/T6142.1 |
| 16 | Hose assembly 10 I-470, thread M22x 1.5 | JB/T6142.1 |
| 17 | Crossover sub NPT1/2-M22x1.5 | 1CN-22-08LASS |
| 18 | Snap on joint | 1CN-22-08SS |
| 19 | Straight snap on joint M22x1.5-M22x 1.5 | 1CH-22SS |
| 20 | Combination washer 22 | JB/T982 |
| 21 | Combination washer 42 | JB/T982 |
| 22 | Straight joint M36x2-M42x2 | 1CH-36-42SS |
| 23 | Oil distribution valve block | |
| 24 | Plug screw G1/4A | JB/ZQ4444 |
| 25 | Shockproof pressure gauge 0-1.6MPa | YQFN-60Z |
| 26 | Combination washer 14 | JB/T982 |
| 27 | Pressure gauge joint M14x1.5 | 5CB-14-14GDKSS |
| 28 | 90° elbow M52x2 | 2C9-52SS |
| 29 | Straight snap on joint M52x2-M42x2 | 1CH-52-42SS |
| 30 | EXP pressure transmitter | MBS 4701 0-2.5MPa |
| 31 | Straight snap on joint M30x2-M22x2 | 1CH-30-22SS |
| 32 | Mounting plate, oil distribution valve block | |
| 33 | Mounting liner plate, oil distribution valve block | |
| 34 | Screw M8^16 | GB/T70.1 |
| 35 | Straight snap on joint M16x1.5-M14x 1.5 | 1CH-16-14SS |
| 36 | Hose assembly 13 1-600, thread M22^1.5 | JB/T6142.1 |
| 37 | Hose assembly 8 I -370, thread M16^1.5 | JB/T6142.1 |
| 38 | Plug screw M14x1.5 | JB/ZQ4444 |
| 39 | Hose assembly 13 I-470, thread M22x 1.5 | JB/T6142.1 |
| 40 | Hose assembly 25 I-420, thread M36x2 | JB/T6142.1 |
| 41 | Hose assembly 13 I-430, thread M22x 1.5 | JB/T6142.1 |
| 42 | Hose assembly 13 I-370, thread M22x 1.5 | JB/T6142.1 |
| 43 | Thin oil distributor | |
| 44 | Hose assembly 13 I-450, thread M22x1.5 | JB/T6142.1 |
| 45 | Tie rod lubrication pipeline | |
| 46 | Hose assembly 8 I-560, thread M16x 1.5 | JB/T6142.1 |
| 47 | Hose assembly 13 I-650, thread M22x1.5 | JB/T6142.1 |
| 48 | Combination washer 20 | JB/T982 |
| 49 | Straight snap on joint M22x1.5-M20x 1.5 | 1CH-22-20SS |
| 50 | Pressure test joint | PT-3 |
| 51 | Instrument mounting plate | |
| 52 | Shockproof pressure gauge 0-1.6MPa | YQFN-60T |
| 53 | Hose assembly 13 I-1500, thread M52x12 | JB/T6142.1 |
Field Fault Repair Cases
Case 1: Low Oil Pressure & Insufficient Lubrication
Fault Symptom: Oil pressure drops below 0.2MPa, with abnormal noise from power end bearings and uneven lubrication coverage.
Root Cause: Clogged WU-800x500G-J oil suction filter and worn gear pump internals reducing oil flow rate.
Repair Solution: Replace the clogged suction filter element and worn gear pump, flush the lubrication circuit, and bleed air from the system. Normal operating pressure was fully restored.
Case 2: Oil Leakage at Hose Joints
Fault Symptom: Persistent oil leakage from snap-on hose joints, leading to falling oil levels and increased friction risk.
Root Cause: Damaged combination washers and loose threaded joints failing to maintain a tight seal under vibration.
Repair Solution: Replace worn combination washers, re-tighten all hose joints to OEM torque specs, and install new snap-on joints as needed. Leakage was eliminated, and oil levels stabilized.
Case 3: Oil Overheating & Viscosity Degradation
Fault Symptom: Lubricating oil temperature exceeds 70°C, thinning oil viscosity and reducing wear protection for bearings and gears.
Root Cause: Fouled HEX S522-70 panel cooler fins and blocked oil inlet/outlet pipes restricting heat dissipation.
Repair Solution: Clean the cooler fins thoroughly, flush blocked pipelines, and replace worn hoses. Oil temperature returned to the ideal 40–60°C operating range.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these lubrication system parts fully compatible with original Honghua HHF-2400 mud pumps? | Yes, all components are manufactured to OEM dimensional, material, and pressure-rated standards, ensuring direct fitment with HHF-2400 lubrication systems without modifications. |
| What type of lubricating oil is recommended for this system? | We recommend high-viscosity anti-wear gear oil meeting ISO VG 320 standards, compatible with the system’s forced circulation and cooling design for optimal wear protection. |
| Can I purchase individual lubrication components instead of the full kit? | Absolutely, every part (gear pump, cooler, filters, hoses, joints, gauges, etc.) is available for separate purchase with matching drawing numbers for targeted repairs and partial replacements. |
Procurement Guidance
Investing in these Honghua HHF-2400 mud pump lubrication system parts ensures reliable forced lubrication for your pump’s critical power end components, eliminates friction-related failures, and minimizes costly unplanned downtime from overheating and contamination. Each component undergoes strict pressure and leakage testing to meet API 7K drilling standards, delivering consistent performance in harsh drilling environments and serving as a cost-effective, high-quality alternative to OEM parts.
